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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2592681810032896 5.2989e-08  
a 3.191664160493231 3.2111e-08 au
q 2.36416719922876 1.6839e-07 au
i 16.14832924443757 9.9373e-06 deg
node 334.7599401851709 2.1076e-05 deg
peri 73.01436159578866 2.8046e-05 deg
M 162.4226428544911 1.8117e-05 deg
tp 2456460.845324006431
(2013-Jun-17.34532401)
9.943e-05 JED
period 2082.687964021953
5.70
3.143e-05
8.605e-08
d
yr
n .1728535460995276 2.6086e-09 deg/d
Q 4.019161121757703 4.0436e-08 au
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      15564 days (42.61 yr)  
   first obs. used      1972-09-10  
   last obs. used      2015-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53698  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:00:02  

Additional Information
 Earth MOID = 1.42982 au 
 Jupiter MOID = 1.8886 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  
rotation period rot_per 5.19 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

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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