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4296 van Woerkom (1935 SA2)
Classification: Main-belt Asteroid          SPK-ID: 2004296
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1653683489840865 1.8806e-08  
a 2.249162031604137 5.1724e-09 au
q 1.877221819840067 4.3237e-08 au
i 6.140644013978055 6.5237e-07 deg
node 13.027974861839 4.1221e-06 deg
peri 27.1991730531136 5.925e-06 deg
M 76.16813377484866 5.4391e-06 deg
tp 2458939.824415335876
(2020-Mar-31.32441534)
1.8213e-05 TDB
period 1232.053430066738
3.37
4.25e-06
1.164e-08
d
yr
n .2921951201259992 1.0079e-09 deg/d
Q 2.621102243368207 6.0277e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2672  
   data-arc span      31222 days (85.48 yr)  
   first obs. used      1935-09-28  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43076  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:32:28  

Additional Information
 Earth MOID = .885988 au 
 Jupiter MOID = 2.80222 au 
 T_jup = 3.603 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457165.5 (2015-May-23.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1660416143344959 1.8856e-08  
q 1.875148911420714 4.3353e-08 au
tp 2457706.279185629332
(2016-Nov-13.77918563)
1.6726e-05 TDB
node 13.11195179904484 4.1129e-06 deg
peri 26.75447054995632 5.8979e-06 deg
i 6.147957150758401 6.5308e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2672  
   data-arc span      31222 days (85.48 yr)  
   first obs. used      1935-09-28  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43076  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:32:28  

Additional Information
 Jupiter MOID = 2.80222 au 
 T_jup = 3.603 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.55539702939377E-16 -8.135292560227372E-16 -9.529363523849019E-14 9.818067517411386E-16 -1.07166296109787E-14 3.108787609918686E-16
q -8.135292560227372E-16 1.879473948100252E-15 2.298193228292249E-13 -3.24739676234423E-15 2.641247747626385E-14 -8.692201786134474E-16
tp -9.529363523849019E-14 2.298193228292249E-13 2.797604284078642E-10 -1.306788832897418E-11 7.138426891339723E-11 -2.447865889201537E-12
node 9.818067517411386E-16 -3.24739676234423E-15 -1.306788832897418E-11 1.691627127683887E-11 -1.93761020008234E-11 2.562352424963485E-12
peri -1.07166296109787E-14 2.641247747626385E-14 7.138426891339723E-11 -1.93761020008234E-11 3.478487291751904E-11 -3.075297446583995E-12
i 3.108787609918686E-16 -8.692201786134474E-16 -2.447865889201537E-12 2.562352424963485E-12 -3.075297446583995E-12 4.265177546002063E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.32   n/a MPCxxxxx  
rotation period rot_per 2.80868 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Odden, C.E.; Pravec, P.; Pilcher, F.; Klinglesmith, D.A.; Benishek, V. (2017) CBET 4342.]
[Odden, C.E.; Caso, M.; Dettorre, C.; Dial, P.J. (2017) Minor Planet Bull. 44, 242-243.]

4296 van Woerkom (1935 SA2)          Discovered 1935-Sep-28 by van Gent, H. at Johannesburg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1935 SA2 = 1972 TE5 = 1979 WB3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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