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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1820505619251845 5.0965e-08  
a 2.41453399572755 9.872e-09 au
q 1.974966725017888 1.219e-07 au
i 4.696678860809605 5.5074e-06 deg
node 5.359428277524343 4.2267e-05 deg
peri 344.1869120863078 4.3438e-05 deg
M 185.359928584293 1.0342e-05 deg
tp 2459665.298166684680
(2022-Mar-26.79816668)
4.0928e-05 TDB
period 1370.403356265233
3.75
8.4045e-06
2.301e-08
d
yr
n .2626963793938085 1.6111e-09 deg/d
Q 2.854101266437211 1.1669e-08 au
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      9455 days (25.89 yr)  
   first obs. used      1994-03-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52345  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:58:12  

Additional Information
 Earth MOID = .969437 au 
 Jupiter MOID = 2.57038 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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