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
2022-03-03 07:45:17 C 10 11 28.55 +35 01 42.3 V 703
2022-03-03 07:53:27 C 10 11 28.01 +35 01 47.9 V 703
2022-03-03 08:01:04 C 10 11 27.56 +35 01 53.4 V 703
2022-03-03 19:04:18 C 10 10 44.906 +35 09 18.45 W N86
2022-03-03 19:04:18 C 10 10 44.690 +35 09 20.86 W N86
2022-03-03 19:16:42 C 10 10 44.068 +35 09 26.49 W N86
2022-03-03 19:16:42 C 10 10 43.856 +35 09 28.89 W N86
2022-03-03 19:29:11 C 10 10 43.220 +35 09 34.84 W N86
2022-03-03 19:29:11 C 10 10 43.008 +35 09 37.22 W N86
2022-03-03 19:41:38 C 10 10 42.442 +35 09 43.23 W N86
2022-03-03 19:41:38 C 10 10 42.237 +35 09 45.54 W N86
2022-03-03 21:47:40 C 10 10 35.06 +35 11 04.9 V L65
2022-03-03 22:01:48 C 10 10 34.12 +35 11 14.3 V L65
2022-03-03 22:13:34 C 10 10 33.34 +35 11 22.1 V L65
2022-03-04 13:43:43 C 10 09 33.97 +35 21 28.6 V T05
2022-03-04 13:47:57 C 10 09 33.71 +35 21 31.0 V T05
2022-03-04 14:15:34 C 10 09 31.94 +35 21 47.6 V T05
2022-03-05 08:54:03 C 10 08 24.41 +35 33 23.0 V T08
2022-03-05 08:58:43 C 10 08 24.11 +35 33 25.8 V T08
2022-03-05 09:02:45 C 10 08 23.85 +35 33 28.2 V T08
2022-03-05 09:53:32 C 10 08 20.56 +35 33 58.9 V T08
2022-03-05 10:51:46 C 10 08 16.80 +35 34 33.3 V T05
2022-03-05 10:56:42 C 10 08 16.48 +35 34 36.2 V T05
2022-03-05 11:07:48 C 10 08 15.77 +35 34 42.7 V T05
2022-03-05 11:25:21 C 10 08 14.64 +35 34 53.0 V T05
2022-03-06 08:53:47 C 10 06 58.65 +35 47 21.0 V T08
2022-03-06 08:57:54 C 10 06 58.39 +35 47 23.5 V T08
2022-03-06 09:02:30 C 10 06 58.10 +35 47 26.1 V T08
2022-03-06 09:53:15 C 10 06 54.92 +35 47 54.7 V T08
2022-03-07 07:49:14 C 10 05 39.80 +35 59 48.6 V T08
2022-03-07 07:55:52 C 10 05 39.40 +35 59 52.0 V T08
2022-03-07 08:05:51 C 10 05 38.79 +35 59 57.6 V T08
2022-03-07 08:20:27 C 10 05 37.92 +36 00 05.3 V T08
2022-03-08 07:39:36 C 10 04 19.91 +36 11 50.7 V 703
2022-03-08 07:47:31 C 10 04 19.43 +36 11 54.5 V 703
2022-03-08 07:55:19 C 10 04 18.99 +36 11 58.1 V 703
2022-03-08 08:03:02 C 10 04 18.54 +36 12 01.8 V 703
2022-03-08 09:36:20 C 10 04 13.80 +36 12 50.2 V T05
2022-03-08 10:27:49 C 10 04 10.80 +36 13 14.9 V T05
2022-03-08 10:32:01 C 10 04 10.56 +36 13 16.9 V T05
2022-03-08 11:08:47 C 10 04 08.44 +36 13 34.4 V T05
2022-03-08 20:05:03 C 10 03 40.50 +36 17 43.2 V K74
2022-03-08 20:08:17 C 10 03 40.31 +36 17 44.5 V K74
2022-03-08 20:11:31 C 10 03 40.15 +36 17 46.3 V K74
2022-03-08 20:13:08 C 10 03 40.06 +36 17 46.9 V K74
2022-03-08 20:16:22 C 10 03 39.86 +36 17 48.4 V K74
2022-03-09 10:31:07 C 10 02 54.43 +36 24 26.5 V T08
2022-03-09 10:35:44 C 10 02 54.16 +36 24 28.4 V T08
2022-03-09 11:26:59 C 10 02 51.33 +36 24 50.5 V T08
2022-03-09 21:26:13 C 10 02 21.28 +36 29 08.0 V K74
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)