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JPL Small-Body Database Browser
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65621 (4247 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2065621
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08816675724664787 4.6847e-08  
a 3.133670347635882 3.3069e-08 au
q 2.85738479480485 1.5059e-07 au
i 22.60310874805389 1.1785e-05 deg
node 34.26472059606535 1.4823e-05 deg
peri 261.2023465616719 7.3379e-05 deg
M 315.4691654711188 7.4392e-05 deg
tp 2459251.132116944154
(2021-Feb-05.63211694)
0.0004199 TDB
period 2026.18170206033
5.55
3.2073e-05
8.781e-08
d
yr
n .1776740948918513 2.8124e-09 deg/d
Q 3.409955900466913 3.5985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      15449 days (42.30 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65033  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:42:54  

Additional Information
 Earth MOID = 1.94358 au 
 Jupiter MOID = 1.81417 au 
 T_jup = 3.088 
[ 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 14.2   n/a MPO432208  
diameter diameter 9.344 km 0.354 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65621 (4247 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4247 T-3 = 2000 XH19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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