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27172 (1999 AN34)
Classification: Main-belt Asteroid          SPK-ID: 2027172
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08736520115933157 4.5057e-08  
a 2.593067077130545 1.3447e-08 au
q 2.366523250317395 1.1735e-07 au
i 13.28813586933441 4.56e-06 deg
node 264.6391560370691 2.1403e-05 deg
peri 232.4801606771366 3.4401e-05 deg
M 251.1977314748284 2.8308e-05 deg
tp 2459061.450726048492
(2020-Jul-30.95072605)
0.00012108 TDB
period 1525.172807762424
4.18
1.1864e-05
3.248e-08
d
yr
n .2360388266613242 1.836e-09 deg/d
Q 2.819610903943695 1.4622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1290  
   data-arc span      8183 days (22.40 yr)  
   first obs. used      1997-07-03  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47049  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:01:09  

Additional Information
 Earth MOID = 1.40532 au 
 Jupiter MOID = 2.35877 au 
 T_jup = 3.375 
[ 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 13.4   n/a MPO319421  
diameter diameter 5.828 km 0.223 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.890 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.249   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27172 (1999 AN34)          Discovered 1999-Jan-15 by LONEOS at Anderson Mesa
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 AN34 = 2000 JV83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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