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29423 (1997 AF22)
Classification: Main-belt Asteroid          SPK-ID: 2029423
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2587595068468336 5.3117e-08  
a 3.194405269193451 3.2858e-08 AU
q 2.367822537068027 1.694e-07 AU
i 16.14739140935545 1.0271e-05 deg
node 334.7606337396344 2.1744e-05 deg
peri 73.19954617643199 2.9163e-05 deg
M 93.09972561390015 1.8092e-05 deg
tp 2456461.201332220620
(2013-Jun-17.70133222)
0.00010238 JED
period 2085.371563883425
5.71
3.2175e-05
8.809e-08
d
yr
n .172631106242573 2.6635e-09 deg/d
Q 4.020988001318875 4.136e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      755  
   data-arc span      15534 days (42.53 yr)  
   first obs. used      1972-09-10  
   last obs. used      2015-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54047  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:30:09  

Additional Information
 Earth MOID = 1.4345 AU 
 T_jup = 3.083 
[ 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 12.8 mag n/a MPO319448  

29423 (1997 AF22)          Discovered 1997-Jan-09 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 AF22 = 1972 RD1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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