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JPL Small-Body Database Browser
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52831 (1998 RA47)
Classification: Main-belt Asteroid          SPK-ID: 2052831
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1027377172421468 3.9595e-08  
a 2.228046283640543 9.8674e-09 au
q 1.999141894549465 9.1615e-08 au
i 7.103099607559556 5.1743e-06 deg
node 209.8178754981771 3.0259e-05 deg
peri 261.0798224545739 4.042e-05 deg
M 327.4180314044536 2.6386e-05 deg
tp 2458710.440968702825
(2019-Aug-14.94096870)
8.9279e-05 TDB
period 1214.743934730418
3.33
8.0696e-06
2.209e-08
d
yr
n .2963587548843311 1.9687e-09 deg/d
Q 2.456950672731621 1.0881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      706  
   data-arc span      7894 days (21.61 yr)  
   first obs. used      1997-05-04  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62393  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:07:55  

Additional Information
 Earth MOID = 1.0304 au 
 Jupiter MOID = 2.65464 au 
 T_jup = 3.627 
[ 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 16.1   n/a MPO351207  

52831 (1998 RA47)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RA47 = 1997 LQ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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