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JPL Small-Body Database Browser
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65019 (2002 AC99)
Classification: Main-belt Asteroid          SPK-ID: 2065019
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09969505889527563 5.5978e-08  
a 2.961847014384367 3.5374e-08 au
q 2.666565501846521 1.7182e-07 au
i 9.536083919332468 8.0536e-06 deg
node 322.8706067556832 4.6731e-05 deg
peri 318.9076733971739 7.0388e-05 deg
M 55.84398863920873 5.6424e-05 deg
tp 2458711.687297753501
(2019-Aug-16.18729775)
0.00029035 TDB
period 1861.840017919836
5.10
3.3354e-05
9.132e-08
d
yr
n .1933571072353545 3.4639e-09 deg/d
Q 3.257128526922212 3.89e-08 au
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      7319 days (20.04 yr)  
   first obs. used      1998-03-31  
   last obs. used      2018-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65291  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 01:51:36  

Additional Information
 Earth MOID = 1.65892 au 
 Jupiter MOID = 1.96989 au 
 T_jup = 3.237 
[ 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 14.8   n/a MPO436235  
diameter diameter 4.209 km 0.744 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.700 h n/a LCDB (Rev. 2019-August); 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 0.144   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65019 (2002 AC99)          Discovered 2002-Jan-08 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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