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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5044698231920448 9.306e-08  
a 2.774617509952616 1.9307e-08 AU
q 1.374906705281268 2.532e-07 AU
i 11.22497627352389 1.1439e-05 deg
node 148.7131308596626 3.5495e-05 deg
peri 254.9703003245951 3.8456e-05 deg
M 236.8942256256166 1.6132e-05 deg
tp 2457377.770061294649
(2015-Dec-21.27006129)
8.0961e-05 JED
period 1688.11920579834
4.62
1.762e-05
4.824e-08
d
yr
n .2132550822024147 2.2259e-09 deg/d
Q 4.174328314623964 2.9048e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      476  
   data-arc span      10611 days (29.05 yr)  
   first obs. used      1984-04-01  
   last obs. used      2013-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5993  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 15:37:34  

Additional Information
 Earth MOID = .439071 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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