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56649 (2000 KD42)
Classification: Main-belt Asteroid          SPK-ID: 2056649
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1431612431462899 4.1701e-08  
a 2.336709338465318 8.1962e-09 au
q 2.002183124699078 9.8763e-08 au
i 5.579103996979029 3.5563e-06 deg
node 140.4309072422863 4.4804e-05 deg
peri 69.60590921650696 4.6306e-05 deg
M 305.9727206031429 1.3941e-05 deg
tp 2459396.301523246185
(2021-Jun-30.80152325)
5.0997e-05 TDB
period 1304.6843956523
3.57
6.8645e-06
1.879e-08
d
yr
n .2759288002521189 1.4518e-09 deg/d
Q 2.671235552231558 9.3696e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1087  
   data-arc span      8070 days (22.09 yr)  
   first obs. used      1998-12-15  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5281  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 05:37:50  

Additional Information
 Earth MOID = 1.00453 au 
 Jupiter MOID = 2.30098 au 
 T_jup = 3.547 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456957.5 (2014-Oct-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1431765813982561 4.1731e-08  
q 2.001969763691225 9.8808e-08 au
tp 2456787.767823255195
(2014-May-10.26782326)
4.6237e-05 TDB
node 140.4704468233565 4.4803e-05 deg
peri 69.70392899840098 4.6305e-05 deg
i 5.579169291945975 3.5568e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1087  
   data-arc span      8070 days (22.09 yr)  
   first obs. used      1998-12-15  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5281  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 05:37:50  

Additional Information
 Jupiter MOID = 2.30098 au 
 T_jup = 3.547 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.741492685626864E-15 -4.113295550706788E-15 -2.763241771891137E-13 -1.589463426521333E-15 -4.731516010913695E-14 8.611102047059116E-16
q -4.113295550706788E-15 9.7630811261984E-15 7.155173043740578E-13 4.197040179440145E-15 1.268000470088727E-13 -1.942753921616832E-15
tp -2.763241771891137E-13 7.155173043740578E-13 2.137842796060642E-9 1.70272712367075E-13 5.640457626313103E-10 9.610736799002714E-13
node -1.589463426521333E-15 4.197040179440145E-15 1.70272712367075E-13 2.007281023812686E-9 -1.997177939708938E-9 2.901766543448462E-11
peri -4.731516010913695E-14 1.268000470088727E-13 5.640457626313103E-10 -1.997177939708938E-9 2.144140521444666E-9 -2.861807385954028E-11
i 8.611102047059116E-16 -1.942753921616832E-15 9.610736799002714E-13 2.901766543448462E-11 -2.861807385954028E-11 1.26506067875275E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO302372  
diameter diameter 2.518 km 0.198 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.306   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56649 (2000 KD42)          Discovered 2000-May-27 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 KD42 = 2001 SG177 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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