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JPL Small-Body Database Browser
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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03888215457418098 4.26e-08  
a 2.735241309445762 2.3804e-08 au
q 2.628889234054206 1.2494e-07 au
i 4.75934599810175 4.7543e-06 deg
node 259.5580822871661 9.0418e-05 deg
peri 170.5378784556982 0.00013871 deg
M 133.9298087719164 0.00010466 deg
tp 2458385.795142348303
(2018-Sep-24.29514235)
0.00047962 TDB
period 1652.311391943193
4.52
2.157e-05
5.906e-08
d
yr
n .2178766071307078 2.8442e-09 deg/d
Q 2.841593384837317 2.473e-08 au
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      8032 days (21.99 yr)  
   first obs. used      1997-03-10  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56982  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:44:00  

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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