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JPL Small-Body Database Browser
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108631 (2001 NG)
Classification: Main-belt Asteroid          SPK-ID: 2108631
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1254074279999242 7.3787e-08  
a 2.44603296232736 1.4816e-08 au
q 2.13928225971885 1.7264e-07 au
i 5.578616822733993 4.9578e-06 deg
node 36.74903798244485 4.339e-05 deg
peri 327.4912398866044 4.6136e-05 deg
M 278.4736122511987 1.7349e-05 deg
tp 2459316.937237212188
(2021-Apr-12.43723721)
6.8587e-05 TDB
period 1397.307160810181
3.83
1.2695e-05
3.476e-08
d
yr
n .2576384134403678 2.3408e-09 deg/d
Q 2.752783664935869 1.6674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      743  
   data-arc span      10422 days (28.53 yr)  
   first obs. used      1990-09-28  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5688  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:40:04  

Additional Information
 Earth MOID = 1.14006 au 
 Jupiter MOID = 2.70643 au 
 T_jup = 3.481 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO320256  

108631 (2001 NG)          Discovered 2001-Jul-10 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 NG = 2002 XF113 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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