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JPL Small-Body Database Browser
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212323 (2005 QG157)
Classification: Outer Main-belt Asteroid          SPK-ID: 2212323
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08583740470776774 5.2544e-08  
a 3.500948812415339 4.1928e-08 au
q 3.200436452342865 1.8693e-07 au
i 9.566444116426876 6.6641e-06 deg
node 211.9049615399367 3.2523e-05 deg
peri 193.4608308047418 4.9653e-05 deg
M 358.7555794326739 3.7253e-05 deg
tp 2458608.770690093252
(2019-May-05.27069009)
0.00024763 TDB
period 2392.638398743765
6.55
4.2982e-05
1.177e-07
d
yr
n .1504615157012505 2.703e-09 deg/d
Q 3.801461172487813 4.5527e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      7391 days (20.24 yr)  
   first obs. used      1998-09-19  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57832  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:36:13  

Additional Information
 Earth MOID = 2.20965 au 
 Jupiter MOID = 1.60809 au 
 T_jup = 3.098 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO338561  

212323 (2005 QG157)          Discovered 2005-Aug-30 by NEAT at Palomar
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2005 QG157 = 1999 XP3 = 2002 GK128 = 2012 TP323 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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