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 ]  
4032 Chaplygin (1985 UT4)
Classification: Main-belt Asteroid          SPK-ID: 2004032
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1416971499292894 3.7867e-08  
a 2.182973845192555 5.2361e-09 au
q 1.873652672958588 8.3157e-08 au
i 2.132081161102054 3.914e-06 deg
node 167.2391581933234 7.8039e-05 deg
peri 206.4810481579714 7.8652e-05 deg
M 284.3845906855342 9.3468e-06 deg
tp 2459247.945199038427
(2021-Feb-02.44519904)
3.0796e-05 TDB
period 1178.070349171436
3.23
4.2386e-06
1.16e-08
d
yr
n .3055844672206514 1.0995e-09 deg/d
Q 2.492295017426521 5.978e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2369  
   data-arc span      17017 days (46.59 yr)  
   first obs. used      1972-10-07  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48742  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 00:08:07  

Additional Information
 Earth MOID = .874346 au 
 Jupiter MOID = 2.97066 au 
 T_jup = 3.665 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO324344  
diameter diameter 4.532 km 0.296 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.164   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4032 Chaplygin (1985 UT4)          Discovered 1985-Oct-22 by Zhuravleva, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1985 UT4 = 1972 TD1 = 1975 RO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-29 12:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin