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JPL Small-Body Database Browser
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20747 (2000 AM186)
Classification: Main-belt Asteroid          SPK-ID: 2020747
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1167289786814063 4.8057e-08  
a 2.672633763144487 1.3696e-08 au
q 2.360659953583187 1.2844e-07 au
i 13.76325261040583 4.0318e-06 deg
node 123.6931387178662 2.2965e-05 deg
peri 97.16981429756012 3.0816e-05 deg
M 353.5845284541667 1.8475e-05 deg
tp 2458628.940268028639
(2019-May-25.44026803)
8.1834e-05 TDB
period 1595.907084485415
4.37
1.2267e-05
3.359e-08
d
yr
n .2255770423602565 1.734e-09 deg/d
Q 2.984607572705786 1.5295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1693  
   data-arc span      14811 days (40.55 yr)  
   first obs. used      1979-01-24  
   last obs. used      2019-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44993  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:30:32  

Additional Information
 Earth MOID = 1.39946 au 
 Jupiter MOID = 2.15457 au 
 T_jup = 3.330 
[ 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 13.0   n/a MPO395202  
diameter diameter 7.247 km 0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.422 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.]
geometric albedo albedo 0.256   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

20747 (2000 AM186)          Discovered 2000-Jan-08 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 AM186 = 1979 BG2 = 1998 QG108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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