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JPL Small-Body Database Browser
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71447 (2000 AY239)
Classification: Main-belt Asteroid          SPK-ID: 2071447
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1035176540214532 7.6489e-08  
a 2.929130718086459 1.7438e-08 au
q 2.625913977827974 2.2894e-07 au
i 1.327080533825628 7.9175e-06 deg
node 212.1320270024715 0.0001814 deg
peri 185.4873515617263 0.0001833 deg
M 22.38121576671636 2.5112e-05 deg
tp 2458486.661875992075
(2019-Jan-03.16187599)
0.00012743 TDB
period 1831.07678644508
5.01
1.6352e-05
4.477e-08
d
yr
n .1966056271724777 1.7557e-09 deg/d
Q 3.232347458344944 1.9243e-08 au
  Orbit Determination Parameters
   # obs. used (total)      899  
   data-arc span      7425 days (20.33 yr)  
   first obs. used      1998-09-26  
   last obs. used      2019-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53242  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:49:53  

Additional Information
 Earth MOID = 1.63255 au 
 Jupiter MOID = 2.15506 au 
 T_jup = 3.269 
[ 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 15.0   n/a MPO459322  
rotation period rot_per 2.88 h n/a LCDB (Rev. 2019-January); 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

71447 (2000 AY239)          Discovered 2000-Jan-06 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 AY239 = 1998 SG138 = 1998 UO35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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