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78556 (2002 RH140)
Classification: Main-belt Asteroid          SPK-ID: 2078556
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1435793561898847 3.1914e-08  
a 2.397518511705865 9.8847e-09 au
q 2.053284347341806 8.0355e-08 au
i 7.974718982628373 3.6182e-06 deg
node 94.67524953308209 2.8744e-05 deg
peri 225.2241346709344 3.2576e-05 deg
M 300.2949479490782 1.5312e-05 deg
tp 2459225.379548728805
(2021-Jan-10.87954873)
5.7732e-05 TDB
period 1355.942835010389
3.71
8.3856e-06
2.296e-08
d
yr
n .2654979182785693 1.6419e-09 deg/d
Q 2.741752676069923 1.1304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1028  
   data-arc span      9559 days (26.17 yr)  
   first obs. used      1994-06-09  
   last obs. used      2020-08-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52388  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:25  

Additional Information
 Earth MOID = 1.04854 au 
 Jupiter MOID = 2.53951 au 
 T_jup = 3.501 
[ 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 15.7   n/a MPO436331  

78556 (2002 RH140)          Discovered 2002-Sep-11 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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