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90920 (1997 QM3)
Classification: Main-belt Asteroid          SPK-ID: 2090920
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2206953369832475 5.1635e-08  
a 2.237518384826582 6.789e-09 au
q 1.743708510881068 1.1685e-07 au
i 4.596285927473977 5.172e-06 deg
node 12.00297063128262 3.8193e-05 deg
peri 347.244402188634 3.8877e-05 deg
M 49.60604126097312 6.9765e-06 deg
tp 2459228.046354131282
(2021-Jan-13.54635413)
2.3454e-05 TDB
period 1222.498529840333
3.35
5.5639e-06
1.523e-08
d
yr
n .2944788817431288 1.3402e-09 deg/d
Q 2.731328258772096 8.2873e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1249  
   data-arc span      14794 days (40.50 yr)  
   first obs. used      1980-07-12  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50328  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:16:52  

Additional Information
 Earth MOID = .739896 au 
 Jupiter MOID = 2.72024 au 
 T_jup = 3.601 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.19   n/a MPO637236  
rotation period rot_per 4.68 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

90920 (1997 QM3)          Discovered 1997-Aug-30 by ODAS at Caussols
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1997 QM3 = 1987 WT5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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