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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08901181776907384 4.5059e-08  
a 3.136553960024448 3.0648e-08 au
q 2.857363590511885 1.4851e-07 au
i 22.59777648670038 1.053e-05 deg
node 34.17940497027102 1.357e-05 deg
peri 260.9317255809591 6.1325e-05 deg
M 26.08717639669215 5.9804e-05 deg
tp 2459249.471290293084
(2021-Feb-03.97129029)
0.00033682 TDB
period 2028.979092624272
5.56
2.9738e-05
8.142e-08
d
yr
n .1774291323694113 2.6005e-09 deg/d
Q 3.415744329537011 3.3376e-08 au
  Orbit Determination Parameters
   # obs. used (total)      614  
   data-arc span      15612 days (42.74 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63562  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:15:53  

Additional Information
 Earth MOID = 1.94324 au 
 Jupiter MOID = 1.80735 au 
 T_jup = 3.087 
[ 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 14.28   n/a E2021B10  
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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