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46631 (1994 TQ3)
Classification: Main-belt Asteroid          SPK-ID: 2046631
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1190919875441905 4.5989e-08  
a 2.533301384724679 8.7521e-09 au
q 2.231605487769367 1.1725e-07 au
i 12.92081680038249 4.1776e-06 deg
node 19.31609007382486 1.3759e-05 deg
peri 323.7923484365472 1.9405e-05 deg
M 167.1398143848627 1.436e-05 deg
tp 2458316.736156132440
(2018-Jul-17.23615613)
5.7587e-05 TDB
period 1472.748935962772
4.03
7.6322e-06
2.09e-08
d
yr
n .2444408488162711 1.2668e-09 deg/d
Q 2.83499728167999 9.7945e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2439  
   data-arc span      18051 days (49.42 yr)  
   first obs. used      1970-11-26  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46289  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:34:30  

Additional Information
 Earth MOID = 1.23869 au 
 Jupiter MOID = 2.62853 au 
 T_jup = 3.404 
[ 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 13.5   n/a MPO502466  
diameter diameter 12.437 km 2.758 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.051   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

46631 (1994 TQ3)          Discovered 1994-Oct-05 by Endate, K., Watanabe, K. at Kitami
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 TQ3 = 1970 WU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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