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27166 (1999 AN20)
Classification: Main-belt Asteroid          SPK-ID: 2027166
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1148686614488632 3.9561e-08  
a 2.645231235131244 1.2787e-08 au
q 2.341377063928995 1.0396e-07 au
i 2.304601991211876 4.4697e-06 deg
node 173.4139332177146 9.3494e-05 deg
peri 170.7759280386887 9.506e-05 deg
M 18.7599365248075 1.6745e-05 deg
tp 2458518.611530525326
(2019-Feb-04.11153053)
7.3019e-05 TDB
period 1571.425839948849
4.30
1.1394e-05
3.12e-08
d
yr
n .2290913073007112 1.6611e-09 deg/d
Q 2.949085406333493 1.4256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      855  
   data-arc span      10487 days (28.71 yr)  
   first obs. used      1991-03-13  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55363  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:01:09  

Additional Information
 Earth MOID = 1.33281 au 
 Jupiter MOID = 2.425 au 
 T_jup = 3.382 
[ 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 15.2   n/a MPO452550  
diameter diameter 2.223 km 0.520 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.358   0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27166 (1999 AN20)          Discovered 1999-Jan-12 by Zoltowski, F. B. at Woomera
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 AN20 = 2000 HA92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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