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4264 Karljosephine (1989 TB)
Classification: Main-belt Asteroid          SPK-ID: 2004264
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 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2809718813901382 1.5718e-08  
a 2.422004362864999 5.1122e-09 au
q 1.741489240295697 3.8616e-08 au
i 3.504968128470592 8.4621e-07 deg
node 184.6729567456257 1.5754e-05 deg
peri 197.8284052086923 1.7065e-05 deg
M 100.0430675773918 3.3379e-06 deg
tp 2458817.899698760482
(2019-Nov-30.39969876)
1.2281e-05 TDB
period 1376.768143776436
3.77
4.359e-06
1.193e-08
d
yr
n .2614819362485611 8.2788e-10 deg/d
Q 3.102519485434301 6.5486e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2609  
   data-arc span      16931 days (46.35 yr)  
   first obs. used      1974-11-15  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46547  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:30:41  

Additional Information
 Earth MOID = .743739 au 
 Jupiter MOID = 2.35627 au 
 T_jup = 3.455 
[ 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 13.57   n/a MPCxxxxx  
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. 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:
[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 ]
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