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 ]  
4264 Karljosephine (1989 TB)
Classification: Main-belt Asteroid          SPK-ID: 2004264
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2808627136199564 3.181e-08  
a 2.42190626010847 5.2674e-09 au
q 1.741683095761245 7.7473e-08 au
i 3.504716455673871 3.8782e-06 deg
node 184.6800048451094 4.8855e-05 deg
peri 197.8211757827119 4.9264e-05 deg
M 47.75847629412075 5.9905e-06 deg
tp 2458817.865683692328
(2019-Nov-30.36568369)
2.2784e-05 TDB
period 1376.68449608506
3.77
4.4913e-06
1.23e-08
d
yr
n .2614978239558506 8.531e-10 deg/d
Q 3.102129424455695 6.7469e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2324  
   data-arc span      16588 days (45.42 yr)  
   first obs. used      1974-11-15  
   last obs. used      2020-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47725  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:05:23  

Additional Information
 Earth MOID = .745241 au 
 Jupiter MOID = 2.35549 au 
 T_jup = 3.456 
[ 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 13.5   n/a MPO502194  
diameter diameter 4.457 km 0.253 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 30.96 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 0.213   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4264 Karljosephine (1989 TB)          Discovered 1989-Oct-02 by Cwach, K. F. J. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 TB = 1974 VX1 = 1985 PJ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-21 14:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin