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2913 Horta (1931 TK)
Classification: Main-belt Asteroid          SPK-ID: 2002913
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1978551462449178 1.7956e-08  
a 2.705098484279834 9.6721e-09 au
q 2.169880828065742 4.848e-08 au
i 16.04253438912998 4.6812e-07 deg
node 30.2283838471877 3.3046e-06 deg
peri 22.63576322413944 4.3427e-06 deg
M 354.5611456565233 4.8298e-06 deg
tp 2459225.051496889121
(2021-Jan-10.55149689)
2.1801e-05 TDB
period 1625.073650057289
4.45
8.7157e-06
2.386e-08
d
yr
n .2215284211809777 1.1881e-09 deg/d
Q 3.240316140493926 1.1586e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2486  
   data-arc span      32669 days (89.44 yr)  
   first obs. used      1931-10-12  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39571  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:37:12  

Additional Information
 Earth MOID = 1.18632 au 
 Jupiter MOID = 2.21777 au 
 T_jup = 3.282 
[ 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 12.33   n/a MPCxxxxx  
diameter diameter 10.261 km 1.866 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.242   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2913 Horta (1931 TK)          Discovered 1931-Oct-12 by Delporte, E. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1931 TK = 1978 GO3 = 1982 FZ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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