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27278 (2000 AU61)
Classification: Main-belt Asteroid          SPK-ID: 2027278
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1599685636384617 4.7397e-08  
a 2.566966093704247 1.3434e-08 au
q 2.156332214785746 1.1808e-07 au
i 6.623863473344262 3.9605e-06 deg
node 308.6402966471362 4.5775e-05 deg
peri 292.084102306655 4.8171e-05 deg
M 248.5979283260914 1.5155e-05 deg
tp 2459465.357017721748
(2021-Sep-07.85701772)
6.286e-05 TDB
period 1502.20300094315
4.11
1.1792e-05
3.228e-08
d
yr
n .239648036765987 1.8812e-09 deg/d
Q 2.977599972622748 1.5583e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1738  
   data-arc span      10162 days (27.82 yr)  
   first obs. used      1992-04-07  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43734  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:00:17  

Additional Information
 Earth MOID = 1.15418 au 
 Jupiter MOID = 2.09486 au 
 T_jup = 3.404 
[ 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 13.2   n/a PDS3 (MPO 14612)  
diameter diameter 5.507 km 0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.780 h n/a LCDB (Rev. 2019-August); 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 0.306   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27278 (2000 AU61)          Discovered 2000-Jan-04 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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