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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08816675990282886 4.6734e-08  
a 3.133670350639749 3.2859e-08 au
q 2.857384789220281 1.5044e-07 au
i 22.60310838427903 1.1747e-05 deg
node 34.26472093085668 1.4766e-05 deg
peri 261.202354391157 7.2648e-05 deg
M 315.469156423398 7.3515e-05 deg
tp 2459251.132168227658
(2021-Feb-05.63216823)
0.00041491 TDB
period 2026.18170497371
5.55
3.1869e-05
8.725e-08
d
yr
n .1776740946363796 2.7945e-09 deg/d
Q 3.409955912059218 3.5756e-08 au
  Orbit Determination Parameters
   # obs. used (total)      558  
   data-arc span      15540 days (42.55 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64916  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 12:52:48  

Additional Information
 Earth MOID = 1.94358 au 
 Jupiter MOID = 1.81417 au 
 T_jup = 3.088 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456996.5 (2014-Dec-05.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08656653080257826 4.682e-08  
q 2.862845286709113 1.503e-07 au
tp 2457226.731739963523
(2015-Jul-23.23173996)
0.00041346 TDB
node 34.28863533982917 1.4763e-05 deg
peri 261.5619237064863 7.3855e-05 deg
i 22.60425252074629 1.1746e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      558  
   data-arc span      15540 days (42.55 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64916  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 12:52:48  

Additional Information
 Jupiter MOID = 1.81417 au 
 T_jup = 3.088 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.192136407494444E-15 -6.89114112884865E-15 1.964833818422638E-12 -5.01512187599695E-15 3.460173038314183E-13 5.125711530693806E-15
q -6.89114112884865E-15 2.259147978366659E-14 -3.329329873741264E-12 1.067869104263116E-14 -6.159925949575564E-13 -1.067739054252835E-14
tp 1.964833818422638E-12 -3.329329873741264E-12 1.709501106289636E-7 -1.881139658016631E-11 2.994406156949219E-8 -1.627735153239314E-11
node -5.01512187599695E-15 1.067869104263116E-14 -1.881139658016631E-11 2.179343371301441E-10 -2.036322546772022E-10 -5.594513990690056E-11
peri 3.460173038314183E-13 -6.159925949575564E-13 2.994406156949219E-8 -2.036322546772022E-10 5.454545062015737E-9 4.861283296301736E-11
i 5.125711530693806E-15 -1.067739054252835E-14 -1.627735153239314E-11 -5.594513990690056E-11 4.861283296301736E-11 1.379791836949402E-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 14.2   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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