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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2051862187969039 4.8585e-08  
a 2.389432971591177 1.4859e-08 AU
q 1.899154255081733 1.1674e-07 AU
i 1.538954155295205 5.1474e-06 deg
node 295.2775526003083 0.00022548 deg
peri 333.669209155581 0.00022597 deg
M 139.0702512538284 1.9411e-05 deg
tp 2456479.338358062746
(2013-Jul-05.83835806)
7.01e-05 JED
period 1349.08932288455
3.69
1.2585e-05
3.446e-08
d
yr
n .2668466749334784 2.4892e-09 deg/d
Q 2.87971168810062 1.7908e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1229  
   data-arc span      16537 days (45.28 yr)  
   first obs. used      1969-09-13  
   last obs. used      2014-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .44582  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:26:47  

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 13.6 mag n/a MPO319194  

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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