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
2022-03-09 21:29:27 C 10 02 21.11 +36 29 09.2 V K74
2022-03-09 21:32:41 C 10 02 20.95 +36 29 10.7 V K74
2022-03-09 21:35:55 C 10 02 20.77 +36 29 12.0 V K74
2022-03-09 21:39:09 C 10 02 20.60 +36 29 13.5 V K74
2022-03-09 21:42:22 C 10 02 20.42 +36 29 14.8 V K74
2022-03-10 04:31:53 C 10 02 00.11 +36 32 08.2 X U55
2022-03-10 04:39:08 C 10 01 59.73 +36 32 11.1 X U55
2022-03-10 04:46:06 C 10 01 59.37 +36 32 14.4 X U55
2022-03-11 08:39:30 C 10 00 37.70 +36 43 29.9 V T05
2022-03-11 08:48:05 C 10 00 37.26 +36 43 33.3 V T05
2022-03-11 08:55:59 C 10 00 36.87 +36 43 36.2 V T05
2022-03-11 10:07:02 C 10 00 33.21 +36 44 03.0 V T08
2022-03-11 10:11:38 C 10 00 32.98 +36 44 04.7 V T08
2022-03-11 10:20:50 C 10 00 32.51 +36 44 08.2 V T08
2022-03-11 10:37:57 C 10 00 31.64 +36 44 14.4 V T08
2022-03-12 04:40:31 C 09 59 42.35 +36 50 46.7 V 703
2022-03-12 04:48:21 C 09 59 41.87 +36 50 49.2 V 703
2022-03-12 04:56:11 C 09 59 41.49 +36 50 52.0 V 703
2022-03-12 05:04:01 C 09 59 41.11 +36 50 54.8 V 703
2022-03-13 09:08:21 C 09 58 26.95 +37 00 17.4 V T08
2022-03-13 09:13:49 C 09 58 26.69 +37 00 19.3 V T08
2022-03-13 09:21:55 C 09 58 26.32 +37 00 21.9 V T08
2022-03-13 10:01:11 C 09 58 24.50 +37 00 33.7 V T08
2022-03-18 08:25:26 C 09 54 05.783 +37 28 51.17 U F52
2022-03-18 08:45:26 C 09 54 05.092 +37 28 54.56 U F52
2022-03-18 09:05:25 C 09 54 04.411 +37 28 57.92 U F52
2022-03-18 09:25:08 C 09 54 03.740 +37 29 01.15 U F52
2022-03-18 19:50:13 C 09 53 45.49 +37 30 37.1 V B72
2022-03-18 19:52:14 C 09 53 45.42 +37 30 37.4 V B72
2022-03-18 19:54:15 C 09 53 45.36 +37 30 37.8 V B72
2022-03-18 19:56:16 C 09 53 45.30 +37 30 38.2 V B72
2022-03-23 19:36:40 C 09 50 56.69 +37 42 13.5 V 130
2022-03-23 19:38:48 C 09 50 56.64 +37 42 13.8 V 130
2022-03-23 19:41:40 C 09 50 56.58 +37 42 13.6 V 130
2022-03-23 19:44:31 C 09 50 56.54 +37 42 13.8 V 130
2022-04-05 07:25:33 C 09 49 41.290 +37 20 01.61 U I41
2022-04-05 09:26:04 C 09 49 42.149 +37 19 39.11 U I41
2022-04-07 07:23:38 C 09 50 10.850 +37 11 14.21 U I41
2022-04-07 08:17:21 C 09 50 11.419 +37 11 02.80 U I41
2022-04-09 06:55:18 C 09 50 50.201 +37 01 24.20 U I41
2022-04-09 07:25:01 C 09 50 50.599 +37 01 17.29 U I41
2022-04-09 07:43:52 C 09 50 50.861 +37 01 12.90 U I41
2022-04-13 04:51:59 C 09 52 35.419 +36 38 59.60 U I41
2022-04-13 05:40:45 C 09 52 36.360 +36 38 46.72 U I41
2022-04-13 06:54:12 C 09 52 37.800 +36 38 27.10 U I41
2022-04-15 06:26:21 C 09 53 44.150 +36 25 42.60 U I41
2022-04-15 07:06:43 C 09 53 45.388 +36 25 34.03 U F52
2022-04-15 07:24:20 C 09 53 45.778 +36 25 29.13 U F52
2022-04-15 07:41:52 C 09 53 46.169 +36 25 24.17 U F52
2022-04-15 07:46:57 C 09 53 46.001 +36 25 19.70 U I41
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)