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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2054851911517664 9.9459e-08  
a 2.272175391825547 1.7969e-08 AU
q 1.805276997105935 2.2251e-07 AU
i 2.36344902951848 7.5169e-06 deg
node 276.7718805434722 0.00023648 deg
peri 68.09517502080114 0.00023697 deg
M 293.9062520330631 1.8636e-05 deg
tp 2457030.177834168358
(2015-Jan-07.67783417)
6.6106e-05 JED
period 1251.011220334658
3.43
1.484e-05
4.063e-08
d
yr
n .2877672031620119 3.4136e-09 deg/d
Q 2.73907378654516 2.1661e-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      .62753  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-06 13:59:48  

Additional Information
 Earth MOID = .798124 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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