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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1990133372949813 4.3446e-08  
a 3.165236722119915 3.1912e-08 au
q 2.535312398722203 1.4168e-07 au
i 11.05774354234141 7.4112e-06 deg
node 1.961814913325165 2.633e-05 deg
peri 271.1602019657034 3.2043e-05 deg
M 266.8174274257701 1.8744e-05 deg
tp 2459532.902291191763
(2021-Nov-14.40229119)
0.0001088 TDB
period 2056.874150757676
5.63
3.1106e-05
8.516e-08
d
yr
n .1750228616891264 2.6468e-09 deg/d
Q 3.795161045517627 3.8262e-08 au
  Orbit Determination Parameters
   # obs. used (total)      528  
   data-arc span      8421 days (23.06 yr)  
   first obs. used      1997-01-14  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:32:13  

Additional Information
 Earth MOID = 1.55017 au 
 Jupiter MOID = 1.57298 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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