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7880 (1992 OM7)
Classification: Main-belt Asteroid          SPK-ID: 2007880
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0445175382181895 5.526e-08  
a 2.782962414683057 2.39e-08 AU
q 2.659071779027619 1.5844e-07 AU
i 3.269205806480765 5.8882e-06 deg
node 292.2053009257821 9.738e-05 deg
peri 6.027661160223004 0.00011839 deg
M 249.3757065232246 6.7759e-05 deg
tp 2457321.583651278134
(2015-Oct-26.08365128)
0.000321 JED
period 1695.740678330398
4.64
2.1844e-05
5.981e-08
d
yr
n .2122966115045673 2.7347e-09 deg/d
Q 2.906853050338495 2.4963e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      14518 days (39.75 yr)  
   first obs. used      1974-09-19  
   last obs. used      2014-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53303  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:18:14  

Additional Information
 Earth MOID = 1.64249 AU 
 T_jup = 3.329 
[ 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 12.9 mag n/a MPO256922  
diameter diameter 17.66 km 1.5 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
geometric albedo albedo 0.0430   0.008 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2

7880 (1992 OM7)          Discovered 1992-Jul-19 by Debehogne, H., Lopez G., A. at La Silla (809)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1992 OM7 = 1974 SN = 1977 FK2 = 1979 SV10 = 1995 AL1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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