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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05827006145040938 4.2683e-08  
a 2.987039451669747 1.6339e-08 au
q 2.812984479266154 1.2575e-07 au
i 6.986607201857413 4.283e-06 deg
node 274.7399030278459 3.7541e-05 deg
peri 119.2756920618732 5.7178e-05 deg
M 89.62678585101246 4.1138e-05 deg
tp 2458131.043684058865
(2018-Jan-12.54368406)
0.00021578 TDB
period 1885.644700232206
5.16
1.5471e-05
4.236e-08
d
yr
n .1909161359802662 1.5664e-09 deg/d
Q 3.161094424073341 1.7291e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2331  
   data-arc span      24608 days (67.37 yr)  
   first obs. used      1951-12-27  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44361  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:30:55  

Additional Information
 Earth MOID = 1.82771 au 
 Jupiter MOID = 2.14428 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 11.3   n/a MPO279536  
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-January); 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2011-May-09 00:17 < 00:01 Inter 0.0310758947226935 0.0310751962562188 0.0310765931992219 3.51872823128203 3.51872809740399 2455690.511738785 0.625792390160058 80.6779759690231 32.1459484723121 79.6428897494382 142474.468603235 T 30 CATAB v2.0e-lin.ifort 2019-May-29 19:31:10 2019-May-29 19:31

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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