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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04497338655782351 5.4371e-08  
a 2.784181286397122 2.3031e-08 au
q 2.658967225156926 1.5694e-07 au
i 3.268452023437335 5.7885e-06 deg
node 292.1976118175975 9.4982e-05 deg
peri 5.685065659037248 0.00011466 deg
M 59.50298749443188 6.4688e-05 deg
tp 2457320.033521029293
(2015-Oct-24.53352103)
0.00030411 JED
period 1696.854841765765
4.65
2.1055e-05
5.765e-08
d
yr
n .2121572164802148 2.6324e-09 deg/d
Q 2.909395347637318 2.4066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1151  
   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      .52615  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:26:46  

Additional Information
 Earth MOID = 1.64278 au 
 Jupiter MOID = 2.18633 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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