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91481 (1999 RV108)
Classification: Main-belt Asteroid          SPK-ID: 2091481
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03888218452792423 3.8551e-08  
a 2.735241299431997 1.9736e-08 au
q 2.628889142499083 1.0826e-07 au
i 4.759344618088749 4.0017e-06 deg
node 259.5581592558148 8.0802e-05 deg
peri 170.5378357787042 0.00012512 deg
M 133.9297857600375 9.662e-05 deg
tp 2458385.795251342830
(2018-Sep-24.29525134)
0.00044075 TDB
period 1652.311382869482
4.52
1.7884e-05
4.896e-08
d
yr
n .2178766083271828 2.3582e-09 deg/d
Q 2.841593456364911 2.0504e-08 au
  Orbit Determination Parameters
   # obs. used (total)      526  
   data-arc span      8449 days (23.13 yr)  
   first obs. used      1997-03-10  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55352  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:41:36  

Additional Information
 Earth MOID = 1.64331 au 
 Jupiter MOID = 2.29014 au 
 T_jup = 3.346 
[ 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 15.4   n/a MPO426569  
rotation period rot_per 3.976 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

91481 (1999 RV108)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 RV108 = 2000 YR38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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