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14946 (1996 AN2)
Classification: Main-belt Asteroid          SPK-ID: 2014946
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1320262840826615 3.1659e-08  
a 2.318321778168698 6.9184e-09 au
q 2.012242368489177 7.3027e-08 au
i 6.10314405960051 3.5498e-06 deg
node 119.529493054989 4.1245e-05 deg
peri .4823039115973996 4.5e-05 deg
M 25.66623277877409 1.929e-05 deg
tp 2459108.578177297555
(2020-Sep-16.07817730)
6.8906e-05 TDB
period 1289.314893155919
3.53
5.7714e-06
1.58e-08
d
yr
n .2792180575210844 1.2499e-09 deg/d
Q 2.62440118784822 7.8318e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1213  
   data-arc span      11782 days (32.26 yr)  
   first obs. used      1988-12-11  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53502  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:43:14  

Additional Information
 Earth MOID = 1.02814 au 
 Jupiter MOID = 2.44324 au 
 T_jup = 3.560 
[ 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 15.1   n/a MPO502283  
diameter diameter 2.380 km 0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.148 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.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.342   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14946 (1996 AN2)          Discovered 1996-Jan-13 by Kobayashi, T. at Oizumi
Reference: 20000523/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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