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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2046574116302642 4.7722e-08  
a 2.390597267965038 1.4304e-08 au
q 1.901343818852932 1.149e-07 au
i 1.537940420685552 4.9846e-06 deg
node 295.2780420014481 0.00021127 deg
peri 333.5792886472059 0.00021178 deg
M 245.8849515828815 1.9978e-05 deg
tp 2457828.455363042174
(2017-Mar-15.95536304)
7.7422e-05 JED
period 1350.075496897143
3.70
1.2117e-05
3.317e-08
d
yr
n .2666517545332704 2.3933e-09 deg/d
Q 2.879850717077144 1.7232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1416  
   data-arc span      16899 days (46.27 yr)  
   first obs. used      1969-09-13  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .45685  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:08:02  

Additional Information
 Earth MOID = .883976 au 
 Jupiter MOID = 2.21379 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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