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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1652420806138439 3.6263e-08  
a 2.248881746603969 6.0376e-09 au
q 1.877271847740634 8.3185e-08 au
i 6.140662445907365 3.9661e-06 deg
node 13.03347553124744 3.1608e-05 deg
peri 27.18477047256014 3.3335e-05 deg
M 17.74239676276175 1.1158e-05 deg
tp 2458939.790292260371
(2020-Mar-31.29029226)
3.8087e-05 TDB
period 1231.823134072704
3.37
4.9606e-06
1.358e-08
d
yr
n .2922497475832859 1.1769e-09 deg/d
Q 2.620491645467304 7.0352e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2341  
   data-arc span      31096 days (85.14 yr)  
   first obs. used      1935-09-28  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44933  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:16:51  

Additional Information
 Earth MOID = .887084 au 
 Jupiter MOID = 2.8019 au 
 T_jup = 3.603 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456784.5 (2014-May-07.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1659636732649947 3.6388e-08  
q 1.875718953973985 8.36e-08 au
tp 2456475.086545417302
(2013-Jul-01.58654542)
3.5078e-05 TDB
node 13.11751741517806 3.1554e-05 deg
peri 26.85852735021416 3.3263e-05 deg
i 6.147163606124284 3.9691e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2341  
   data-arc span      31096 days (85.14 yr)  
   first obs. used      1935-09-28  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44933  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:16:51  

Additional Information
 Jupiter MOID = 2.8019 au 
 T_jup = 3.603 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.324101150044723E-15 -3.036947677882951E-15 -1.386940887068693E-13 -1.537407539293081E-15 -3.740333328936826E-14 -1.46420821790681E-15
q -3.036947677882951E-15 6.98888743834926E-15 3.352918690610276E-13 3.103999027830429E-15 9.122843301991994E-14 3.388140532977382E-15
tp -1.386940887068693E-13 3.352918690610276E-13 1.230435850637735E-9 -9.269335575598453E-13 3.786425593106508E-10 1.632755739226319E-13
node -1.537407539293081E-15 3.103999027830429E-15 -9.269335575598453E-13 9.956539410645545E-10 -9.894196559252223E-10 8.442100462367738E-12
peri -3.740333328936826E-14 9.122843301991994E-14 3.786425593106508E-10 -9.894196559252223E-10 1.106434806574616E-9 -8.34985085232002E-12
i -1.46420821790681E-15 3.388140532977382E-15 1.632755739226319E-13 8.442100462367738E-12 -8.34985085232002E-12 1.575384362924964E-11

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 13.2   n/a MPO296169  
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

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