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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2051862216669913 4.9767e-08  
a 2.389432969802493 1.6024e-08 AU
q 1.899154246802181 1.2067e-07 AU
i 1.538956703965519 5.6825e-06 deg
node 295.2776312537936 0.00024046 deg
peri 333.6691324144066 0.00024098 deg
M 139.0702505471614 1.9534e-05 deg
tp 2456479.338361296156
(2013-Jul-05.83836130)
7.0835e-05 JED
period 1349.089321369697
3.69
1.3571e-05
3.716e-08
d
yr
n .2668466752331128 2.6843e-09 deg/d
Q 2.879711692802805 1.9312e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1147  
   data-arc span      16485 days (45.13 yr)  
   first obs. used      1969-09-13  
   last obs. used      2014-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4604  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:07:52  

Additional Information
 Earth MOID = .884703 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 13.5 mag n/a MPO313490  

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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