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4195 Esambaev (1982 SK8)
Classification: Main-belt Asteroid          SPK-ID: 2004195
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06643570116866253 3.4569e-08  
a 2.83397523152709 1.0039e-08 au
q 2.645698099925965 1.018e-07 au
i 2.053827663356302 3.8409e-06 deg
node 178.2203088909725 7.6253e-05 deg
peri 218.86659834 8.024e-05 deg
M 338.4730354306219 2.4728e-05 deg
tp 2459304.701218503406
(2021-Mar-31.20121850)
0.00011972 TDB
period 1742.579105397289
4.77
9.2594e-06
2.535e-08
d
yr
n .2065903343411913 1.0977e-09 deg/d
Q 3.022252363128215 1.0706e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2877  
   data-arc span      24606 days (67.37 yr)  
   first obs. used      1953-10-01  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44628  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:03:29  

Additional Information
 Earth MOID = 1.65176 au 
 Jupiter MOID = 2.26737 au 
 T_jup = 3.308 
[ 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 12.67   n/a E2021B10  
rotation period rot_per 4.634 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]

4195 Esambaev (1982 SK8)          Discovered 1982-Sep-19 by Chernykh, L. I. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 SK8 = 1963 TC = 1968 UN = 1989 CZ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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