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277487 (2005 WM73)
Classification: Main-belt Asteroid          SPK-ID: 2277487
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1844143661692045 6.7717e-08  
a 3.17645734580487 4.0302e-08 au
q 2.590672977714751 2.1424e-07 au
i 18.97471977198832 7.5687e-06 deg
node 73.91997117027812 2.1601e-05 deg
peri 359.3773075991941 3.0264e-05 deg
M 212.3039400639329 2.3359e-05 deg
tp 2459848.858426308204
(2022-Sep-26.35842631)
0.00014491 TDB
period 2067.821129440795
5.66
3.9354e-05
1.077e-07
d
yr
n .1740962962775003 3.3134e-09 deg/d
Q 3.762241713894989 4.7735e-08 au
  Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      7137 days (19.54 yr)  
   first obs. used      1999-11-12  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55128  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:12:10  

Additional Information
 Earth MOID = 1.60562 au 
 Jupiter MOID = 1.55047 au 
 T_jup = 3.090 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO402018  
rotation period rot_per 2.28 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

277487 (2005 WM73)          Discovered 2005-Nov-25 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1913-Oct-13 13:49 00:06 Jupiter 1.83298160083261 1.83297687070279 1.83298633116707 3.78669854199057 3.6626334751517 2420054.075368981 5.90961467111031 1017.82768540458 24.7716829160633 75.7246599289352 1807165.84847328 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 14:12:20 2020-Feb-25 14:12
1924-Jul-26 06:38 00:04 Jupiter 1.55787079344796 1.55787014165884 1.55787144525215 4.26788298441933 4.13852808204948 2423992.776350701 3.87659204542694 619.426302068843 27.7178178739025 88.6463637142003 2153135.48536749 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 14:12:20 2020-Feb-25 14:12
1935-Jun-02 18:48 00:04 Jupiter 1.83670839182404 1.83670519134669 1.83671159230233 4.19524256501065 4.08383809246282 2427956.283350057 3.63806465960675 252.672430694296 154.296342461318 -76.0218642461422 1793022.31186745 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 14:12:20 2020-Feb-25 14:12
2020-Aug-04 18:29 < 00:01 Jupiter 1.84127223941794 1.84127107177486 1.84127340706488 3.64118679631304 3.51257751312876 2459066.270118517 0.712716270414103 175.108766478306 30.4548360815534 73.5457867166479 1712637.0458173 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 14:12:20 2020-Feb-25 14:12
2031-May-14 12:29 < 00:01 Jupiter 1.55461085350709 1.55461017893052 1.55461152808429 4.2414921565191 4.11102967473095 2463001.020371262 0.991539097838467 193.754573507328 29.5378999991081 86.4075262138215 2233239.03578656 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 14:12:20 2020-Feb-25 14:12
2042-Mar-22 18:55 00:02 Jupiter 1.82320826251386 1.82320638385789 1.82321014117087 4.25073143072964 4.13999536497426 2466966.288280698 1.76759966935129 237.087246419401 87.4388873523603 81.0650452842291 1904971.58302782 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 14:12:20 2020-Feb-25 14:12
2127-Jun-05 08:38 00:07 Jupiter 1.85738549719869 1.85738057846984 1.85739041610312 3.45335989185533 3.31867979946218 2498085.859542258 7.11866726932721 960.777356881919 35.7846457882788 72.9028830471547 1365941.10975921 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 14:12:20 2020-Feb-25 14:12
2138-Mar-05 20:38 00:06 Jupiter 1.56013499451262 1.56013433877185 1.56013565025666 4.20553672384525 4.07439649466426 2502012.359722731 5.72861235330861 887.793113826432 29.9798916125924 89.4378675485431 2129772.90243678 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 14:12:20 2020-Feb-25 14:12
2149-Jan-12 12:48 00:07 Jupiter 1.811746177515 1.81174014973315 1.81175220529881 4.29692633487958 4.18671010579366 2505978.033021704 6.9683381530897 335.153518796735 238.879747611474 -38.5736422940195 1013934.63832929 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 14:12:20 2020-Feb-25 14:12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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