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161996 (1985 RH3)
Classification: Main-belt Asteroid          SPK-ID: 2161996
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .326102541701401 9.2858e-08  
a 2.676681695077482 3.4444e-08 au
q 1.803808990987101 2.4816e-07 au
i 8.502910594178719 9.9212e-06 deg
node 10.65340977165093 4.8829e-05 deg
peri 357.4062086617503 5.122e-05 deg
M 6.662950518841437 2.0295e-05 deg
tp 2457570.895508381207
(2016-Jul-01.39550838)
8.9663e-05 JED
period 1599.534163225149
4.38
3.0875e-05
8.453e-08
d
yr
n .2250655273746265 4.3443e-09 deg/d
Q 3.549554399167863 4.5677e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      10881 days (29.79 yr)  
   first obs. used      1985-09-06  
   last obs. used      2015-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56355  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 15:19:39  

Additional Information
 Earth MOID = .801903 au 
 Jupiter MOID = 1.90573 au 
 T_jup = 3.285 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8 mag n/a MPO254167  

161996 (1985 RH3)          Discovered 1985-Sep-06 by Debehogne, H. at La Silla
Reference: 20070926/Numbers.arcLast Updated: 2007-09-30

[ show close-approach data ]
Alternate Designations
 1985 RH3 = 2004 BN16 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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