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JPL Small-Body Database Browser
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85253 (1993 TD5)
Classification: Main-belt Asteroid          SPK-ID: 2085253
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1828300496936777 4.9132e-08  
a 2.438126721759462 1.5444e-08 au
q 1.992363892060696 1.2625e-07 au
i 3.467891793803291 4.9859e-06 deg
node 294.5797345086788 8.5255e-05 deg
peri 10.91708904793827 8.6805e-05 deg
M 68.17816226438602 2.1912e-05 deg
tp 2458737.154665724407
(2019-Sep-10.65466572)
8.2795e-05 TDB
period 1390.537925788829
3.81
1.3212e-05
3.617e-08
d
yr
n .258892615097699 2.4598e-09 deg/d
Q 2.883889551458228 1.8267e-08 au
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      8927 days (24.44 yr)  
   first obs. used      1993-10-08  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58107  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:32:30  

Additional Information
 Earth MOID = .977403 au 
 Jupiter MOID = 2.35712 au 
 T_jup = 3.478 
[ 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 16.4   n/a MPO436372  

85253 (1993 TD5)          Discovered 1993-Oct-08 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1993 TD5 = 2000 NP21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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