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71266 (2000 AC28)
Classification: Main-belt Asteroid          SPK-ID: 2071266
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0813962190881916 4.2771e-08  
a 2.875451737771707 1.7329e-08 au
q 2.64140083814652 1.2488e-07 au
i 3.177165443085951 4.3479e-06 deg
node 97.71674596757462 8.0021e-05 deg
peri 249.2024363975354 8.4305e-05 deg
M 177.4568362345504 2.8366e-05 deg
tp 2458122.594470099337
(2018-Jan-04.09447010)
0.00013817 TDB
period 1780.973883398386
4.88
1.6099e-05
4.408e-08
d
yr
n .2021365969236235 1.8272e-09 deg/d
Q 3.109502637396894 1.8739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      913  
   data-arc span      7882 days (21.58 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54185  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:43:55  

Additional Information
 Earth MOID = 1.63631 au 
 Jupiter MOID = 2.22658 au 
 T_jup = 3.289 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO333408  
rotation period rot_per 10.55 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

71266 (2000 AC28)          Discovered 2000-Jan-03 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 AC28 = 1998 SM120 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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