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4795 Kihara (1989 CB1)
Classification: Main-belt Asteroid          SPK-ID: 2004795
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1523317202451494 2.0175e-08  
a 2.200056040623439 5.4128e-09 au
q 1.864917719319539 4.4142e-08 au
i 5.107589104453205 1.2086e-06 deg
node 133.8875752500063 3.4836e-06 deg
peri 132.151938893605 6.1127e-06 deg
M 162.7090813871194 5.1498e-06 deg
tp 2458661.785910166446
(2019-Jun-27.28591017)
1.6578e-05 TDB
period 1191.925310417443
3.26
4.3988e-06
1.204e-08
d
yr
n .3020323478775013 1.1146e-09 deg/d
Q 2.53519436192734 6.2374e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2728  
   data-arc span      16931 days (46.35 yr)  
   first obs. used      1974-11-09  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46362  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:51:29  

Additional Information
 Earth MOID = .851794 au 
 Jupiter MOID = 2.54763 au 
 T_jup = 3.645 
[ 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 13.85   n/a E2021B10  
diameter diameter 4.088 km 0.423 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 16.03 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:
[Warner, B.D. (2009) Minor Planet Bull. 36, 172-176.]
geometric albedo albedo 0.384   0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4795 Kihara (1989 CB1)          Discovered 1989-Feb-07 by Takahashi and Watanabe at Kitami
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 CB1 = 1974 VA3 = 1974 WN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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