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79615 (1998 RT57)
Classification: Main-belt Asteroid          SPK-ID: 2079615
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1412945638792295 4.0767e-08  
a 2.43314129521969 1.0092e-08 au
q 2.089351657055081 9.7411e-08 au
i 3.132354488501846 4.9165e-06 deg
node 128.6386271215694 7.8665e-05 deg
peri 342.7578138272234 8.1472e-05 deg
M 163.068559340075 1.9473e-05 deg
tp 2458372.561436844134
(2018-Sep-11.06143684)
7.4159e-05 TDB
period 1386.275095891871
3.80
8.6252e-06
2.361e-08
d
yr
n .2596887162344868 1.6158e-09 deg/d
Q 2.7769309333843 1.1518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1022  
   data-arc span      7544 days (20.65 yr)  
   first obs. used      1998-09-14  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54907  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:48:39  

Additional Information
 Earth MOID = 1.1062 au 
 Jupiter MOID = 2.32187 au 
 T_jup = 3.490 
[ 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 15.5   n/a MPO474686  

79615 (1998 RT57)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 RT57 = 2000 AE138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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