IAA RAS IAA Minor Planet Database

242450 (2004 QY2)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4771213381 ± 9.11e-09
Semi-major axis (a)1.0838644260 AU ± 6.75e-10
Inclination (i)37.03321187° ± 1.29e-06
Long. of Asc. Node (Ω)295.27194922° ± 1.98e-06
Arg. of Perihelion (ω)104.98559607° ± 2.25e-06
Mean Anomaly (M)224.10797023° ± 2.52e-06
Mean Motion (n)0.8734736991°/day ± 8.16e-10
Perihelion dist (q)0.56672958 AU ± 9.88e-09
Aphelion dist (Q)1.60099927 AU ± 9.93e-09
Orbital Period1.12839835 yr ± 1.05e-09
Physical Parameters
H (abs. magnitude)14.64
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.213″
Uncertainty0
Orbit TypeApollo
MOID0.048037 AU
Observations Used3323
Radar Obs Used1
Gaia Obs Used53
Oppositions1
Arc Total2004-2025
First Observation Used2004-08-20
Last Observation Used2025-06-08
Observations (5743)
Date Type RA Dec Mag Band Observatory
2021-03-21 19:41:51 S 18 13 09.15 -71 47 14.9 – L C51
2021-03-21 22:50:00 S 18 13 36.20 -71 49 20.5 – L C51
2021-03-21 22:50:11 S 18 13 36.17 -71 49 19.2 – L C51
2021-03-22 00:24:14 S 18 13 49.57 -71 50 22.0 – L C51
2021-03-22 01:58:19 S 18 14 03.20 -71 51 24.6 – L C51
2021-03-22 03:32:34 S 18 14 16.35 -71 52 26.9 – L C51
2021-03-22 06:40:42 S 18 14 43.301 -71 54 29.84 – L C51
2021-03-22 06:40:52 S 18 14 43.23 -71 54 31.0 – L C51
2021-03-22 08:14:57 S 18 14 56.887 -71 55 32.99 – L C51
2021-03-22 09:49:01 S 18 15 09.76 -71 56 33.7 – L C51
2021-03-22 14:31:24 S 18 15 50.13 -71 59 41.5 – L C51
2021-03-22 16:05:38 S 18 16 03.81 -72 00 41.1 – L C51
2021-03-22 17:39:43 S 18 16 17.191 -72 01 45.23 – L C51
2021-03-22 19:13:58 S 18 16 30.59 -72 02 47.1 – L C51
2021-03-22 20:48:02 S 18 16 44.08 -72 03 48.2 – L C51
2021-03-23 01:30:25 S 18 17 24.35 -72 06 55.0 – L C51
2021-03-23 07:46:19 S 18 18 17.899 -72 11 02.98 – L C51
2021-03-31 06:15:34 C 18 45 26.14 -74 16 08.5 – V W88
2021-03-31 06:30:33 C 18 45 28.31 -74 16 18.8 – V W88
2021-03-31 07:10:37 C 18 45 33.83 -74 16 45.9 – V W88
2021-04-02 08:30:48 C 18 52 32.58 -74 49 20.1 – o W92
2021-04-02 09:14:04 C 18 52 38.13 -74 49 48.7 – o W92
2021-04-02 09:50:50 C 18 52 43.27 -74 50 13.1 – o W92
2021-05-27 07:44:02 S 11 25 51.139 -85 23 09.02 – V C57
2021-05-27 07:44:02 s 1 +120217.91 3 -32927.315 6180.0 – C57
2021-05-27 07:54:02 S 11 25 52.622 -85 22 46.56 – V C57
2021-05-27 07:54:02 s 1 +121050.16 5 -31965.514 8650.0 – C57
2021-05-27 08:24:02 S 11 25 53.460 -85 22 10.34 – V C57
2021-05-27 08:24:02 s 1 +123498.33 4 -29067.584 4650.0 – C57
2021-05-27 08:44:02 S 11 25 53.431 -85 21 41.72 – V C57
2021-05-27 08:44:02 s 1 +125090.51 2 -27126.093 8990.0 – C57
2021-05-27 08:54:02 S 11 25 54.526 -85 21 28.22 – V C57
2021-05-27 08:54:02 s 1 +125874.78 7 -26152.747 1710.0 – C57
2021-05-27 09:04:02 S 11 25 53.357 -85 21 14.65 – V C57
2021-05-27 09:04:02 s 1 +126651.26 1 -25177.777 5000.0 – C57
2021-05-27 09:24:02 S 11 25 55.853 -85 20 48.01 – V C57
2021-05-27 09:24:02 s 1 +128181.03 1 -23223.292 3910.0 – C57
2021-05-27 09:44:02 S 11 25 52.310 -85 20 18.49 – V C57
2021-05-27 09:44:02 s 1 +129680.27 3 -21263.265 6920.0 – C57
2021-05-27 09:54:02 S 11 25 54.038 -85 20 04.09 – V C57
2021-05-27 09:54:02 s 1 +130418.58 7 -20281.361 5340.0 – C57
2021-05-27 10:04:02 S 11 25 53.976 -85 19 51.67 – V C57
2021-05-27 10:04:02 s 1 +131149.43 8 -19298.293 5240.0 – C57
2021-05-27 10:14:02 S 11 25 54.305 -85 19 37.67 – V C57
2021-05-27 10:14:02 s 1 +131872.88 2 -18314.133 6760.0 – C57
2021-05-27 10:24:02 S 11 25 54.288 -85 19 24.89 – V C57
2021-05-27 10:24:02 s 1 +132588.97 6 -17328.950 70.0 – C57
2021-05-27 10:34:02 S 11 25 53.918 -85 19 10.88 – V C57
2021-05-27 10:34:02 s 1 +133297.77 5 -16342.809 5300.0 – C57
2021-05-27 10:44:02 S 11 25 53.321 -85 18 57.49 – V C57
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2020-07-08 12:05:00 162807203.15 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)