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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05847827305539306 4.2312e-08  
a 2.985901477654847 1.4471e-08 au
q 2.811291115728046 1.2491e-07 au
i 6.986674925710747 3.5741e-06 deg
node 274.7409867236051 3.7252e-05 deg
peri 118.9249530325132 5.0147e-05 deg
M 166.3740801461354 3.3802e-05 deg
tp 2458129.546830353283
(2018-Jan-11.04683035)
0.00017543 TDB
period 1884.567240266128
5.16
1.37e-05
3.751e-08
d
yr
n .1910252880916909 1.3887e-09 deg/d
Q 3.160511839581649 1.5317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2661  
   data-arc span      24960 days (68.34 yr)  
   first obs. used      1951-12-27  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42474  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:35:29  

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

[ 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 35 CATAB v2.0f-lin.ifort 2020-May-20 01:35:43 2020-May-20 01:35

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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