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7096 Napier (1992 VM)
Classification: Mars-crossing Asteroid          SPK-ID: 2007096
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5043366102701824 7.3533e-08  
a 2.774816210229329 1.746e-08 AU
q 1.375374808639516 2.0006e-07 AU
i 11.22542960909304 8.4151e-06 deg
node 148.7053877371828 3.1996e-05 deg
peri 254.9709741810021 3.3857e-05 deg
M 279.5390534077388 1.4203e-05 deg
tp 2457377.839611604501
(2015-Dec-21.33961160)
6.9706e-05 JED
period 1688.300547419684
4.62
1.5935e-05
4.363e-08
d
yr
n .2132321763149377 2.0126e-09 deg/d
Q 4.174257611819143 2.6266e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      497  
   data-arc span      11073 days (30.32 yr)  
   first obs. used      1984-04-01  
   last obs. used      2014-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60104  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:09:49  

Additional Information
 Earth MOID = .440302 AU 
 T_jup = 3.112 
[ 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 15.0 mag n/a MPO259391  
diameter diameter 5.59 km 0.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
geometric albedo albedo 0.0428   0.007 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3

7096 Napier (1992 VM)          Discovered 1992-Nov-03 by McNaught, R. H. at Siding Spring (413)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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