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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2042961966018328 4.2492e-08  
a 2.390951894736398 1.339e-08 au
q 1.902489516383806 1.0479e-07 au
i 1.536638650297113 4.7843e-06 deg
node 295.2309265654563 0.00017502 deg
peri 333.5784145202862 0.00017569 deg
M 299.2195457783362 2.0121e-05 deg
tp 2457828.490171304207
(2017-Mar-15.99017130)
7.6749e-05 JED
period 1350.375918057227
3.70
1.1343e-05
3.106e-08
d
yr
n .2665924319192011 2.2394e-09 deg/d
Q 2.87941427308899 1.6125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1585  
   data-arc span      17013 days (46.58 yr)  
   first obs. used      1969-09-13  
   last obs. used      2016-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .44869  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:03:06  

Additional Information
 Earth MOID = .886383 au 
 Jupiter MOID = 2.21519 au 
 T_jup = 3.503 
[ 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 13.7 mag n/a MPO358715  

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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