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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 
[ 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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2034-Jun-11 20:34 < 00:01 Hebe 0.032164774054881 0.032162227793985 0.0321673203184631 3.0636232815204 3.06362321843314 2464125.357130049 0.942783585463833 127.709942415732 21.5042862370501 -6.79085731033928 45771.9890368255 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 03:47:14 2020-Nov-13 03:47
2088-Apr-02 06:09 < 00:01 Eunom 0.0404748199003306 0.0404736956080566 0.0404759453300232 5.47689736073069 5.47689729740581 2483778.756302303 0.367212941724419 382.036743020115 25.0261370904706 -82.4386392933647 239713.678646093 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 03:47:14 2020-Nov-13 03:47
2110-Feb-07 15:37 00:01 Juno 0.0400514455249611 0.0400445768991189 0.0400583162202654 3.29718997433366 3.29718988220732 2491759.150813141 1.38451073307981 569.005913947464 25.2082419951959 -53.1087698144009 189923.438427255 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 03:47:14 2020-Nov-13 03:47
2200-Aug-20 11:16 00:06 Hebe 0.0348480519082029 0.0348306202614428 0.0348654836690308 3.07810311527549 3.07810305731983 2524824.969723567 5.52788117235894 874.031291076963 20.8472983915802 6.53927849588486 29053.4017468118 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 03:47:14 2020-Nov-13 03:47

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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