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 ]  
3945 Gerasimenko (1982 PL)
Classification: Main-belt Asteroid          SPK-ID: 2003945
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .270516599026443 4.3743e-08  
a 3.115574155344455 1.5893e-08 au
q 2.27275963082599 1.4004e-07 au
i 1.834169609909543 4.644e-06 deg
node 9.463408888451246 0.00011732 deg
peri 333.082928723982 0.00011745 deg
M 229.7665747109511 7.3824e-06 deg
tp 2459327.150418678679
(2021-Apr-22.65041868)
4.4436e-05 TDB
period 2008.655997058547
5.50
1.5369e-05
4.208e-08
d
yr
n .1792243174178057 1.3713e-09 deg/d
Q 3.95838867986292 2.0192e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2190  
   data-arc span      23660 days (64.78 yr)  
   first obs. used      1954-07-31  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49232  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 00:03:07  

Additional Information
 Earth MOID = 1.26414 au 
 Jupiter MOID = 1.45448 au 
 T_jup = 3.159 
[ 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 12.4   n/a MPO296166  
diameter diameter 20.796 km 0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 272.332 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.062   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3945 Gerasimenko (1982 PL)          Discovered 1982-Aug-14 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 PL = 1971 TD2 = 1980 FM1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin