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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08861418919596457 4.5171e-08  
a 3.135387864705665 2.9828e-08 au
q 2.857548011259905 1.4841e-07 au
i 22.59652923941216 1.0529e-05 deg
node 34.24141013676839 1.3578e-05 deg
peri 261.0607857759782 6.1513e-05 deg
M 351.152487486315 5.9951e-05 deg
tp 2459250.337244401150
(2021-Feb-04.83724440)
0.00033775 TDB
period 2027.84770936045
5.55
2.8938e-05
7.923e-08
d
yr
n .1775281241970277 2.5334e-09 deg/d
Q 3.413227718151424 3.2472e-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 = 1.942 au 
 Jupiter MOID = 1.81049 au 
 T_jup = 3.087 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457155.5 (2015-May-13.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08667151369692398 4.5193e-08  
q 2.862939717828762 1.4812e-07 au
tp 2457226.429851440732
(2015-Jul-22.92985144)
0.00034384 TDB
node 34.28410039277803 1.3575e-05 deg
peri 261.5031290589302 6.277e-05 deg
i 22.60282593975805 1.0529e-05 deg
  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
 Jupiter MOID = 1.81049 au 
 T_jup = 3.087 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.04238371426325E-15 -6.578587223976998E-15 -7.643063983203937E-13 1.234704366768019E-15 -1.188092609814381E-13 2.673760787711143E-16
q -6.578587223976998E-15 2.193902418896247E-14 2.341892451950929E-12 -8.005742086018133E-15 3.549368303750688E-13 4.063452415166639E-15
tp -7.643063983203937E-13 2.341892451950929E-12 1.182237376025012E-7 -6.936042526794802E-11 2.10901155374234E-8 4.650726392798376E-11
node 1.234704366768019E-15 -8.005742086018133E-15 -6.936042526794802E-11 1.842883323478237E-10 -1.817888537542516E-10 -2.650776623857032E-11
peri -1.188092609814381E-13 3.549368303750688E-13 2.10901155374234E-8 -1.817888537542516E-10 3.940058496549466E-9 3.268252984970154E-11
i 2.673760787711143E-16 4.063452415166639E-15 4.650726392798376E-11 -2.650776623857032E-11 3.268252984970154E-11 1.108702625195902E-10

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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