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15973 (1998 FM85)
Classification: Main-belt Asteroid          SPK-ID: 2015973
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05471376689562277 3.043e-08  
a 3.070026040475426 1.6289e-08 au
q 2.902053351333362 9.1802e-08 au
i 11.807039398274 3.5424e-06 deg
node 145.9368517700704 1.9651e-05 deg
peri 345.9875722703991 4.3159e-05 deg
M 78.98687711110486 3.8119e-05 deg
tp 2458569.413960648884
(2019-Mar-26.91396065)
0.00020782 TDB
period 1964.769083706225
5.38
1.5637e-05
4.281e-08
d
yr
n .1832276388026817 1.4582e-09 deg/d
Q 3.23799872961749 1.718e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1837  
   data-arc span      9095 days (24.90 yr)  
   first obs. used      1995-08-28  
   last obs. used      2020-07-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50606  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:30:13  

Additional Information
 Earth MOID = 1.91713 au 
 Jupiter MOID = 1.77928 au 
 T_jup = 3.196 
[ 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 13.4   n/a MPO337394  
rotation period rot_per 5.851 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

15973 (1998 FM85)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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