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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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2054851918716425 9.3156e-08  
a 2.272175389446453 1.6771e-08 AU
q 1.805276993580025 2.0849e-07 AU
i 2.363445777993311 6.9275e-06 deg
node 276.7718522773235 0.00022152 deg
peri 68.09517850243303 0.00022202 deg
M 293.9062681529393 1.6915e-05 deg
tp 2457030.177777790558
(2015-Jan-07.67777779)
5.9932e-05 JED
period 1251.01121836984
3.43
1.3851e-05
3.792e-08
d
yr
n .2877672036139743 3.186e-09 deg/d
Q 2.739073785312882 2.0217e-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 = .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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