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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1976334477939072 5.166e-08  
a 2.708180273892626 1.6061e-08 au
q 2.172953269115778 1.3492e-07 au
i 16.04877121567595 5.5224e-06 deg
node 30.31449282515712 1.7157e-05 deg
peri 22.16899134275279 2.1205e-05 deg
M 222.1237510560462 1.3825e-05 deg
tp 2459223.950160692830
(2021-Jan-09.45016069)
6.4614e-05 TDB
period 1627.851494136992
4.46
1.4481e-05
3.965e-08
d
yr
n .2211503944288571 1.9673e-09 deg/d
Q 3.243407278669473 1.9236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1510  
   data-arc span      31985 days (87.57 yr)  
   first obs. used      1931-10-12  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45052  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 22:31:42  

Additional Information
 Earth MOID = 1.18941 au 
 Jupiter MOID = 2.21114 au 
 T_jup = 3.281 
[ 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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