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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04451751652218849 5.8064e-08  
a 2.782962427121308 2.4418e-08 AU
q 2.659071851291306 1.6655e-07 AU
i 3.269205417481189 6.1647e-06 deg
node 292.2053537339403 0.00010363 deg
peri 6.027658868452971 0.00012688 deg
M 249.3756581258497 7.3706e-05 deg
tp 2457321.583882742102
(2015-Oct-26.08388274)
0.00034921 JED
period 1695.740689698885
4.64
2.2318e-05
6.11e-08
d
yr
n .2122966100813006 2.7941e-09 deg/d
Q 2.906853002951311 2.5505e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1073  
   data-arc span      13527 days (37.03 yr)  
   first obs. used      1977-03-26  
   last obs. used      2014-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53216  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:53:33  

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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