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
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06643570203270581 3.4576e-08  
a 2.833975228292536 1.0047e-08 au
q 2.645698094457624 1.0183e-07 au
i 2.053827667527025 3.8429e-06 deg
node 178.220310181486 7.6338e-05 deg
peri 218.8666004015384 8.0328e-05 deg
M 338.4730324772078 2.476e-05 deg
tp 2459304.701232621004
(2021-Mar-31.20123262)
0.00011988 TDB
period 1742.579102413953
4.77
9.267e-06
2.537e-08
d
yr
n .2065903346948787 1.0986e-09 deg/d
Q 3.022252362127448 1.0715e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2846  
   data-arc span      24578 days (67.29 yr)  
   first obs. used      1953-10-01  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44827  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:16:09  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-07 09:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin