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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1110997593750953 1.0555e-07  
a 2.587896413201922 4.327e-08 AU
q 2.300381744407516 2.7806e-07 AU
i 12.08908089077364 1.4963e-05 deg
node 267.7281494069665 5.6831e-05 deg
peri 288.7686054477202 9.2434e-05 deg
M 29.63720818790081 7.4427e-05 deg
tp 2456675.314637870669
(2014-Jan-17.81463787)
0.00031362 JED
period 1520.613212986683
4.16
3.8137e-05
1.044e-07
d
yr
n .236746594679993 5.9377e-09 deg/d
Q 2.875411081996328 4.8077e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      5233 days (14.33 yr)  
   first obs. used      1999-10-14  
   last obs. used      2014-02-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60051  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 19:59:01  

Additional Information
 Earth MOID = 1.32985 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 15.0 mag n/a MPO253935  

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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