Laser | ns | ps | ns | ps |
Passes | 25 | 90 | 33 | 230 |
Avg. returns | 597 | 321 | 860 | 548 |
Avg. pass RMS [cm] | 24.98 | 2.16 | 22.97 | 2.60 |
Avg. RB [m] | 30.88 | 24.95 | −30.95 | −24.79 |
Avg. TB [ms] | −117.65 | −120.01 | 6.78 | 3.34 |
1 | sc1-1 | 519.72 | 1.2512 | 137 | 3.99 |
2 | sc1-2 | 519.50 | 0.9371 | 1066 | 4.85 |
3 | sc1-3 | 517.37 | 0.9515 | 1362 | 5.03 |
4 | sc1-4 | 486.99 | 0.9245 | 1402 | 11.50 |
5 | sc1-5 | 495.13 | 0.9658 | 897 | 12.85 |
6 | sc1-6 | 523.72 | 0.9571 | 313 | 2.49 |
7 | sc1-7 | 648.47 | 0.5640 | 1900 | 5.53 |
8 | sc2-1 | 519.72 | 1.2513 | 137 | 3.93 |
9 | sc2-2 | 251.68 | 0.8691 | 1066 | 5.02 |
10 | sc2-3 | 356.22 | 0.7911 | 1362 | 5.01 |
11 | sc2-4 | 335.00 | 0.8601 | 1402 | 15.33 |
12 | sc2-5 | 495.10 | 0.9657 | 897 | 11.95 |
13 | sc2-6 | 341.95 | 0.7307 | 313 | 2.46 |
14 | sc2-7 | 453.61 | 0.3691 | 1900 | 5.53 |
15 | sc3-1 | 519.72 | 1.2512 | 137 | 3.99 |
16 | sc3-2 | 15.70 | 0.1132 | 1203 | 6.19 |
17 | sc3-3 | 1.39 | 0.0112 | 2565 | 110.55 |
18 | sc3-4 | 0.56 | 0.0041 | 3967 | 374.04 |
19 | sc3-5 | 495.13 | 0.9658 | 897 | 12.85 |
20 | sc3-6 | 41.84 | 0.1580 | 1210 | 14.45 |
21 | sc3-7 | 2.02 | 0.0073 | 3110 | 131.05 |
1 | 04.18.2018 | 21:19 | 00:38 | 56 | −116.94 | 39.42 | 2.93 |
04.19.2018 | 20:53 | 02:49 | 459 | −129.48 | −14.10 | 2.86 | |
04.20.2018 | 20:28 | 04:41 | 755 | −110.38 | −32.80 | 4.64 | |
04.21.2018 | 20:04 | 04:27 | 869 | −104.93 | 11.28 | 2.61 | |
04.21.2018 | 21:44 | 01:39 | 146 | −106.76 | 28.70 | 1.80 | |
2 | 10.10.2018 | 20:26 | 02:54 | 592 | −137.14 | 102.96 | 2.24 |
10.11.2018 | 20:02 | 05:18 | 305 | −130.51 | 21.83 | 1.89 | |
10.12.2018 | 19:38 | 03:38 | 184 | −121.54 | 10.15 | 2.62 | |
3 | 05.29.2018 | 20:51 | 02:02 | 137 | −18.57 | 41.76 | 3.37 |
05.29.2018 | 22:28 | 05:39 | 1066 | 0.77 | −89.60 | 2.23 | |
05.30.2018 | 22:09 | 05:11 | 1362 | −19.37 | −42.73 | 3.60 | |
05.31.2018 | 21:50 | 07:35 | 1402 | 8.09 | −3.52 | 3.43 | |
4 | 08.01.2018 | 21:05 | 06:38 | 897 | 41.16 | −15.75 | 3.53 |
08.02.2018 | 22:29 | 03:52 | 313 | 23.33 | −17.54 | 1.98 | |
08.03.2018 | 22:10 | 05:12 | 1900 | −23.51 | −10.13 | 4.62 |
Laser | EKSPLA PL-2250 | Continuum Surelite III |
---|---|---|
Stand | Optical table | Optical table |
Pulse width | 60 ps | 3–5 ns |
Repetition rate | 10 Hz | 10 Hz |
Pulse energy | 0.05 J | 0.45 J |
Average power | 0.5 W | 4.5 W |
NORAD | 28480 | 31114 |
COSPAR | 2004-046B | 2007-010B |
Semi-major axis [km] | 7187 | 7207 |
Eccentricity | 0.01447029 | 0.0058965 |
Inclination [deg] | 98.05 | 98.37 |
Height [m] | 8.4 | |
Mass [kg] | 3800 | |
Avg. cross section [m2] | 26.51 |
NORAD | 28480 | 31114 | ||||||
---|---|---|---|---|---|---|---|---|
2017 | 36 | 17,830 | 259 | 8.67 | 56 | 49,335 | 502 | 9.37 |
2018 | 39 | 12,424 | 227 | 2.45 | 116 | 74,287 | 959 | 3.89 |
Earth gravity field: EGM2008 120 × 120 Earth tides: IERS conventions 2003 Ocean tide model: GOT99.2 Third-body gravity: Moon, Sun, and planets: DE403 Solar radiation pressure coefficient: CR = 1.00 (default value) Drag coefficient: CD = 2.3 (default value, one coefficient per 24 h) Tidal constants k2, k3, and phase k2: 0.300, 0.000, 0.093 Earth albedo Dynamic polar motion Relativistic corrections Atmospheric density model: MSIS-86 Tropospheric refraction: Mendes–Pavlis model Measurements: full-rate format from BORL7811 station Laser pulse wavelength: 532 nm Center of mass correction: not used |
Inertial reference frame: J2000.0 Coordinate reference system: true of date defined at 0.0 h of the reference epoch for each satellite Station coordinates: SLRF2014 for epoch 2010.0 Precession and nutation: IAU 2000 Polar motion: C04 IERS Tidal uplift: Love model H2 = 0.609, L2 = 0.0852 Pole tide |
Input state vector (six components + their deviations) determined at the beginning of the orbital arc-both Cartesian and Keplerian elements |
Integration: Cowell’s method Orbit integration step size: 1 s Arc length: from 1 to 4 days (depending on the scenario) |
77,160 | sc1-1 | 3105.67 | 56,194.05 | 210.34 |
75,540 | sc1-2 | 472.38 | 18,206.11 | 138.15 |
76,080 | sc1-3 | 459.26 | 25,574.61 | 753.82 |
76,020 | sc1-4 | 305.54 | 4150.10 | 1016.30 |
77,160 | sc1-5 | 2366.66 | 42,412.72 | 414.71 |
69,000 | sc1-6 | 927.51 | 20,229.23 | 287.22 |
86,400 | sc1-7 | 184.05 | 6558.61 | 676.77 |
69,180 | sc1-8 | 647.79 | 16,555.54 | 1231.71 |
77,160 | sc2-1 | 3100.32 | 56,100.60 | 210.12 |
76,080 | sc2-2 | 1833.24 | 81,233.78 | 3107.26 |
76,440 | sc2-3 | 1304.10 | 39,701.68 | 7863.85 |
76,320 | sc2-4 | 1270.35 | 37,543.63 | 2969.35 |
77,400 | sc2-5 | 2717.97 | 40,404.66 | 605.94 |
69,000 | sc2-6 | 927.51 | 20,229.23 | 287.22 |
75,600 | sc2-7 | 2356.37 | 102,477.05 | 5203.18 |
75,660 | sc2-8 | 1376.67 | 64,128.16 | 8125.32 |
77,100 | sc3-1 | 3095.06 | 56,285.17 | 214.53 |
148,200 | sc3-2 | 418.69 | 15,744.07 | 685.10 |
69,960 | sc3-3 | 222.22 | 7889.42 | 652.46 |
68,940 | sc3-4 | 336.70 | 7815.63 | 853.14 |
63,480 | sc3-5 | 347.78 | 7830.87 | 1106.28 |
69,000 | sc3-6 | 929.04 | 20,281.01 | 292.12 |
68,100 | sc3-7 | 757.92 | 10,287.96 | 943.96 |
63,600 | sc3-8 | 1175.77 | 10,441.24 | 1052.57 |
78,180 | sc1-1 | 112.61 | 4386.70 | 164.48 |
75,780 | sc1-2 | 293.66 | 35,828.80 | 782.60 |
79,500 | sc1-3 | 157.70 | 1525.23 | 610.29 |
75,660 | sc1-4 | 15960.54 | 431,936.22 | 17,428.61 |
76,260 | sc1-5 | 4164.90 | 171,254.88 | 2219.53 |
75,240 | sc1-6 | 158.07 | 7147.91 | 492.29 |
62,880 | sc1-7 | 198.07 | 1214.40 | 955.42 |
83,700 | sc2-1 | 207.15 | 3329.70 | 181.66 |
78,240 | sc2-2 | 202.01 | 3894.75 | 913.07 |
78,360 | sc2-3 | 132.43 | 4515.85 | 780.22 |
75,720 | sc2-4 | 6517.98 | 266,437.84 | 13,800.13 |
76,200 | sc2-5 | 6280.38 | 231,564.70 | 3208.94 |
76,440 | sc2-6 | 542.69 | 20,509.42 | 1561.46 |
57,180 | sc2-7 | 200.46 | 1144.53 | 983.61 |
78,180 | sc3-1 | 112.62 | 4385.22 | 164.49 |
75,120 | sc3-2 | 400.59 | 21,401.25 | 7262.87 |
74,940 | sc3-3 | 254.22 | 11,002.82 | 585.79 |
57,180 | sc3-4 | 2621.07 | 12,134.63 | 586.38 |
76,260 | sc3-5 | 4164.94 | 171,255.84 | 2219.54 |
77,760 | sc3-6 | 803.40 | 14,323.83 | 9480.79 |
70,860 | sc3-7 | 706.13 | 13,450.79 | 805.29 |
1 | sc1-1 | 528.98 | 1.3812 | 56 | 2.69 |
2 | sc1-2 | 503.00 | 1.0179 | 459 | 2.67 |
3 | sc1-3 | 512.91 | 0.9687 | 755 | 5.88 |
4 | sc1-4 | 528.11 | 0.9378 | 869 | 4.04 |
5 | sc1-5 | 547.04 | 1.2799 | 146 | 2.40 |
6 | sc1-6 | 506.83 | 1.0249 | 592 | 2.28 |
7 | sc1-7 | 507.84 | 0.9830 | 305 | 6.29 |
8 | sc1-8 | 527.77 | 0.9595 | 184 | 3.31 |
9 | sc2-1 | 528.98 | 1.3812 | 56 | 2.69 |
10 | sc2-2 | 186.48 | 1.0086 | 459 | 2.66 |
11 | sc2-3 | 242.63 | 0.5520 | 755 | 5.90 |
12 | sc2-4 | 328.32 | 0.7299 | 869 | 4.08 |
13 | sc2-5 | 360.28 | 1.1822 | 146 | 3.12 |
14 | sc2-6 | 506.83 | 1.0249 | 592 | 2.28 |
15 | sc2-7 | 371.21 | 0.8089 | 305 | 5.41 |
16 | sc2-8 | 238.79 | 0.6121 | 184 | 3.34 |
17 | sc3-1 | 528.98 | 1.3812 | 56 | 2.69 |
18 | sc3-2 | 89.78 | 0.5765 | 515 | 2.98 |
19 | sc3-3 | 5.04 | 0.0387 | 1270 | 176.99 |
20 | sc3-4 | 1.18 | 0.0066 | 2139 | 54.52 |
21 | sc3-5 | 0.62 | 0.0026 | 2285 | 94.33 |
22 | sc3-6 | 506.83 | 1.0249 | 592 | 2.28 |
23 | sc3-7 | 23.86 | 0.0943 | 897 | 5.75 |
24 | sc3-8 | 8.08 | 0.0256 | 1081 | 27.30 |