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

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2049026718072329 5.2877e-08  
a 2.272000438914874 8.2311e-09 au
q 1.806461478634011 1.17e-07 au
i 2.363142587141222 3.662e-06 deg
node 276.5699288984314 0.000108 deg
peri 68.59068255496665 0.00010852 deg
M 206.5023857991329 1.3077e-05 deg
tp 2459533.847387564739
(2021-Nov-15.34738756)
4.742e-05 TDB
period 1250.866735114515
3.42
6.7976e-06
1.861e-08
d
yr
n .2878004426003404 1.564e-09 deg/d
Q 2.737539399195738 9.9177e-09 au
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      10343 days (28.32 yr)  
   first obs. used      1992-01-01  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58449  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:37:21  

Additional Information
 Earth MOID = .800698 au 
 Jupiter MOID = 2.67913 au 
 T_jup = 3.583 
[ 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 16.1   n/a MPO453285  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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