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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1112031432877533 8.419e-08  
a 2.588269387812987 2.785e-08 AU
q 2.300445696212714 2.1395e-07 AU
i 12.08844126230728 1.1387e-05 deg
node 267.7280617345687 3.8575e-05 deg
peri 288.8159942087194 6.6041e-05 deg
M 76.92912483186936 4.8606e-05 deg
tp 2456675.486850879420
(2014-Jan-17.98685088)
0.00020596 JED
period 1520.941957147255
4.16
2.4548e-05
6.721e-08
d
yr
n .2366954230621868 3.8203e-09 deg/d
Q 2.87609307941326 3.0947e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      224  
   data-arc span      5373 days (14.71 yr)  
   first obs. used      1999-10-14  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60489  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 14:44:13  

Additional Information
 Earth MOID = 1.3309 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 15.1 mag n/a MPO299584  

99835 (2002 NQ20)          Discovered 2002-Jul-09 by LINEAR at Socorro (704)
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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