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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2051862263922949 4.8438e-08  
a 2.389432966810781 1.4667e-08 AU
q 1.899154233133531 1.1623e-07 AU
i 1.538954531753065 5.0335e-06 deg
node 295.2775455216144 0.00021947 deg
peri 333.669221860236 0.00021998 deg
M 139.0702489649422 1.9375e-05 deg
tp 2456479.338368204264
(2013-Jul-05.83836820)
6.9907e-05 JED
period 1349.089318835986
3.69
1.2421e-05
3.401e-08
d
yr
n .2668466757342747 2.4569e-09 deg/d
Q 2.879711700488031 1.7676e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1289  
   data-arc span      16589 days (45.42 yr)  
   first obs. used      1969-09-13  
   last obs. used      2015-02-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .45245  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:14:51  

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
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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