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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14993921053034 1.8006e-08  
a 2.335801249809543 5.5083e-09 au
q 1.985573054457318 4.309e-08 au
i 6.124697066820093 3.8316e-07 deg
node 136.2284802666119 9.0327e-06 deg
peri 228.2687706843622 1.1029e-05 deg
M 108.8205680357638 6.2622e-06 deg
tp 2458806.350713812922
(2019-Nov-18.85071381)
2.2398e-05 TDB
period 1303.923932658713
3.57
4.6124e-06
1.263e-08
d
yr
n .2760897250086949 9.7662e-10 deg/d
Q 2.686029445161767 6.3343e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2932  
   data-arc span      24422 days (66.86 yr)  
   first obs. used      1954-05-04  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43836  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:02:46  

Additional Information
 Earth MOID = .987213 au 
 Jupiter MOID = 2.77298 au 
 T_jup = 3.545 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457150.5 (2015-May-08.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1511163518805687 1.8055e-08  
q 1.982110567478195 4.3226e-08 au
tp 2457502.015980939820
(2016-Apr-23.51598094)
2.178e-05 TDB
node 136.3153955927446 9.0364e-06 deg
peri 228.0380797332945 1.0994e-05 deg
i 6.124327057703046 3.8302e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2932  
   data-arc span      24422 days (66.86 yr)  
   first obs. used      1954-05-04  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43836  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:02:46  

Additional Information
 Jupiter MOID = 2.77298 au 
 T_jup = 3.545 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.259913519612808E-16 -7.760243066638159E-16 -7.299127675770106E-14 4.697832005666645E-15 8.302897694256858E-15 -2.165220455481805E-16
q -7.760243066638159E-16 1.868486585054813E-15 1.677100371181199E-13 -1.119434308570194E-14 -2.278385727196159E-14 5.244541828822561E-16
tp -7.299127675770106E-14 1.677100371181199E-13 4.743749490508382E-10 -1.643321634752622E-11 1.358144495932122E-10 -1.109825598097222E-12
node 4.697832005666645E-15 -1.119434308570194E-14 -1.643321634752622E-11 8.165631184247964E-11 -8.435009747655919E-11 -4.715127877920603E-13
peri 8.302897694256858E-15 -2.278385727196159E-14 1.358144495932122E-10 -8.435009747655919E-11 1.208624114235088E-10 9.945833866615087E-14
i -2.165220455481805E-16 5.244541828822561E-16 -1.109825598097222E-12 -4.715127877920603E-13 9.945833866615087E-14 1.467028397495336E-13

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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