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4375 Kiyomori (1987 DQ)
Classification: Main-belt Asteroid          SPK-ID: 2004375
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1047613098640378 1.6893e-08  
a 2.292825175052962 6.4233e-09 au
q 2.052625806425172 3.8746e-08 au
i 5.865197405055011 6.9658e-07 deg
node 137.5178824245161 8.3699e-06 deg
peri 69.84220484414722 1.2882e-05 deg
M 216.1277874948852 7.9762e-06 deg
tp 2459707.291428409475
(2022-May-07.79142841)
2.9061e-05 TDB
period 1268.103903114195
3.47
5.3288e-06
1.459e-08
d
yr
n .2838884093928867 1.193e-09 deg/d
Q 2.533024543680752 7.0962e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2482  
   data-arc span      28851 days (78.99 yr)  
   first obs. used      1942-03-17  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44609  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:16:26  

Additional Information
 Earth MOID = 1.05638 au 
 Jupiter MOID = 2.43666 au 
 T_jup = 3.583 
[ 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 13.24   n/a MPCxxxxx  
diameter diameter 5.200 km 0.903 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 6.4709 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Brinsfield, J. (2008) Minor Planet Bull. 35, 119-122.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2008) http://www.asu.cas.cz/~ppravec/neo.htm]
[Chirony, V.; Galad, A.; Pravec, P. Kusnirak, P.; et al. (2011) Planet. Space Sci. 59, 1482-1489.]
geometric albedo albedo 0.366   0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

4375 Kiyomori (1987 DQ)          Discovered 1987-Feb-28 by Niijima and Urata at Ojima
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1987 DQ = 1942 FC = 1970 GL2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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