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JPL Small-Body Database Browser
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91546 (1999 RV209)
Classification: Main-belt Asteroid          SPK-ID: 2091546
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 .1085090046928306 1.0167e-07  
a 2.962377403383836 2.0962e-08 au
q 2.640932779818124 3.1169e-07 au
i 9.885119321383852 1.0133e-05 deg
node 322.5672559399018 2.7818e-05 deg
peri 56.37842386305263 4.7495e-05 deg
M 16.26432098815195 3.8962e-05 deg
tp 2458916.361950019134
(2020-Mar-07.86195002)
0.00020113 TDB
period 1862.340150269835
5.10
1.9767e-05
5.412e-08
d
yr
n .1933051810904896 2.0518e-09 deg/d
Q 3.283822026949547 2.3237e-08 au
  Orbit Determination Parameters
   # obs. used (total)      806  
   data-arc span      7383 days (20.21 yr)  
   first obs. used      1999-09-06  
   last obs. used      2019-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51618  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:17:05  

Additional Information
 Earth MOID = 1.6568 au 
 Jupiter MOID = 2.23837 au 
 T_jup = 3.234 
[ 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 14.2   n/a MPO449562  

91546 (1999 RV209)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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