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
2007-02-19 22:57:28 C 09 50 20.98 +31 27 34.8 c A24
2007-02-19 22:59:01 C 09 50 20.88 +31 27 36.3 c A24
2007-02-19 22:59:51 C 09 50 20.89 +31 27 35.7 15.2 o B24
2007-02-19 23:07:29 C 09 50 20.28 +31 27 44.3 15.0 o B24
2007-02-19 23:17:24 C 09 50 19.49 +31 27 56.4 c A24
2007-02-19 23:52:22 C 09 50 16.80 +31 28 34.7 c A24
2007-02-19 23:53:51 C 09 50 16.70 +31 28 36.1 c A24
2007-02-20 00:11:56 C 09 50 15.34 +31 28 55.9 c A24
2007-02-20 00:29:22 C 09 50 14.02 +31 29 14.8 c A24
2007-02-20 00:46:22 C 09 50 12.72 +31 29 33.4 c A24
2007-02-20 00:47:52 C 09 50 12.62 +31 29 35.0 c A24
2007-02-20 01:00:52 C 09 50 11.56 +31 29 44.4 15.4 r 084
2007-02-20 01:03:02 C 09 50 11.41 +31 29 46.8 15.5 r 084
2007-02-20 20:44:17 C 09 48 48.28 +31 50 58.7 c A24
2007-02-20 20:59:34 C 09 48 47.15 +31 51 15.0 c A24
2007-02-20 21:14:24 C 09 48 46.06 +31 51 30.7 c A24
2007-02-20 21:36:11 C 09 48 44.45 +31 51 54.1 c A24
2007-02-20 21:37:39 C 09 48 44.32 +31 51 55.7 c A24
2007-02-20 21:55:14 C 09 48 43.04 +31 52 14.1 c A24
2007-02-20 22:14:18 C 09 48 41.61 +31 52 34.2 c A24
2007-02-20 22:31:54 C 09 48 40.32 +31 52 53.0 c A24
2007-02-20 22:33:23 C 09 48 40.20 +31 52 54.4 c A24
2007-02-20 22:50:34 C 09 48 38.94 +31 53 12.7 c A24
2007-02-20 23:27:56 C 09 48 36.13 +31 53 51.7 c A24
2007-02-21 05:06:39 C 09 48 12.96 +31 59 46.8 r 703
2007-02-21 05:16:03 C 09 48 12.24 +31 59 56.5 r 703
2007-02-21 05:25:21 C 09 48 11.55 +32 00 06.3 r 703
2007-02-21 05:34:37 C 09 48 10.87 +32 00 16.0 r 703
2007-02-22 08:03:26 C 09 46 20.32 +32 26 55.4 r H45
2007-02-22 08:04:22 C 09 46 20.25 +32 26 56.5 r H45
2007-02-22 08:05:54 C 09 46 20.14 +32 26 57.8 r H45
2007-02-22 08:09:14 C 09 46 19.91 +32 27 01.0 r H45
2007-02-22 21:41:52 C 09 45 25.92 +32 40 05.2 c A24
2007-02-22 21:56:37 C 09 45 24.88 +32 40 19.2 c A24
2007-02-22 22:11:28 C 09 45 23.83 +32 40 33.3 c A24
2007-02-22 22:54:46 C 09 45 20.79 +32 41 14.7 c A24
2007-02-22 22:56:14 C 09 45 20.69 +32 41 16.0 c A24
2007-02-22 23:13:56 C 09 45 19.45 +32 41 32.8 c A24
2007-02-22 23:50:48 C 09 45 16.82 +32 42 07.5 c A24
2007-02-22 23:52:16 C 09 45 16.72 +32 42 08.9 c A24
2007-02-23 00:09:31 C 09 45 15.51 +32 42 25.1 c A24
2007-02-23 00:28:14 C 09 45 14.20 +32 42 42.7 c A24
2007-02-23 00:45:30 C 09 45 12.98 +32 42 58.9 c A24
2007-02-23 00:46:57 C 09 45 12.88 +32 43 00.3 c A24
2007-02-23 00:56:40 C 09 45 12.20 +32 43 09.5 c A24
2007-02-23 03:14:07 C 09 45 02.87 +32 45 11.9 15.3 r 084
2007-02-24 01:47:55 C 09 43 34.09 +33 05 57.2 15.7 r 084
2007-02-24 01:50:03 C 09 43 33.95 +33 05 59.0 15.4 r 084
2007-02-26 02:13:39 C 09 40 32.10 +33 47 04.2 15.8 r 084
2007-02-26 02:15:48 C 09 40 31.97 +33 47 05.8 15.9 r 084
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)