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JPL Small-Body Database Browser
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3675 Kemstach (1982 YP1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2003675
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08697610438157299 5.0446e-08  
a 3.370927661660002 2.1061e-08 au
q 3.07773750549673 1.7275e-07 au
i 10.85287124242488 4.7933e-06 deg
node 339.6371650581914 2.1531e-05 deg
peri 174.8329860993597 3.1681e-05 deg
M 342.1180119597316 2.4321e-05 deg
tp 2459112.788653877207
(2020-Sep-20.28865388)
0.00015306 TDB
period 2260.594029297187
6.19
2.1186e-05
5.8e-08
d
yr
n .1592501773137581 1.4925e-09 deg/d
Q 3.664117817823275 2.2893e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2128  
   data-arc span      24431 days (66.89 yr)  
   first obs. used      1953-02-14  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41326  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 19:11:41  

Additional Information
 Earth MOID = 2.08775 au 
 Jupiter MOID = 1.3312 au 
 T_jup = 3.119 
[ 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 11.2   n/a MPO502188  
diameter diameter 18.825 km 0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 14.1 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.181   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3675 Kemstach (1982 YP1)          Discovered 1982-Dec-23 by Karachkina, L. G. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 YP1 = 1953 CK = 1953 EB1 = 1984 HM2 = 1986 PX1 = A913 QA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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