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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0545282143048755 3.0393e-08  
a 3.070412215708764 1.613e-08 au
q 2.902988120406289 9.1605e-08 au
i 11.80713045232388 3.5376e-06 deg
node 145.9337179358599 1.9578e-05 deg
peri 346.0989348648777 4.3154e-05 deg
M 115.5389238274254 3.8137e-05 deg
tp 2458569.805168470893
(2019-Mar-27.30516847)
0.00020783 TDB
period 1965.139814610109
5.38
1.5485e-05
4.24e-08
d
yr
n .1831930722300415 1.4436e-09 deg/d
Q 3.23783631101124 1.7009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1848  
   data-arc span      9095 days (24.90 yr)  
   first obs. used      1995-08-28  
   last obs. used      2020-07-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50478  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:14:30  

Additional Information
 Earth MOID = 1.91793 au 
 Jupiter MOID = 1.77847 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 13.43   n/a E2021B10  
rotation period rot_per 5.851 h n/a LCDB (Rev. 2020-October); 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

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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