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4188 Kitezh (1979 HX4)
Classification: Main-belt Asteroid          SPK-ID: 2004188
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1499391622463087 3.4837e-08  
a 2.335801252337458 5.8111e-09 au
q 1.985573169388101 8.2752e-08 au
i 6.124698901654982 3.6052e-06 deg
node 136.2285286783622 2.8627e-05 deg
peri 228.2687407720254 3.0476e-05 deg
M 108.8205517906105 9.9572e-06 deg
tp 2458806.350772013194
(2019-Nov-18.85077201)
3.5953e-05 TDB
period 1303.923934775465
3.57
4.8659e-06
1.332e-08
d
yr
n .2760897245604989 1.0303e-09 deg/d
Q 2.686029335286815 6.6824e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2756  
   data-arc span      24369 days (66.72 yr)  
   first obs. used      1954-05-04  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44264  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:16:05  

Additional Information
 Earth MOID = .987213 au 
 Jupiter MOID = 2.77298 au 
 T_jup = 3.545 
[ 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 12.99   n/a E2021B10  
diameter diameter 6.588 km 0.156 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.58 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Simpson, G.; Chong, E.; Gerhardt, M.; Gorsky, S.; et al. (2013) Minor Planet Bull. 146-151.]
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.338   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B V   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

4188 Kitezh (1979 HX4)          Discovered 1979-Apr-25 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1979 HX4 = 1969 PV = 1973 YH = 1976 OH = 1980 TP11 = 1984 YD5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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