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 ]  
1232 Cortusa (1931 TF2)
Classification: Main-belt Asteroid          SPK-ID: 2001232
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .134810163471587 4.0023e-08  
a 3.181782442084217 1.4394e-08 au
q 2.752845830935818 1.3223e-07 au
i 10.36146011591598 4.3045e-06 deg
node 261.214084055771 2.3099e-05 deg
peri 340.5741193199089 2.7718e-05 deg
M 348.6884301407525 1.5966e-05 deg
tp 2459065.636516615121
(2020-Aug-04.13651662)
9.1991e-05 TDB
period 2073.02313235268
5.68
1.4067e-05
3.851e-08
d
yr
n .1736594225031319 1.1784e-09 deg/d
Q 3.610719053232616 1.6335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2738  
   data-arc span      32838 days (89.91 yr)  
   first obs. used      1930-07-22  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40833  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:28:05  

Additional Information
 Earth MOID = 1.74216 au 
 Jupiter MOID = 1.4589 au 
 T_jup = 3.160 
[ 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 10.3   n/a MPO347525  
diameter diameter 36.367 km 0.463 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 25.16 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:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.072   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1232 Cortusa (1931 TF2)          Discovered 1931-Oct-10 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1931 TF2 = 1930 OH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-05 14:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin