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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04485570755948942 5.457e-08  
a 2.783968222773227 2.301e-08 au
q 2.6590913583176 1.5749e-07 au
i 3.268794674942024 5.8171e-06 deg
node 292.2042471674181 9.5068e-05 deg
peri 5.717868881052485 0.0001149 deg
M 17.04077413235093 6.4887e-05 deg
tp 2457320.187775195741
(2015-Oct-24.68777520)
0.00030558 JED
period 1696.660063972373
4.65
2.1034e-05
5.759e-08
d
yr
n .2121815722809764 2.6305e-09 deg/d
Q 2.908845087228854 2.4042e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1143  
   data-arc span      14878 days (40.73 yr)  
   first obs. used      1974-09-19  
   last obs. used      2015-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52569  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:58:01  

Additional Information
 Earth MOID = 1.64143 au 
 Jupiter MOID = 2.18578 au 
 T_jup = 3.328 
[ 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
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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