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
2024-05-25 09:34:44 C 14 13 22.992 +27 09 47.59 V T08
2024-05-27 08:53:18 C 14 11 04.651 +26 52 41.66 V T05
2024-05-27 08:57:49 C 14 11 04.440 +26 52 40.15 V T05
2024-05-27 09:05:38 C 14 11 04.046 +26 52 37.02 V T05
2024-05-27 09:20:35 C 14 11 03.307 +26 52 31.26 V T05
2024-05-28 06:20:30 C 14 10 05.282 +26 44 18.86 X F51
2024-05-28 06:38:12 C 14 10 04.434 +26 44 11.90 X F51
2024-05-28 06:55:59 C 14 10 03.582 +26 44 04.94 X F51
2024-05-28 07:13:46 C 14 10 02.728 +26 43 57.89 X F51
2024-05-29 08:56:35 C 14 08 53.534 +26 33 25.42 V T08
2024-05-29 09:01:14 C 14 08 53.302 +26 33 23.62 V T08
2024-05-29 09:09:13 C 14 08 52.944 +26 33 19.91 V T08
2024-05-29 09:23:48 C 14 08 52.255 +26 33 14.04 V T08
2024-05-30 06:24:43 C 14 07 58.069 +26 24 11.09 V G96
2024-05-30 06:32:08 C 14 07 57.745 +26 24 07.78 V G96
2024-05-30 06:39:33 C 14 07 57.410 +26 24 04.50 V G96
2024-05-30 06:46:58 C 14 07 57.086 +26 24 01.15 V G96
2024-05-30 08:26:11 C 14 07 53.076 +26 23 19.75 V T08
2024-05-30 08:55:59 C 14 07 51.749 +26 23 06.83 V T08
2024-05-30 09:00:38 C 14 07 51.535 +26 23 04.52 V T08
2024-05-30 09:08:37 C 14 07 51.206 +26 23 01.07 V T08
2024-05-31 08:41:08 C 14 06 53.088 +26 12 28.15 V T05
2024-05-31 08:45:15 C 14 06 52.898 +26 12 26.35 V T05
2024-05-31 08:53:04 C 14 06 52.558 +26 12 22.75 V T05
2024-05-31 09:11:52 C 14 06 51.768 +26 12 14.15 V T05
2024-06-01 08:34:46 C 14 05 56.525 +26 01 20.68 V T05
2024-06-01 08:39:04 C 14 05 56.352 +26 01 18.48 V T05
2024-06-01 08:47:51 C 14 05 55.980 +26 01 14.59 V T05
2024-06-01 09:01:57 C 14 05 55.411 +26 01 07.54 V T05
2024-06-02 08:39:21 C 14 05 02.045 +25 49 43.14 V T08
2024-06-02 08:44:00 C 14 05 01.848 +25 49 40.69 V T08
2024-06-02 08:54:51 C 14 05 01.459 +25 49 35.15 V T08
2024-06-02 09:10:51 C 14 05 00.816 +25 49 27.19 V T08
2024-06-03 08:30:42 C 14 04 10.680 +25 37 48.22 V T08
2024-06-03 08:54:15 C 14 04 09.787 +25 37 35.98 V T08
2024-06-03 08:58:23 C 14 04 09.650 +25 37 33.71 V T08
2024-06-03 09:06:22 C 14 04 09.360 +25 37 29.86 V T08
2024-06-06 08:57:29 C 14 01 50.297 +24 59 18.60 V T08
2024-06-06 09:01:29 C 14 01 50.170 +24 59 16.48 V T08
2024-06-06 09:34:51 C 14 01 49.118 +24 58 57.90 V T08
2024-06-06 09:48:06 C 14 01 48.682 +24 58 50.02 V T08
2024-06-07 08:18:13 C 14 01 10.241 +24 46 13.12 V T08
2024-06-07 08:22:13 C 14 01 10.130 +24 46 10.92 V T08
2024-06-07 08:30:07 C 14 01 09.878 +24 46 06.67 V T08
2024-06-07 08:47:26 C 14 01 09.353 +24 45 56.66 V T08
2024-06-08 08:25:50 C 14 00 31.358 +24 32 21.23 V T05
2024-06-08 08:30:24 C 14 00 31.202 +24 32 18.49 V T05
2024-06-08 08:39:45 C 14 00 30.962 +24 32 12.77 V T05
2024-06-08 09:03:17 C 14 00 30.281 +24 31 59.09 V T05
2024-06-09 08:06:07 C 13 59 55.819 +24 18 26.03 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)