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7096 Napier (1992 VM)
Classification: Mars-crossing Asteroid          SPK-ID: 2007096
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5022042127113828 2.0682e-08  
a 2.7783661168249 9.1917e-09 au
q 1.383058948500869 5.6121e-08 au
i 11.15013087308869 5.2779e-06 deg
node 146.5026460318516 1.5304e-05 deg
peri 257.9817855382195 1.7003e-05 deg
M 67.46012919221396 4.6726e-06 deg
tp 2459079.523324895285
(2020-Aug-18.02332490)
2.2281e-05 TDB
period 1691.54142460296
4.63
8.3942e-06
2.298e-08
d
yr
n .2128236381113158 1.0561e-09 deg/d
Q 4.173673285148931 1.3808e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1358  
   data-arc span      13583 days (37.19 yr)  
   first obs. used      1984-04-01  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49239  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 15:22:15  

Additional Information
 Earth MOID = .448612 au 
 Jupiter MOID = 1.49215 au 
 T_jup = 3.113 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.16   n/a E2021B10  
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
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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