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217650 (1998 QN29)
Classification: Main-belt Asteroid          SPK-ID: 2217650
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2293027403015627 1.3295e-07  
a 3.145770123389081 5.3651e-08 au
q 2.42443641373718 4.3139e-07 au
i 14.8817212912121 1.4824e-05 deg
node 313.4337423551932 6.1668e-05 deg
peri 99.81856919555482 8.6921e-05 deg
M 350.3630212941812 4.7817e-05 deg
tp 2457455.054088090207
(2016-Mar-07.55408809)
0.00027075 JED
period 2037.928308445494
5.58
5.2135e-05
1.427e-07
d
yr
n .1766499824886399 4.5192e-09 deg/d
Q 3.867103833040982 6.5954e-08 au
  Orbit Determination Parameters
   # obs. used (total)      245  
   data-arc span      6317 days (17.30 yr)  
   first obs. used      1998-08-23  
   last obs. used      2015-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .44513  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 20:57:09  

Additional Information
 Earth MOID = 1.48826 au 
 Jupiter MOID = 1.77831 au 
 T_jup = 3.117 
[ 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 15.4 mag n/a MPO214873  

217650 (1998 QN29)          Discovered 1998-Aug-23 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20090904/Numbers.arcLast Updated: 2009-09-08

[ show close-approach data ]
Alternate Designations
 1998 QN29 = 2004 RB220 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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