Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1977902001059469 4.9727e-08  
a 2.705093008075082 1.5194e-08 au
q 2.170052120702714 1.3004e-07 au
i 16.04239685306193 5.4086e-06 deg
node 30.22917326715521 1.6945e-05 deg
peri 22.60287272563794 2.0896e-05 deg
M 310.2743874629208 1.4085e-05 deg
tp 2459224.965381350071
(2021-Jan-10.46538135)
6.4364e-05 TDB
period 1625.068715358095
4.45
1.3692e-05
3.749e-08
d
yr
n .221529093876299 1.8665e-09 deg/d
Q 3.24013389544745 1.82e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1709  
   data-arc span      32342 days (88.55 yr)  
   first obs. used      1931-10-12  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44837  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:46:57  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-14 06:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin