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4563 Kahnia (1980 OG)
Classification: Main-belt Asteroid          SPK-ID: 2004563
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1625262836124569 3.1456e-08  
a 2.253282941451726 6.4078e-09 au
q 1.887065239050232 7.1887e-08 au
i 4.764319568064158 2.7608e-06 deg
node 131.9358888131566 4.4187e-05 deg
peri 228.9832695210627 4.5103e-05 deg
M 252.4223393497134 1.0678e-05 deg
tp 2459369.682932711829
(2021-Jun-04.18293271)
3.7293e-05 TDB
period 1235.441029046996
3.38
5.2699e-06
1.443e-08
d
yr
n .2913939164524102 1.243e-09 deg/d
Q 2.61950064385322 7.4492e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2707  
   data-arc span      23942 days (65.55 yr)  
   first obs. used      1955-03-23  
   last obs. used      2020-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46814  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:50:37  

Additional Information
 Earth MOID = .887546 au 
 Jupiter MOID = 2.83027 au 
 T_jup = 3.603 
[ 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 13.3   n/a MPO332861  
diameter diameter 5.102 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 12.416 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2014) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pravec, P.; Wolf, M.; Sarounova, L. (2014) http://www.asu.cas.cz/~ppravec/neo.htm]
[Oey, J. (2016) Minor Planet Bull. 43, 45-51.]
geometric albedo albedo 0.310   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4563 Kahnia (1980 OG)          Discovered 1980-Jul-17 by Bowell, E. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1980 OG = 1976 KF = 1980 RG3 = 1987 UG1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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