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447172 (2005 NQ76)
Classification: Mars-crossing Asteroid          SPK-ID: 2447172
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2335569237361481 7.4129e-08  
a 2.170983689878097 9.9949e-09 au
q 1.663935417788817 1.5703e-07 au
i 5.105266531313498 7.3203e-06 deg
node 145.6784518304532 9.3491e-05 deg
peri 172.221964978939 9.6517e-05 deg
M 223.7591237088349 2.3692e-05 deg
tp 2459442.668902354804
(2021-Aug-16.16890235)
7.8598e-05 TDB
period 1168.377723199157
3.20
8.0686e-06
2.209e-08
d
yr
n .3081195343354179 2.1278e-09 deg/d
Q 2.678031961967378 1.2329e-08 au
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      5858 days (16.04 yr)  
   first obs. used      2002-10-04  
   last obs. used      2018-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60918  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:29:41  

Additional Information
 Earth MOID = .650923 au 
 Jupiter MOID = 2.63328 au 
 T_jup = 3.648 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.6   n/a MPO460661  

447172 (2005 NQ76)          Discovered 2005-Jul-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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