Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08697610763015208 5.0021e-08  
a 3.370927664707708 2.0207e-08 au
q 3.077737497328633 1.7195e-07 au
i 10.85287092204768 4.6052e-06 deg
node 339.6371639708788 2.1026e-05 deg
peri 174.8329900840224 3.0835e-05 deg
M 342.1180083043799 2.3264e-05 deg
tp 2459112.788676983007
(2020-Sep-20.28867698)
0.00014634 TDB
period 2260.594032362943
6.19
2.0326e-05
5.565e-08
d
yr
n .1592501770977874 1.4319e-09 deg/d
Q 3.664117832086783 2.1964e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2208  
   data-arc span      24461 days (66.97 yr)  
   first obs. used      1953-02-14  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40761  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:52:59  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-26 02:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin