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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2098684330553766 3.4932e-08  
a 2.628199292706831 1.0154e-08 au
q 2.076623225389199 9.1562e-08 au
i 6.022118952808922 4.0389e-06 deg
node 155.3938249248527 3.7889e-05 deg
peri 244.5849018761963 3.899e-05 deg
M 319.4296472380399 1.0683e-05 deg
tp 2459175.884880494956
(2020-Nov-22.38488049)
4.6623e-05 TDB
period 1556.27330500771
4.26
9.0187e-06
2.469e-08
d
yr
n .231321837135937 1.3405e-09 deg/d
Q 3.179775360024463 1.2285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1797  
   data-arc span      18573 days (50.85 yr)  
   first obs. used      1969-11-15  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 15:56:09  

Additional Information
 Earth MOID = 1.09269 au 
 Jupiter MOID = 2.26491 au 
 T_jup = 3.362 
[ show covariance matrix ]

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

[ show close-approach data ]
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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