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173140 (1995 SH19)
Classification: Main-belt Asteroid          SPK-ID: 2173140
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1144090915826822 6.3004e-08  
a 3.120205532068076 3.3228e-08 au
q 2.763225651592908 2.038e-07 au
i .5773895120361895 8.3332e-06 deg
node 185.4458415646835 0.00055877 deg
peri 118.8767539248482 0.00055979 deg
M 228.6576374610394 3.6925e-05 deg
tp 2459734.972523979206
(2022-Jun-04.47252398)
0.0002114 TDB
period 2013.136535092255
5.51
3.2158e-05
8.804e-08
d
yr
n .1788254267530356 2.8566e-09 deg/d
Q 3.477185412543245 3.703e-08 au
  Orbit Determination Parameters
   # obs. used (total)      357  
   data-arc span      8902 days (24.37 yr)  
   first obs. used      1995-09-18  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57356  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:59:26  

Additional Information
 Earth MOID = 1.74809 au 
 Jupiter MOID = 1.73746 au 
 T_jup = 3.206 
[ 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 15.7   n/a MPO280922  
diameter diameter 3.226 km 0.831 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 84. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Masiero, J.; Jedicke, R.; Durecy, J.; Gwyn, S.; et al. (2009) Icarus 204, 145-171.]
geometric albedo albedo 0.074   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173140 (1995 SH19)          Discovered 1995-Sep-18 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1995 SH19 = 2004 FR78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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