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52581 (1997 NB1)
Classification: Main-belt Asteroid          SPK-ID: 2052581
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1658946860407305 3.9728e-08  
a 2.389314813730657 7.7112e-09 au
q 1.992940182854343 9.4083e-08 au
i 2.555089592663073 5.0776e-06 deg
node 38.8185641333912 7.113e-05 deg
peri 205.4464045736998 7.2299e-05 deg
M 156.736776608002 1.387e-05 deg
tp 2458613.177145776578
(2019-May-09.67714578)
5.1167e-05 TDB
period 1348.989255082316
3.69
6.5305e-06
1.788e-08
d
yr
n .2668664695761662 1.2919e-09 deg/d
Q 2.785689444606971 8.9904e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1336  
   data-arc span      9571 days (26.20 yr)  
   first obs. used      1994-10-28  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51685  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:46:20  

Additional Information
 Earth MOID = .978714 au 
 Jupiter MOID = 2.23277 au 
 T_jup = 3.513 
[ 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 15.06   n/a MPCxxxxx  

52581 (1997 NB1)          Discovered 1997-Jul-03 by Farra d'Isonzo at Farra d'Isonzo
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 NB1 = 2000 CX84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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