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JPL Small-Body Database Browser
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46492 (1023 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2046492
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1016842707076294 3.4134e-08  
a 2.284920383831763 9.0603e-09 au
q 2.052579920976834 7.8759e-08 au
i 5.899128116194349 3.9726e-06 deg
node 273.0907993901083 4.0028e-05 deg
peri 292.2919107890724 4.5389e-05 deg
M 295.6192842968983 2.1765e-05 deg
tp 2459226.109994255289
(2021-Jan-11.60999426)
7.658e-05 TDB
period 1261.551647025122
3.45
7.5036e-06
2.054e-08
d
yr
n .2853628710714458 1.6973e-09 deg/d
Q 2.517260846686693 9.9816e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1149  
   data-arc span      15955 days (43.68 yr)  
   first obs. used      1976-05-21  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52941  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:28:54  

Additional Information
 Earth MOID = 1.05629 au 
 Jupiter MOID = 2.47714 au 
 T_jup = 3.589 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO359049  
diameter diameter 2.184 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.406   0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46492 (1023 T-3)          Discovered 1977-Oct-17 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1023 T-3 = 2000 JH74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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