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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
8141 Nikolaev (1982 SO4)
Classification: Main-belt Asteroid          SPK-ID: 2008141
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2916498454790878 3.4908e-08  
a 2.390619819137272 6.8142e-09 au
q 1.693395918286642 8.4814e-08 au
i 7.521833966453864 5.1578e-06 deg
node 13.96474018168383 2.3281e-05 deg
peri 55.61626879655087 2.4885e-05 deg
M 36.67715904510807 7.1946e-06 deg
tp 2458862.951015597592
(2020-Jan-14.45101560)
2.6957e-05 TDB
period 1350.094600401486
3.70
5.7724e-06
1.58e-08
d
yr
n .2666479814769607 1.1401e-09 deg/d
Q 3.087843719987902 8.8015e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1718  
   data-arc span      13652 days (37.38 yr)  
   first obs. used      1982-09-20  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4149  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:47:01  

Additional Information
 Earth MOID = .720438 au 
 Jupiter MOID = 2.28439 au 
 T_jup = 3.462 
[ 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 13.6   n/a MPO416802  
diameter diameter 4.366 km 0.237 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.243   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8141 Nikolaev           Discovered 1982 Sept. 20 by N. S. Chernykh at the Crimean Astrophysical Observatory.
Nikolaev is a city and large industrial and cultural center in southern Ukraine. The Nikolaev Astronomical Observatory was established there in 1821.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010902/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1982 SO4 = 1982 TL = 1991 CV2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-02 01:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin