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8670 (1991 OM1)
Classification: Main-belt Asteroid          SPK-ID: 2008670
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2052192464277671 5.0124e-08  
a 2.389604253339648 1.6413e-08 AU
q 1.899211469208698 1.2187e-07 AU
i 1.538930853113769 5.8429e-06 deg
node 295.279511231058 0.00024302 deg
peri 333.694325277194 0.00024353 deg
M 85.6662263780992 1.932e-05 deg
tp 2456479.433838002601
(2013-Jul-05.93383800)
7.1033e-05 JED
period 1349.234385659982
3.69
1.3901e-05
3.806e-08
d
yr
n .2668179849447766 2.749e-09 deg/d
Q 2.879997037470598 1.9782e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1122  
   data-arc span      16004 days (43.82 yr)  
   first obs. used      1969-09-13  
   last obs. used      2013-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .45499  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:19:41  

Additional Information
 Earth MOID = .882939 AU 
 T_jup = 3.504 
[ 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 13.6 mag n/a MPO266004  

8670 (1991 OM1)          Discovered 1991-Jul-18 by Debehogne, H. at La Silla (809)
Reference: 19980511/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 OM1 = 1969 RG1 = 1985 XB2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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