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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2587595036037648 5.3267e-08  
a 3.194405272469059 3.3138e-08 AU
q 2.367822549855717 1.7015e-07 AU
i 16.1473880990541 1.0496e-05 deg
node 334.7606419285353 2.2394e-05 deg
peri 73.1995332098485 3.0262e-05 deg
M 93.09972885396375 1.8504e-05 deg
tp 2456461.201312622396
(2013-Jun-17.70131262)
0.00010506 JED
period 2085.371567090998
5.71
3.245e-05
8.884e-08
d
yr
n .1726311059770438 2.6863e-09 deg/d
Q 4.020987995082403 4.1713e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      722  
   data-arc span      15508 days (42.46 yr)  
   first obs. used      1972-09-10  
   last obs. used      2015-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52956  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 15:32:18  

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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