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JPL Small-Body Database Browser
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74655 (1999 RG87)
Classification: Main-belt Asteroid          SPK-ID: 2074655
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1650441288828641 3.6871e-08  
a 2.346579238814186 9.5561e-09 au
q 1.959290112489484 8.5215e-08 au
i 1.897402669097262 5.3235e-06 deg
node 348.1707777139673 0.00012241 deg
peri 100.8635475955862 0.00012378 deg
M 89.93981463857011 1.7508e-05 deg
tp 2458272.479678283877
(2018-Jun-02.97967828)
6.3082e-05 TDB
period 1312.959297196096
3.59
8.0203e-06
2.196e-08
d
yr
n .2741897641220119 1.6749e-09 deg/d
Q 2.733868365138887 1.1133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      715  
   data-arc span      9685 days (26.52 yr)  
   first obs. used      1992-10-25  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53384  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:47  

Additional Information
 Earth MOID = .976831 au 
 Jupiter MOID = 2.45958 au 
 T_jup = 3.541 
[ 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 16.1   n/a MPO436305  

74655 (1999 RG87)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RG87 = 1999 TB299 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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