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JPL Small-Body Database Browser
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74654 (1999 RU85)
Classification: Main-belt Asteroid          SPK-ID: 2074654
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1422479923068072 4.2593e-08  
a 2.455422323132683 1.3137e-08 au
q 2.106143427401742 1.0928e-07 au
i 2.870364465817785 5.1543e-06 deg
node 51.74932274645541 9.4381e-05 deg
peri 319.674110127481 9.6789e-05 deg
M 22.44501991584208 2.2676e-05 deg
tp 2458512.879602116034
(2019-Jan-29.37960212)
8.8141e-05 TDB
period 1405.360447729604
3.85
1.1278e-05
3.088e-08
d
yr
n .2561620405509414 2.0557e-09 deg/d
Q 2.804701218863623 1.5005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      528  
   data-arc span      8296 days (22.71 yr)  
   first obs. used      1997-01-10  
   last obs. used      2019-09-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59825  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:55:42  

Additional Information
 Earth MOID = 1.10635 au 
 Jupiter MOID = 2.6551 au 
 T_jup = 3.477 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO302457  

74654 (1999 RU85)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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