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66499 (1999 RR71)
Classification: Main-belt Asteroid          SPK-ID: 2066499
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1822333754911131 4.9707e-08  
a 2.414156161350452 9.6576e-09 au
q 1.974216335104891 1.1903e-07 au
i 4.697133987552818 5.3927e-06 deg
node 5.359723286191922 4.0979e-05 deg
peri 344.2026194956145 4.2076e-05 deg
M 237.8933505673093 1.0265e-05 deg
tp 2459665.211349843041
(2022-Mar-26.71134984)
4.0262e-05 TDB
period 1370.081700879966
3.75
8.2213e-06
2.251e-08
d
yr
n .2627580528728921 1.5767e-09 deg/d
Q 2.854095987596013 1.1418e-08 au
  Orbit Determination Parameters
   # obs. used (total)      834  
   data-arc span      9831 days (26.92 yr)  
   first obs. used      1994-03-14  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52111  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:22:41  

Additional Information
 Earth MOID = .966934 au 
 Jupiter MOID = 2.57102 au 
 T_jup = 3.490 
[ 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 15.8   n/a MPO468591  

66499 (1999 RR71)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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