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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .202806159574326 4.3065e-08  
a 3.126144183782815 2.5541e-08 au
q 2.492142887594206 1.3251e-07 au
i 14.65117365239175 4.7927e-06 deg
node 277.1666678589667 1.8784e-05 deg
peri 312.457284697325 2.2117e-05 deg
M 210.2861758198109 1.4182e-05 deg
tp 2460040.097886879425
(2023-Apr-05.59788688)
8.3687e-05 TDB
period 2018.886638770322
5.53
2.4742e-05
6.774e-08
d
yr
n .1783161040776769 2.1853e-09 deg/d
Q 3.760145479971424 3.0721e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1621  
   data-arc span      9929 days (27.18 yr)  
   first obs. used      1994-01-02  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47238  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:50:46  

Additional Information
 Earth MOID = 1.50501 au 
 Jupiter MOID = 1.46678 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 13.16   n/a E2021B10  
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. 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 0.213   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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