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43646 (2002 ER73)
Classification: Main-belt Asteroid          SPK-ID: 2043646
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0240577912264714 3.7579e-08  
a 2.801474185235122 1.598e-08 au
q 2.734076904160386 1.0348e-07 au
i 7.732122915119999 5.9496e-06 deg
node 202.8697244496838 3.0107e-05 deg
peri 258.7418327229221 0.00014564 deg
M 83.16658717458658 0.00013943 deg
tp 2458804.837634051238
(2019-Nov-17.33763405)
0.00066424 TDB
period 1712.688431503652
4.69
1.4654e-05
4.012e-08
d
yr
n .2101958496233542 1.7985e-09 deg/d
Q 2.868871466309857 1.6364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      938  
   data-arc span      11110 days (30.42 yr)  
   first obs. used      1990-10-17  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51675  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:26:28  

Additional Information
 Earth MOID = 1.76345 au 
 Jupiter MOID = 2.16086 au 
 T_jup = 3.311 
[ 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 14.87   n/a MPCxxxxx  
diameter diameter 3.161 km 1.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.233   0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43646 (2002 ER73)          Discovered 2002-Mar-13 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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