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434294 (2004 CT21)
Classification: Main-belt Asteroid          SPK-ID: 2434294
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1296017713278913 1.6084e-07  
a 2.335304976929289 3.3743e-08 au
q 2.032645315328413 3.5777e-07 au
i 2.047162970916718 1.2144e-05 deg
node 200.9032070418564 0.0002364 deg
peri 297.9465644590712 0.00024301 deg
M 206.5921229784312 6.9217e-05 deg
tp 2459555.967934257169
(2021-Dec-07.46793426)
0.0002604 TDB
period 1303.508400057357
3.57
2.8252e-05
7.735e-08
d
yr
n .2761777369322356 5.9858e-09 deg/d
Q 2.637964638530166 3.8117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      4569 days (12.51 yr)  
   first obs. used      2004-01-30  
   last obs. used      2016-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64172  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 13:47:02  

Additional Information
 Earth MOID = 1.04686 au 
 Jupiter MOID = 2.38348 au 
 T_jup = 3.556 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456765.5 (2014-Apr-18.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .129062962563172 1.6022e-07  
q 2.034334993143719 3.5674e-07 au
tp 2456947.106043375956
(2014-Oct-16.60604338)
0.00021812 TDB
node 201.0243034451541 0.00023634 deg
peri 297.6758541604752 0.00024309 deg
i 2.046722881089453 1.2144e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      4569 days (12.51 yr)  
   first obs. used      2004-01-30  
   last obs. used      2016-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64172  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 13:47:02  

Additional Information
 Jupiter MOID = 2.38348 au 
 T_jup = 3.556 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.566995621525094E-14 -5.704095823318513E-14 2.462848660253043E-11 3.212426958766801E-14 5.578292739109028E-12 -1.721151107601375E-15
q -5.704095823318513E-14 1.27265430487571E-13 -5.292121323248873E-11 -6.888071062283655E-14 -1.190447981316453E-11 4.813636595090963E-15
tp 2.462848660253043E-11 -5.292121323248873E-11 4.757848296793167E-8 1.498512810459035E-11 1.235653631724622E-8 3.927605875124152E-12
node 3.212426958766801E-14 -6.888071062283655E-14 1.498512810459035E-11 5.585816318933578E-8 -5.581892908385987E-8 -8.842526025777103E-10
peri 5.578292739109028E-12 -1.190447981316453E-11 1.235653631724622E-8 -5.581892908385987E-8 5.909274318761941E-8 8.850219206989804E-10
i -1.721151107601375E-15 4.813636595090963E-15 3.927605875124152E-12 -8.842526025777103E-10 8.850219206989804E-10 1.474792638484587E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.6   n/a MPO386653  

434294 (2004 CT21)          Discovered 2004-Jan-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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