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2140 Kemerovo (1970 PE)
Classification: Main-belt Asteroid          SPK-ID: 2002140
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05847826779273422 4.2575e-08  
a 2.985901471427208 1.5911e-08 au
q 2.811291125578368 1.252e-07 au
i 6.986677950086588 4.2113e-06 deg
node 274.7409897464388 3.7398e-05 deg
peri 118.9249758857383 5.6209e-05 deg
M 166.374057937444 4.0158e-05 deg
tp 2458129.546949338558
(2018-Jan-11.04694934)
0.00021051 TDB
period 1884.567234370217
5.16
1.5063e-05
4.124e-08
d
yr
n .1910252886893178 1.5269e-09 deg/d
Q 3.160511817276047 1.6841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2445  
   data-arc span      24847 days (68.03 yr)  
   first obs. used      1951-12-27  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43812  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:25:48  

Additional Information
 Earth MOID = 1.82662 au 
 Jupiter MOID = 2.14544 au 
 T_jup = 3.244 
[ 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 11.4   n/a MPO502173  
diameter diameter 34.539 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 9.2 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. (2001) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.063   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2140 Kemerovo (1970 PE)          Discovered 1970-Aug-03 by Chernykh, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1970 PE = 1926 AJ = 1940 WB = 1952 BH1 = 1957 BB = 1973 FY = 1974 MP = 1975 NM1 = 1975 QJ = 1975 RM1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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