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78564 (2002 RH172)
Classification: Main-belt Asteroid          SPK-ID: 2078564
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .062026223638348 4.6963e-08  
a 2.738993167459441 1.7033e-08 au
q 2.569103764710694 1.3546e-07 au
i 7.086342597023331 3.9413e-06 deg
node 97.04277096560834 3.9076e-05 deg
peri 300.5684703918166 5.2874e-05 deg
M 281.4638924074306 3.6631e-05 deg
tp 2459361.703310782985
(2021-May-27.20331078)
0.00016928 TDB
period 1655.712205097589
4.53
1.5445e-05
4.229e-08
d
yr
n .2174290911739588 2.0282e-09 deg/d
Q 2.908882570208187 1.809e-08 au
  Orbit Determination Parameters
   # obs. used (total)      671  
   data-arc span      9448 days (25.87 yr)  
   first obs. used      1994-11-29  
   last obs. used      2020-10-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59101  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:23  

Additional Information
 Earth MOID = 1.58593 au 
 Jupiter MOID = 2.36629 au 
 T_jup = 3.337 
[ 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 15.2   n/a MPO302471  

78564 (2002 RH172)          Discovered 2002-Sep-13 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 RH172 = 1994 WT13 = 2000 EU88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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