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99835 (2002 NQ20)
Classification: Main-belt Asteroid          SPK-ID: 2099835
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1114818022295142 8.0971e-08  
a 2.587979322384267 2.5842e-08 au
q 2.299466723392152 2.0242e-07 au
i 12.08821169260598 8.2973e-06 deg
node 267.708221420805 3.7124e-05 deg
peri 288.9473863400971 5.2086e-05 deg
M 218.8035038753873 3.7177e-05 deg
tp 2458196.932154384344
(2018-Mar-19.43215438)
0.00015962 JED
period 1520.686288056802
4.16
2.2777e-05
6.236e-08
d
yr
n .2367352180573834 3.5458e-09 deg/d
Q 2.876491921376382 2.8723e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      5869 days (16.07 yr)  
   first obs. used      1999-10-14  
   last obs. used      2015-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55507  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 19:07:40  

Additional Information
 Earth MOID = 1.32808 au 
 Jupiter MOID = 2.22819 au 
 T_jup = 3.381 
[ 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 15.2 mag n/a MPO348125  

99835 (2002 NQ20)          Discovered 2002-Jul-09 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Alternate Designations
 2002 NQ20 = 2001 BR53 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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