3103 Eger (1982 BB)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3541833241 ± 2.00e+00
Semi-major axis (a)1.4039472551 AU ± 3.00e+00
Inclination (i)20.93071887° ± 4.00e+00
Long. of Asc. Node (Ω)129.73173744° ± 5.00e+00
Arg. of Perihelion (ω)254.10494834° ± 6.00e+00
Mean Anomaly (M)181.12184640° ± 8.33e-05
Mean Motion (n)0.5924969077°/day ± 1.90e+00
Perihelion dist (q)0.90669255 AU ± 3.41e+00
Aphelion dist (Q)1.90120196 AU ± 4.94e+00
Orbital Period1.66351296 yr ± 5.33e+00
NGA Modelr2
A24.86502687e-06 AU/d²
Physical Parameters
H (abs. magnitude)15.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.341″
Uncertainty0
Orbit TypeApollo
MOID0.078006 AU
Observations Used7901
Radar Obs Used4
Gaia Obs Used108
Oppositions14
Arc Total1982-2017
First Observation Used1982-02-02
Last Observation Used2026-04-05
Observations (11858)
Date Type RA Dec Mag Band Observatory
2022-02-19 01:43:51 S 10 33 55.709 +30 23 05.50 V C57
2022-02-19 01:53:51 S 10 33 54.974 +30 23 19.14 V C57
2022-02-19 02:03:51 S 10 33 54.113 +30 23 31.16 V C57
2022-02-19 02:13:51 S 10 33 53.290 +30 23 42.79 V C57
2022-02-19 02:23:51 S 10 33 52.550 +30 23 55.93 V C57
2022-02-19 02:33:51 S 10 33 51.689 +30 24 07.85 V C57
2022-02-19 02:43:51 S 10 33 50.810 +30 24 19.73 V C57
2022-02-19 02:53:51 S 10 33 50.134 +30 24 33.41 V C57
2022-02-19 03:03:51 S 10 33 49.325 +30 24 45.90 V C57
2022-02-19 03:13:51 S 10 33 48.449 +30 24 57.24 V C57
2022-02-19 03:23:51 S 10 33 47.698 +30 25 09.91 V C57
2022-02-19 03:33:51 S 10 33 46.879 +30 25 22.04 V C57
2022-02-19 03:43:51 S 10 33 46.003 +30 25 34.14 V C57
2022-02-19 03:53:51 S 10 33 45.288 +30 25 47.50 V C57
2022-02-19 04:03:51 S 10 33 44.489 +30 26 00.06 V C57
2022-02-19 04:13:51 S 10 33 43.678 +30 26 11.58 V C57
2022-02-19 04:23:51 S 10 33 42.852 +30 26 24.58 V C57
2022-02-19 04:33:51 S 10 33 42.029 +30 26 36.82 V C57
2022-02-19 04:43:51 S 10 33 41.198 +30 26 48.37 V C57
2022-02-19 04:53:51 S 10 33 40.426 +30 27 01.26 V C57
2022-02-19 05:03:51 S 10 33 39.617 +30 27 13.79 V C57
2022-02-19 05:13:51 S 10 33 38.820 +30 27 25.06 V C57
2022-02-19 05:23:51 S 10 33 37.994 +30 27 37.62 V C57
2022-02-19 05:33:51 S 10 33 37.164 +30 27 50.72 V C57
2022-02-19 05:43:51 S 10 33 36.384 +30 28 01.85 V C57
2022-02-19 05:53:51 S 10 33 35.594 +30 28 13.94 V C57
2022-02-19 06:03:51 S 10 33 34.747 +30 28 27.73 V C57
2022-02-19 06:13:51 S 10 33 33.996 +30 28 39.25 V C57
2022-02-19 06:23:51 S 10 33 33.101 +30 28 50.99 V C57
2022-02-19 06:23:51 s 1 -10118.303 0 +381214.98 1700.0 C57
2022-02-19 06:33:51 S 10 33 32.306 +30 29 04.34 V C57
2022-02-19 06:33:51 s 1 -10507.575 0 +381179.16 1010.0 C57
2022-02-19 06:43:51 S 10 33 31.442 +30 29 16.30 V C57
2022-02-19 06:43:51 s 1 -10896.819 0 +381142.34 9850.0 C57
2022-02-19 06:53:51 S 10 33 30.708 +30 29 27.31 V C57
2022-02-19 06:53:51 s 1 -11286.034 0 +381104.54 8210.0 C57
2022-02-19 07:03:51 S 10 33 29.921 +30 29 41.46 V C57
2022-02-19 07:03:51 s 1 -11675.219 0 +381065.75 6070.0 C57
2022-02-19 07:13:51 S 10 33 29.088 +30 29 53.77 V C57
2022-02-19 07:13:51 s 1 -12064.373 0 +381025.97 3450.0 C57
2022-02-19 07:23:51 S 10 33 28.270 +30 30 05.00 V C57
2022-02-19 07:23:51 s 1 -12453.495 0 +380985.20 320.0 C57
2022-02-19 07:33:51 S 10 33 27.475 +30 30 18.43 V C57
2022-02-19 07:33:51 s 1 -12842.584 0 +380943.45 6700.0 C57
2022-02-19 07:43:51 S 10 33 26.633 +30 30 30.10 V C57
2022-02-19 07:43:51 s 1 -13231.639 0 +380900.70 2570.0 C57
2022-02-19 07:53:51 S 10 33 25.841 +30 30 41.22 V C57
2022-02-19 07:53:51 s 1 -13620.658 0 +380856.97 7930.0 C57
2022-02-19 08:03:51 S 10 33 25.042 +30 30 54.65 V C57
2022-02-19 08:03:51 s 1 -14009.642 0 +380812.25 2770.0 C57
Radar Observations (8)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1986-07-18 07:50:00 202602 6 Hz 2380 -1 -1
1986-07-18.326389 20260200 600 Hz 2380 251 251
1996-07-29 09:10:00 469654 5 Hz 8510 -14 -14
1996-07-29 13:00:00 133166634 10 us 8510 -14 -14
1996-07-29.381944 46965400 500 Hz 8510 253 253
1996-07-29.541667 13316663400 10000 us 8510 253 253
1996-07-30 10:50:00 410012.2 5 Hz 8510 -14 -14
1996-07-30.451389 41001220 500 Hz 8510 253 253
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)