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JPL Small-Body Database Browser
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243556 (1993 HT3)
Classification: Main-belt Asteroid          SPK-ID: 2243556
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03288999495870786 6.1576e-08  
a 3.18924624098304 4.3787e-08 au
q 3.08435194819503 2.1465e-07 au
i 6.990748446640569 7.0326e-06 deg
node 49.62587573713518 4.9389e-05 deg
peri 281.8533062586737 0.00012791 deg
M 74.16315916889866 0.00011747 deg
tp 2458171.935467993569
(2018-Feb-22.43546799)
0.00068233 TDB
period 2080.321729161396
5.70
4.2843e-05
1.173e-07
d
yr
n .1730501561146124 3.5639e-09 deg/d
Q 3.294140533771051 4.5228e-08 au
  Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      9396 days (25.72 yr)  
   first obs. used      1993-03-24  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57857  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:35:59  

Additional Information
 Earth MOID = 2.08337 au 
 Jupiter MOID = 1.83235 au 
 T_jup = 3.185 
[ 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 15.3   n/a MPO413138  
diameter diameter 5.164 km 1.372 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243556 (1993 HT3)          Discovered 1993-Apr-20 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 1993 HT3 = 2007 TN63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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