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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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05471376626704117 3.0668e-08  
a 3.070026040753712 1.6383e-08 au
q 2.902053353526184 9.2771e-08 au
i 11.80703919937181 3.5897e-06 deg
node 145.9368517967876 1.9652e-05 deg
peri 345.9875719725396 4.3165e-05 deg
M 78.986877282488 3.812e-05 deg
tp 2458569.413959654913
(2019-Mar-26.91395965)
0.00020782 TDB
period 1964.769083973374
5.38
1.5727e-05
4.306e-08
d
yr
n .1832276387777683 1.4667e-09 deg/d
Q 3.237998727981241 1.7279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1797  
   data-arc span      9053 days (24.79 yr)  
   first obs. used      1995-08-28  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50669  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:54:19  

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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