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JPL Small-Body Database Browser
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52825 (1998 RM28)
Classification: Main-belt Asteroid          SPK-ID: 2052825
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1719484383140654 2.9698e-08  
a 2.246086737598556 8.0934e-09 au
q 1.85987563075055 6.6249e-08 au
i 2.765441535109704 4.1797e-06 deg
node 165.7766290210753 7.6609e-05 deg
peri 136.9035844961834 7.7665e-05 deg
M 77.54969019362593 1.3489e-05 deg
tp 2458335.640363603069
(2018-Aug-05.14036360)
4.5787e-05 TDB
period 1229.52740191259
3.37
6.6456e-06
1.819e-08
d
yr
n .2927954264703678 1.5826e-09 deg/d
Q 2.632297844446561 9.485e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1006  
   data-arc span      7776 days (21.29 yr)  
   first obs. used      1998-08-23  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51556  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:06:00  

Additional Information
 Earth MOID = .844988 au 
 Jupiter MOID = 2.58818 au 
 T_jup = 3.610 
[ 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 15.9   n/a MPO400513  

52825 (1998 RM28)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RM28 = 2000 AJ131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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