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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08679504699463682 1.9434e-08  
a 3.370284089276389 1.7486e-08 au
q 3.077760123362368 6.5405e-08 au
i 10.85387933149116 9.826e-07 deg
node 339.6361590816426 6.2784e-06 deg
peri 174.7670398632874 1.1693e-05 deg
M 14.0277048025629 9.5599e-06 deg
tp 2459112.439264315088
(2020-Sep-19.93926432)		 5.971e-05 TDB
period 2259.946676435348
6.19		 1.7588e-05
4.815e-08		 d
yr
n .1592957939024624 1.2397e-09 deg/d
Q 3.66280805519041 1.9003e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2697  
   data-arc span      24866 days (68.08 yr)  
   first obs. used      1953-02-14  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38447  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:24:49  

Additional Information
 Earth MOID = 2.08758 au 
 Jupiter MOID = 1.33176 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 11.24   n/a E2021B10  
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. 2020-October); 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

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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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