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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04461182985809142 5.4623e-08  
a 2.783114291750636 2.2976e-08 AU
q 2.658954470491434 1.5757e-07 AU
i 3.26918655407076 5.8174e-06 deg
node 292.203928406293 9.5062e-05 deg
peri 5.95851919024022 0.00011505 deg
M 291.9146939068705 6.4944e-05 deg
tp 2457321.234651419936
(2015-Oct-25.73465142)
0.00030681 JED
period 1695.879494956525
4.64
2.1001e-05
5.75e-08
d
yr
n .2122792339140988 2.6287e-09 deg/d
Q 2.907274113009838 2.4001e-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 = 1.6443 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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