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JPL Small-Body Database Browser
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85677 (1998 RU2)
Classification: Main-belt Asteroid          SPK-ID: 2085677
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1373695696571191 4.1629e-08  
a 2.387714734872168 1.4044e-08 au
q 2.059715389278816 1.0092e-07 au
i .9591317410562353 5.859e-06 deg
node 334.7652340366676 0.00037775 deg
peri 142.3867521434486 0.00037881 deg
M 103.5344663664121 2.745e-05 deg
tp 2458212.926089575044
(2018-Apr-04.42608958)
0.00010266 TDB
period 1347.634393161351
3.69
1.189e-05
3.255e-08
d
yr
n .2671347672832045 2.3568e-09 deg/d
Q 2.71571408046552 1.5973e-08 au
  Orbit Determination Parameters
   # obs. used (total)      381  
   data-arc span      7091 days (19.41 yr)  
   first obs. used      1998-09-13  
   last obs. used      2018-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59248  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:45:22  

Additional Information
 Earth MOID = 1.07635 au 
 Jupiter MOID = 2.36368 au 
 T_jup = 3.521 
[ 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 16.6   n/a MPO436374  

85677 (1998 RU2)          Discovered 1998-Sep-13 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 RU2 = 2000 CM96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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