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43720 (4301 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2043720
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06333609725678327 4.9626e-08  
a 2.740214776237266 1.7184e-08 au
q 2.566660266665028 1.3856e-07 au
i 4.465339864158395 5.5193e-06 deg
node 153.389953567973 6.8958e-05 deg
peri 270.382900270525 8.2044e-05 deg
M 146.5852738801022 4.4474e-05 deg
tp 2458525.873844865437
(2019-Feb-11.37384487)
0.00020394 TDB
period 1656.820016225447
4.54
1.5585e-05
4.267e-08
d
yr
n .2172837100436225 2.0439e-09 deg/d
Q 2.913769285809504 1.8273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      15834 days (43.35 yr)  
   first obs. used      1977-10-11  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56535  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:21:56  

Additional Information
 Earth MOID = 1.58395 au 
 Jupiter MOID = 2.27476 au 
 T_jup = 3.343 
[ 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 15.76   n/a E2021B10  
diameter diameter 5.223 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43720 (4301 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4301 T-3 = 2000 WE45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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