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JPL Small-Body Database Browser
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52828 (1998 RP39)
Classification: Main-belt Asteroid          SPK-ID: 2052828
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1249836234292707 3.331e-08  
a 2.192469477261591 9.0158e-09 au
q 1.918446697735358 7.1067e-08 au
i 4.83240241266742 4.0368e-06 deg
node 27.48267771877788 5.8703e-05 deg
peri 14.76820489633804 6.2802e-05 deg
M 205.2933300373349 2.2933e-05 deg
tp 2459510.071697119084
(2021-Oct-22.57169712)
7.6449e-05 TDB
period 1185.765364913747
3.25
7.3141e-06
2.002e-08
d
yr
n .3036013790352078 1.8727e-09 deg/d
Q 2.466492256787824 1.0143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      760  
   data-arc span      7821 days (21.41 yr)  
   first obs. used      1998-08-30  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:36:25  

Additional Information
 Earth MOID = .927095 au 
 Jupiter MOID = 2.90182 au 
 T_jup = 3.657 
[ 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 15.7   n/a MPO452888  

52828 (1998 RP39)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 RP39 = 2000 GR92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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