497113 (2004 EK1)

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2506652536 ± 2.00e+00
Semi-major axis (a)1.2495184861 AU ± 3.00e+00
Inclination (i)11.64283602° ± 4.00e+00
Long. of Asc. Node (Ω)166.83206886° ± 5.00e+00
Arg. of Perihelion (ω)300.47062480° ± 6.00e+00
Mean Anomaly (M)227.61397499° ± 7.27e-06
Mean Motion (n)0.7056644638°/day ± 2.54e+00
Perihelion dist (q)0.93630762 AU ± 3.36e+00
Aphelion dist (Q)1.56272935 AU ± 4.51e+00
Orbital Period1.39673504 yr ± 5.03e+00
NGA Modelr2
A2-4.62560221e-06 AU/d²
Physical Parameters
H (abs. magnitude)22.29
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-29
RMS Residual0.294″
Uncertainty0
Orbit TypeApollo
MOID0.035204 AU
Observations Used259
Oppositions6
Arc Total2004-2025
First Observation Used2004-03-14
Last Observation Used2025-04-26
Observations (277)
Date Type RA Dec Mag Band Observatory
2004-03-18 08:52:20 C 12 42 54.03 +24 10 07.9 18.5 c 704
2004-03-18 09:17:16 C 12 42 54.20 +24 11 12.0 18.5 c 704
2004-03-20 00:12:59 12 43 59.76 +25 43 40.3 o 084
2004-03-21 23:52:20 C 12 45 04.42 +27 17 36.8 r J95
2004-03-22 01:48:59 C 12 45 04.80 +27 21 01.5 r J95
2004-03-22 01:53:07 C 12 45 04.80 +27 21 09.0 r J95
2004-03-22 01:57:10 C 12 45 04.82 +27 21 15.8 r J95
2004-03-25 01:11:55 C 12 46 12.19 +29 07 18.3 r J95
2004-03-25 01:17:37 C 12 46 12.19 +29 07 25.7 r J95
2004-03-25 01:22:29 C 12 46 12.20 +29 07 31.7 r J95
2004-04-01 07:16:06 C 12 47 42.76 +31 31 34.2 c 926
2004-04-01 07:26:25 C 12 47 42.71 +31 31 39.9 c 926
2004-04-16 07:57:10 C 12 49 53.57 +31 46 29.1 o 696
2004-04-16 08:08:06 C 12 49 53.51 +31 46 25.9 o 696
2004-04-20 03:17:16 C 12 50 51.43 +31 15 21.0 o 715
2004-04-20 03:30:39 C 12 50 51.56 +31 15 16.8 o 715
2004-04-20 03:44:02 C 12 50 51.62 +31 15 12.2 o 715
2011-02-26 17:28:33 C 13 56 25.85 -36 23 49.6 r E12
2011-02-26 17:48:59 C 13 56 24.99 -36 20 27.0 r E12
2011-02-26 18:17:57 C 13 56 23.85 -36 15 40.1 r E12
2011-02-26 18:25:48 C 13 56 23.53 -36 14 21.5 r E12
2011-02-26 18:30:31 C 13 56 23.34 -36 13 34.5 r E12
2011-02-27 02:40:38 C 13 56 36.38 -34 51 50.2 u I20
2011-02-27 02:56:26 C 13 56 36.30 -34 49 18.6 u I20
2011-03-03 18:29:14 C 13 55 42.71 -17 11 41.1 o 300
2011-03-03 18:32:04 C 13 55 42.63 -17 11 15.4 o 300
2011-03-03 18:34:54 C 13 55 42.48 -17 10 51.0 o 300
2011-03-03 18:37:43 C 13 55 42.33 -17 10 25.7 o 300
2011-03-06 03:20:45 C 13 54 42.86 -09 15 09.8 v 204
2011-03-06 03:25:30 C 13 54 42.64 -09 14 32.3 v 204
2011-03-06 03:30:14 C 13 54 42.43 -09 13 55.0 v 204
2011-03-06 03:34:59 C 13 54 42.21 -09 13 17.6 v 204
2011-03-06 03:39:44 C 13 54 42.01 -09 12 39.9 v 204
2011-03-06 11:03:21 C 13 54 33.03 -08 14 39.7 18.2 c 704
2011-03-06 11:22:30 C 13 54 32.10 -08 12 11.2 18.5 c 704
2011-03-06 11:41:37 C 13 54 31.15 -08 09 42.7 18.4 c 704
2011-03-06 11:59:59 C 13 54 30.26 -08 07 20.5 18.7 c 704
2011-03-11 08:00:38 C 13 51 31.97 +04 42 49.5 u H45
2011-03-11 08:02:37 C 13 51 31.91 +04 42 59.9 u H45
2011-03-11 08:04:50 C 13 51 31.78 +04 43 12.6 u H45
2011-03-11 08:07:07 C 13 51 31.64 +04 43 25.7 u H45
2011-03-11 08:08:53 C 13 51 31.56 +04 43 35.2 u H45
2011-03-26 10:06:23 C 13 37 36.73 +24 42 41.6 r 703
2011-03-26 10:16:19 C 13 37 36.19 +24 42 56.3 r 703
2011-03-26 10:26:16 C 13 37 35.47 +24 43 14.3 r 703
2011-03-26 10:36:14 C 13 37 34.93 +24 43 31.1 r 703
2011-03-29 12:32:49 C 13 34 28.200 +26 34 11.12 L F51
2011-03-29 13:05:26 C 13 34 26.290 +26 34 52.62 L F51
2011-03-29 13:20:10 C 13 34 25.434 +26 35 11.06 L F51
2017-08-18 07:54:35 C 00 53 27.70 +09 17 37.3 u H21