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85428 (1997 AN16)
Classification: Main-belt Asteroid          SPK-ID: 2085428
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1988390270141465 4.3786e-08  
a 3.166407499097651 3.3116e-08 au
q 2.536802112846777 1.4207e-07 au
i 11.0552575892611 7.6802e-06 deg
node 1.979013247291258 2.6677e-05 deg
peri 271.0313845955139 3.2764e-05 deg
M 196.9619000416555 1.8812e-05 deg
tp 2459532.541477506709
(2021-Nov-14.04147751)
0.00010961 TDB
period 2058.015469930912
5.63
3.2286e-05
8.839e-08
d
yr
n .1749257987900767 2.7442e-09 deg/d
Q 3.796012885348525 3.9701e-08 au
  Orbit Determination Parameters
   # obs. used (total)      488  
   data-arc span      8006 days (21.92 yr)  
   first obs. used      1997-01-14  
   last obs. used      2018-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64199  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:19:24  

Additional Information
 Earth MOID = 1.55119 au 
 Jupiter MOID = 1.57102 au 
 T_jup = 3.144 
[ 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 14.5   n/a MPO337902  
diameter diameter 6.266 km 0.165 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.094   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85428 (1997 AN16)          Discovered 1997-Jan-14 by Klet at Klet
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 AN16 = 1998 FT46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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