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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1498430312299858 3.7203e-08  
a 2.335506099216051 6.1291e-09 au
q 1.985546785853398 8.8734e-08 au
i 6.12450402592298 3.6447e-06 deg
node 136.2301794776676 3.0442e-05 deg
peri 228.2274170808518 3.2286e-05 deg
M 53.64859472202525 1.0085e-05 deg
tp 2458806.221033153009
(2019-Nov-18.72103315)
3.6501e-05 TDB
period 1303.676795772676
3.57
5.1318e-06
1.405e-08
d
yr
n .2761420630997974 1.087e-09 deg/d
Q 2.685465412578704 7.0475e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2422  
   data-arc span      24247 days (66.38 yr)  
   first obs. used      1954-05-04  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46498  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 15:50:38  

Additional Information
 Earth MOID = .98878 au 
 Jupiter MOID = 2.77265 au 
 T_jup = 3.545 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456833.5 (2014-Jun-25.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1511220258233304 3.7306e-08  
q 1.981917182300518 8.9087e-08 au
tp 2456199.197559583305
(2012-Sep-28.69755958)
3.7122e-05 TDB
node 136.3171055899612 3.0454e-05 deg
peri 228.1008615052516 3.2247e-05 deg
i 6.124341434519892 3.6456e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2422  
   data-arc span      24247 days (66.38 yr)  
   first obs. used      1954-05-04  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46498  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 15:50:38  

Additional Information
 Jupiter MOID = 2.77265 au 
 T_jup = 3.545 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.391728808617229E-15 -3.318371673761466E-15 -1.126832040019112E-13 7.271113339321818E-15 -3.093997801591491E-14 -1.893909392737523E-15
q -3.318371673761466E-15 7.936443198803251E-15 2.129571296881318E-13 -1.793171028079953E-14 6.102234554608232E-14 4.61440281825599E-15
tp -1.126832040019112E-13 2.129571296881318E-13 1.378029099916093E-9 -2.735412115418076E-12 4.024141406878552E-10 7.118411609720396E-13
node 7.271113339321818E-15 -1.793171028079953E-14 -2.735412115418076E-12 9.274701155447003E-10 -9.224500767097841E-10 2.64076156540847E-11
peri -3.093997801591491E-14 6.102234554608232E-14 4.024141406878552E-10 -9.224500767097841E-10 1.03988511737319E-9 -2.61019519770652E-11
i -1.893909392737523E-15 4.61440281825599E-15 7.118411609720396E-13 2.64076156540847E-11 -2.61019519770652E-11 1.329048801974663E-11

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 12.9   n/a MPO256894  
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. 2019-August); 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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