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JPL Small-Body Database Browser
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74653 (1999 RJ85)
Classification: Main-belt Asteroid          SPK-ID: 2074653
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2172786605336977 4.9002e-08  
a 2.350466871032366 8.2318e-09 au
q 1.839760577665622 1.1271e-07 au
i 2.473022069816354 4.4535e-06 deg
node 29.3731154915503 0.00010743 deg
peri 280.3698430943991 0.00010794 deg
M 188.4733905463944 1.0009e-05 deg
tp 2459227.631522098202
(2021-Jan-13.13152210)
3.7862e-05 TDB
period 1316.223463371251
3.60
6.9145e-06
1.893e-08
d
yr
n .2735097876753617 1.4368e-09 deg/d
Q 2.861173164399111 1.002e-08 au
  Orbit Determination Parameters
   # obs. used (total)      860  
   data-arc span      9158 days (25.07 yr)  
   first obs. used      1994-01-12  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56311  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:51:44  

Additional Information
 Earth MOID = .826483 au 
 Jupiter MOID = 2.41035 au 
 T_jup = 3.525 
[ 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 15.9   n/a MPO333435  

74653 (1999 RJ85)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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