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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1977901737930598 4.0597e-08  
a 2.705092998760568 1.0673e-08 au
q 2.170052184409326 1.1019e-07 au
i 16.04239611525958 5.3107e-06 deg
node 30.22916384465253 1.3173e-05 deg
peri 22.60287859079413 1.7556e-05 deg
M 310.2743953808421 1.0272e-05 deg
tp 2459224.965344448582
(2021-Jan-10.46534445)
4.6173e-05 TDB
period 1625.068706964636
4.45
9.6175e-06
2.633e-08
d
yr
n .2215290950204939 1.3111e-09 deg/d
Q 3.24013381311181 1.2784e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2098  
   data-arc span      32521 days (89.04 yr)  
   first obs. used      1931-10-12  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41521  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:04:53  

Additional Information
 Earth MOID = 1.18735 au 
 Jupiter MOID = 2.21684 au 
 T_jup = 3.282 
[ 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 12.2   n/a MPO435725  
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

[ show close-approach data ]
Alternate Designations
 1931 TK = 1978 GO3 = 1982 FZ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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