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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1631905380888601 1.3296e-08  
a 2.234188392276975 4.2592e-09 au
q 1.869589986349411 2.9711e-08 au
i 6.460381085652807 2.5339e-07 deg
node 4.328034333634945 4.904e-06 deg
peri 256.4536110675371 5.6151e-06 deg
M 140.6549774599334 2.5072e-06 deg
tp 2458723.925590722255
(2019-Aug-28.42559072)
8.0122e-06 TDB
period 1219.770465562515
3.34
3.488e-06
9.55e-09
d
yr
n .295137495261439 8.4397e-10 deg/d
Q 2.59878679820454 4.9543e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3183  
   data-arc span      32960 days (90.24 yr)  
   first obs. used      1930-12-13  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40628  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:42:49  

Additional Information
 Earth MOID = .865832 au 
 Jupiter MOID = 2.48921 au 
 T_jup = 3.614 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457019.5 (2014-Dec-28.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1633931887020598 1.3311e-08  
q 1.869615932917514 2.9765e-08 au
tp 2457503.614096896164
(2016-Apr-25.11409690)
7.7854e-06 TDB
node 4.38746458050593 4.9065e-06 deg
peri 256.362444693782 5.6119e-06 deg
i 6.459001123771881 2.5324e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3183  
   data-arc span      32960 days (90.24 yr)  
   first obs. used      1930-12-13  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40628  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:42:49  

Additional Information
 Jupiter MOID = 2.48921 au 
 T_jup = 3.614 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.771954312276327E-16 -3.933451722426005E-16 5.955910359871755E-14 -1.686048371495258E-14 4.056852387181146E-14 5.904908043278352E-16
q -3.933451722426005E-16 8.85945609454854E-16 -1.376096827566177E-13 3.752522813870255E-14 -9.247734784097046E-14 -1.307955281227729E-15
tp 5.955910359871755E-14 -1.376096827566177E-13 6.061203677053245E-11 -7.515715513808857E-13 2.104083811755781E-11 2.30133496635894E-13
node -1.686048371495258E-14 3.752522813870255E-14 -7.515715513808857E-13 2.407372890846788E-11 -2.415967782597148E-11 -4.814861579680171E-13
peri 4.056852387181146E-14 -9.247734784097046E-14 2.104083811755781E-11 -2.415967782597148E-11 3.149340037349613E-11 5.825139121560784E-13
i 5.904908043278352E-16 -1.307955281227729E-15 2.30133496635894E-13 -4.814861579680171E-13 5.825139121560784E-13 6.413096162587303E-14

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.27   n/a E2021B10  
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. 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:
[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 2021-Jun-18 22:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin