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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2098944132922161 3.4382e-08  
a 2.628139411099931 7.4885e-09 au
q 2.076507631356961 9.0659e-08 au
i 6.022223823889399 3.1986e-06 deg
node 155.3939543465338 3.4811e-05 deg
peri 244.6197718236257 3.5712e-05 deg
M 5.672525488746579 6.5585e-06 deg
tp 2459175.978615881932
(2020-Nov-22.47861588)
2.8372e-05 TDB
period 1556.220117479824
4.26
6.6513e-06
1.821e-08
d
yr
n .2313297431105002 9.8871e-10 deg/d
Q 3.179771190842902 9.0603e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2228  
   data-arc span      18755 days (51.35 yr)  
   first obs. used      1969-11-15  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4424  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:59:00  

Additional Information
 Earth MOID = 1.09156 au 
 Jupiter MOID = 2.26589 au 
 T_jup = 3.362 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.52   n/a MPCxxxxx  
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

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