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4978 Seitz (4069 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2004978
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2098684288325634 3.4578e-08  
a 2.628199288642245 7.894e-09 au
q 2.076623233276036 9.1195e-08 au
i 6.022117080241041 3.6443e-06 deg
node 155.3938384248769 3.5121e-05 deg
peri 244.5848855966456 3.6057e-05 deg
M 319.4296521921919 7.2615e-06 deg
tp 2459175.884858671393
(2020-Nov-22.38485867)
3.1348e-05 TDB
period 1556.273301397478
4.26
7.0116e-06
1.92e-08
d
yr
n .2313218376725558 1.0422e-09 deg/d
Q 3.179775344008454 9.5507e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1933  
   data-arc span      18609 days (50.95 yr)  
   first obs. used      1969-11-15  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4598  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:47:09  

Additional Information
 Earth MOID = 1.09269 au 
 Jupiter MOID = 2.26491 au 
 T_jup = 3.362 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456747.5 (2014-Mar-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2129751162079331 3.4919e-08  
q 2.067082072926499 9.2423e-08 au
tp 2456061.222303480998
(2012-May-13.72230348)
3.3203e-05 TDB
node 155.6703984694694 3.5147e-05 deg
peri 243.8052556549034 3.6015e-05 deg
i 6.022414110031035 3.649e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1933  
   data-arc span      18609 days (50.95 yr)  
   first obs. used      1969-11-15  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4598  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:47:09  

Additional Information
 Jupiter MOID = 2.26491 au 
 T_jup = 3.362 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.219356345119654E-15 -3.22040019597132E-15 -1.080414125669046E-13 7.486715195305255E-15 -3.724498733265279E-14 -1.044872762872337E-15
q -3.22040019597132E-15 8.542065401330866E-15 2.017796930221625E-13 -1.86604263996706E-14 8.260143760972521E-14 3.043144549345554E-15
tp -1.080414125669046E-13 2.017796930221625E-13 1.10240743406086E-9 -5.1122632206873E-12 2.745119736059336E-10 -3.271581955097251E-13
node 7.486715195305255E-15 -1.86604263996706E-14 -5.1122632206873E-12 1.235338154888052E-9 -1.229360910645641E-9 3.336777481516431E-11
peri -3.724498733265279E-14 8.260143760972521E-14 2.745119736059336E-10 -1.229360910645641E-9 1.297090411008352E-9 -3.32333836999182E-11
i -1.044872762872337E-15 3.043144549345554E-15 -3.271581955097251E-13 3.336777481516431E-11 -3.32333836999182E-11 1.331494007895928E-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 13.4   n/a MPO263392  
diameter diameter 5.182 km 0.556 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.345   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4978 Seitz (4069 T-2)          Discovered 1973-Sep-29 by van Houten and Gehrels at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 4069 T-2 = 1969 VA3 = 1990 QQ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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