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46616 (1994 AM)
Classification: Main-belt Asteroid          SPK-ID: 2046616
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2035180975428093 4.6214e-08  
a 3.124154418086527 2.795e-08 au
q 2.488332454487594 1.3945e-07 au
i 14.65212373266773 5.0238e-06 deg
node 277.1652283857009 2.2139e-05 deg
peri 312.4044026902853 2.6031e-05 deg
M 103.2943022363217 1.4628e-05 deg
tp 2458021.776617318863
(2017-Sep-25.27661732)
8.1643e-05 TDB
period 2016.959437787364
5.52
2.7067e-05
7.411e-08
d
yr
n .1784864847827211 2.3952e-09 deg/d
Q 3.759976381685459 3.3639e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1366  
   data-arc span      9433 days (25.83 yr)  
   first obs. used      1994-01-02  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48501  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:28:01  

Additional Information
 Earth MOID = 1.50255 au 
 Jupiter MOID = 1.46771 au 
 T_jup = 3.133 
[ 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 13.1   n/a MPO400454  
diameter diameter 7.567 km 0.468 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.524 h n/a LCDB (Rev. 2019-January); 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 0.213   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46616 (1994 AM)          Discovered 1994-Jan-02 by Kobayashi, T. at Oizumi
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 AM = 1998 XV32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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