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85480 (1997 NB8)
Classification: Main-belt Asteroid          SPK-ID: 2085480
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2054523457890078 9.318e-08  
a 2.272201893861058 1.6867e-08 AU
q 1.805372684661077 2.0848e-07 AU
i 2.363324829442814 6.9274e-06 deg
node 276.7700598104803 0.00022153 deg
peri 68.0800754470835 0.00022204 deg
M 351.4692805082128 1.7203e-05 deg
tp 2457030.145034765849
(2015-Jan-07.64503477)
5.9938e-05 JED
period 1251.033107580189
3.43
1.393e-05
3.814e-08
d
yr
n .2877621685778803 3.2042e-09 deg/d
Q 2.739031103061038 2.0332e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      7733 days (21.17 yr)  
   first obs. used      1992-01-01  
   last obs. used      2013-03-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62478  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 16:34:29  

Additional Information
 Earth MOID = .799917 AU 
 T_jup = 3.582 
[ 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 16.1 mag n/a MPO257390  

85480 (1997 NB8)          Discovered 1997-Jul-09 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 NB8 = 2001 VD32 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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