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JPL Small-Body Database Browser
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215953 (2005 NR31)
Classification: Main-belt Asteroid          SPK-ID: 2215953
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1434808980191524 5.0359e-08  
a 2.739711380537798 2.7566e-08 au
q 2.346615131344942 1.3525e-07 au
i 4.499240473619654 7.5146e-06 deg
node 109.3931066011139 7.6034e-05 deg
peri 129.9274815348396 8.1281e-05 deg
M 63.73882005977951 2.8144e-05 deg
tp 2458307.237072074069
(2018-Jul-07.73707207)
0.000128 TDB
period 1656.363483891271
4.53
2.4999e-05
6.844e-08
d
yr
n .2173435984921964 3.2802e-09 deg/d
Q 3.132807629730653 3.1521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      7042 days (19.28 yr)  
   first obs. used      2000-05-27  
   last obs. used      2019-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5903  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:04:20  

Additional Information
 Earth MOID = 1.33717 au 
 Jupiter MOID = 1.88431 au 
 T_jup = 3.331 
[ 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 16.5   n/a MPO302911  

215953 (2005 NR31)          Discovered 2005-Jul-04 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2005 NR31 = 2004 FM89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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