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 ]  
1622 Chacornac (1952 EA)
Classification: Main-belt Asteroid          SPK-ID: 2001622
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1633144294717601 3.1798e-08  
a 2.234036711486658 5.2344e-09 au
q 1.869186280531248 7.2266e-08 au
i 6.460627028797087 3.9792e-06 deg
node 4.329216296738121 2.9757e-05 deg
peri 256.4413288960628 3.2328e-05 deg
M 81.62432665223299 1.2161e-05 deg
tp 2458723.964433374212
(2019-Aug-28.46443337)
4.1111e-05 TDB
period 1219.646250920224
3.34
4.2865e-06
1.174e-08
d
yr
n .2951675534839546 1.0374e-09 deg/d
Q 2.598887142442069 6.0892e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2512  
   data-arc span      32442 days (88.82 yr)  
   first obs. used      1930-12-13  
   last obs. used      2019-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43705  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:00:06  

Additional Information
 Earth MOID = .86707 au 
 Jupiter MOID = 2.49017 au 
 T_jup = 3.614 
[ 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 12.2   n/a MPO337259  
diameter diameter 8.426 km 0.319 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 12.206 h n/a LCDB (Rev. 2019-August); 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:
[Higgins, D.; Warner, B.D. (2009) Minor Planet Bull. 36, 159-160.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.360   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1622 Chacornac (1952 EA)          Discovered 1952-Mar-15 by Schmitt, A. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1952 EA = 1932 DD = 1933 UX = 1939 KE = 1942 EB1 = 1949 KF = 1952 DP2 = 1953 TM1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-12 20:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin