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85260 (1993 TC23)
Classification: Main-belt Asteroid          SPK-ID: 2085260
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1350320740731636 4.9569e-08  
a 3.198986363327689 2.6107e-08 au
q 2.767020599755785 1.6903e-07 au
i 5.559512076244413 6.306e-06 deg
node 182.7888080136242 4.8081e-05 deg
peri 97.22582591559539 5.4193e-05 deg
M 315.3027522428038 2.3909e-05 deg
tp 2459259.974863071129
(2021-Feb-14.47486307)
0.00013897 TDB
period 2089.859116450127
5.72
2.5583e-05
7.004e-08
d
yr
n .1722604156262469 2.1087e-09 deg/d
Q 3.630952126899594 2.9632e-08 au
  Orbit Determination Parameters
   # obs. used (total)      696  
   data-arc span      9828 days (26.91 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54507  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:32  

Additional Information
 Earth MOID = 1.75796 au 
 Jupiter MOID = 1.53941 au 
 T_jup = 3.173 
[ 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 14.5   n/a MPO468821  
diameter diameter 5.877 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 1.10 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.107   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85260 (1993 TC23)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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Alternate Designations
 1993 TC23 = 2002 EJ42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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