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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2049278247451011 8.8397e-08  
a 2.272776368379598 1.5644e-08 au
q 1.807021251075497 1.9598e-07 au
i 2.36206894931562 6.8301e-06 deg
node 276.7401087019219 0.00016764 deg
peri 68.17722244152762 0.00016825 deg
M 164.0774069407989 1.8069e-05 deg
tp 2457030.099670658118
(2015-Jan-07.59967066)
5.9215e-05 JED
period 1251.507580426158
3.43
1.2922e-05
3.538e-08
d
yr
n .2876530718874386 2.97e-09 deg/d
Q 2.7385314856837 1.885e-08 au
  Orbit Determination Parameters
   # obs. used (total)      496  
   data-arc span      8858 days (24.25 yr)  
   first obs. used      1992-01-01  
   last obs. used      2016-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58545  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 15:30:34  

Additional Information
 Earth MOID = .800309 au 
 Jupiter MOID = 2.66633 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 16.2 mag n/a MPO366213  

85480 (1997 NB8)          Discovered 1997-Jul-09 by BAO Schmidt CCD Asteroid Program at Xinglong
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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