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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2052531034322441 9.1624e-08  
a 2.27199631835448 1.6456e-08 au
q 1.805662023025591 2.0429e-07 au
i 2.363209024505788 6.8935e-06 deg
node 276.7652563664602 0.00020605 deg
peri 68.08583995929628 0.00020657 deg
M 106.5995794674743 1.7821e-05 deg
tp 2457030.106930042529
(2015-Jan-07.60693004)
5.9817e-05 JED
period 1250.863332208312
3.42
1.359e-05
3.721e-08
d
yr
n .2878012255459156 3.1268e-09 deg/d
Q 2.73833061368337 1.9833e-08 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      8754 days (23.97 yr)  
   first obs. used      1992-01-01  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60876  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 16:15:51  

Additional Information
 Earth MOID = .797826 au 
 Jupiter MOID = 2.66567 au 
 T_jup = 3.583 
[ 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
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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