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
2024-06-25 07:33:36 C 13 56 00.228 +19 59 08.81 V T05
2024-06-25 07:38:09 C 13 56 00.221 +19 59 05.39 V T05
2024-06-25 07:45:57 C 13 56 00.223 +19 58 59.66 V T05
2024-06-25 08:02:40 C 13 56 00.252 +19 58 47.14 V T05
2024-06-26 07:24:47 C 13 56 05.477 +19 41 25.40 V T08
2024-06-26 07:29:02 C 13 56 05.482 +19 41 21.91 V T08
2024-06-26 07:39:19 C 13 56 05.506 +19 41 14.50 V T08
2024-06-26 08:00:54 C 13 56 05.570 +19 40 58.19 V T08
2024-06-27 06:13:32 C 13 56 12.667 +19 24 20.27 V T08
2024-06-27 06:31:38 C 13 56 12.713 +19 24 06.44 V T08
2024-06-27 06:35:48 C 13 56 12.727 +19 24 03.42 V T08
2024-06-27 06:44:37 C 13 56 12.773 +19 23 56.76 V T08
2024-06-28 07:36:58 C 13 56 22.606 +19 05 09.78 V T05
2024-06-28 07:41:31 C 13 56 22.630 +19 05 06.58 V T05
2024-06-28 07:49:59 C 13 56 22.685 +19 05 00.49 V T05
2024-06-28 08:06:56 C 13 56 22.795 +19 04 47.35 V T05
2024-07-01 07:47:22 C 13 57 04.339 +18 09 56.45 V T08
2024-07-01 07:51:22 C 13 57 04.339 +18 09 53.17 V T08
2024-07-01 08:09:47 C 13 57 04.519 +18 09 38.66 V T08
2024-07-01 08:27:55 C 13 57 04.714 +18 09 24.59 V T08
2024-07-03 07:22:45 C 13 57 42.084 +17 32 56.26 V T05
2024-07-03 07:27:21 C 13 57 42.115 +17 32 53.23 V T05
2024-07-03 07:35:09 C 13 57 42.259 +17 32 47.33 V T05
2024-07-03 07:50:08 C 13 57 42.439 +17 32 35.23 V T05
2024-07-04 07:07:28 C 13 58 03.900 +17 14 20.44 V T08
2024-07-04 07:12:07 C 13 58 03.948 +17 14 17.02 V T08
2024-07-04 07:22:21 C 13 58 04.097 +17 14 08.59 V T08
2024-07-04 07:39:42 C 13 58 04.361 +17 13 55.16 V T08
2024-07-05 07:10:03 C 13 58 27.929 +16 55 24.42 V T08
2024-07-05 07:14:42 C 13 58 27.991 +16 55 20.35 V T08
2024-07-05 07:20:01 C 13 58 28.073 +16 55 16.18 X F51
2024-07-05 07:29:00 C 13 58 28.195 +16 55 08.98 V T08
2024-07-05 07:35:12 C 13 58 28.306 +16 55 04.16 X F51
2024-07-05 07:36:23 C 13 58 28.354 +16 55 03.32 V T08
2024-07-05 07:50:23 C 13 58 28.554 +16 54 52.14 X F51
2024-07-06 07:16:49 C 13 58 53.954 +16 36 19.40 V T05
2024-07-06 07:21:23 C 13 58 54.060 +16 36 15.62 V T05
2024-07-06 07:29:51 C 13 58 54.190 +16 36 09.18 V T05
2024-07-06 07:44:50 C 13 58 54.444 +16 35 56.83 V T05
2024-07-07 07:01:14 C 13 59 21.576 +16 17 26.77 V T05
2024-07-07 07:05:48 C 13 59 21.643 +16 17 23.06 V T05
2024-07-07 07:09:04 C 13 59 21.720 +16 17 20.65 V T05
2024-07-07 07:13:15 C 13 59 21.816 +16 17 17.95 V T05
2024-07-07 07:25:21 C 13 59 22.001 +16 17 07.51 V T05
2024-07-07 07:27:58 C 13 59 22.114 +16 17 06.14 V T05
2024-07-08 20:41:40 C 14 00 09.077 +15 47 17.77 V B38
2024-07-08 20:49:56 C 14 00 09.257 +15 47 10.90 V B38
2024-07-08 21:01:27 C 14 00 09.480 +15 47 01.97 V B38
2024-07-08 21:10:09 C 14 00 09.660 +15 46 54.62 V B38
2024-07-10 06:32:49 C 14 00 55.754 +15 20 07.94 V T05
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)