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85854 (1999 AE13)
Classification: Main-belt Asteroid          SPK-ID: 2085854
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1770415328177511 3.2324e-08  
a 2.598599162723649 9.5602e-09 au
q 2.13853918377613 8.2792e-08 au
i 6.368954361200189 4.31e-06 deg
node 289.4590446973397 4.0358e-05 deg
peri 168.5788792459177 4.4555e-05 deg
M 145.6971201136461 1.67e-05 deg
tp 2458777.264515818722
(2019-Oct-20.76451582)
7.0715e-05 TDB
period 1530.056147515993
4.19
8.4436e-06
2.312e-08
d
yr
n .2352854832056004 1.2984e-09 deg/d
Q 3.058659141671168 1.1253e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1067  
   data-arc span      8211 days (22.48 yr)  
   first obs. used      1998-12-13  
   last obs. used      2021-06-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53845  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:51:05  

Additional Information
 Earth MOID = 1.156 au 
 Jupiter MOID = 2.10986 au 
 T_jup = 3.385 
[ 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 15.17   n/a E2021B10  
diameter diameter 2.577 km 0.720 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 46.054 h n/a LCDB (Rev. 2020-October); 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 0.292   0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85854 (1999 AE13)          Discovered 1999-Jan-07 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1999 AE13 = 2001 SC79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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