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78438 (2002 RR6)
Classification: Main-belt Asteroid          SPK-ID: 2078438
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1198536893880375 3.3573e-08  
a 2.745293782047317 1.6308e-08 au
q 2.416260193814907 9.761e-08 au
i 8.5198985078455 4.9714e-06 deg
node 326.9131903973214 2.4985e-05 deg
peri 105.0293600393403 3.3682e-05 deg
M 247.4875173212429 2.3619e-05 deg
tp 2459519.754027296812
(2021-Nov-01.25402730)
0.00011085 TDB
period 1661.428539983197
4.55
1.4804e-05
4.053e-08
d
yr
n .2166810015215225 1.9307e-09 deg/d
Q 3.074327370279727 1.8263e-08 au
  Orbit Determination Parameters
   # obs. used (total)      742  
   data-arc span      8021 days (21.96 yr)  
   first obs. used      1998-11-14  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53998  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:51  

Additional Information
 Earth MOID = 1.44808 au 
 Jupiter MOID = 2.18783 au 
 T_jup = 3.322 
[ 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 14.9   n/a MPO296677  

78438 (2002 RR6)          Discovered 2002-Sep-01 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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