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18156 Kamisaibara (2000 PU4)
Classification: Main-belt Asteroid          SPK-ID: 2018156
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02352680602661848 1.8102e-08  
a 3.008518141626103 1.5862e-08 au
q 2.937737318880503 5.6744e-08 au
i 9.166445076020953 6.1252e-07 deg
node 328.3044525944094 1.8666e-06 deg
peri 168.2585741126821 5.2215e-05 deg
M 190.8953861158104 5.5411e-05 deg
tp 2460095.824224551831
(2023-May-31.32422455)
0.00029528 TDB
period 1906.019672883651
5.22
1.5074e-05
4.127e-08
d
yr
n .1888752803140534 1.4938e-09 deg/d
Q 3.079298964371703 1.6236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2773  
   data-arc span      10552 days (28.89 yr)  
   first obs. used      1992-02-01  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .3759  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:24:21  

Additional Information
 Earth MOID = 1.95071 au 
 Jupiter MOID = 1.92723 au 
 T_jup = 3.230 
[ 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 12.64   n/a E2021B10  
diameter diameter 9.975 km 0.246 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 11.9198 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J. (2018) Astron. Astrophys. 620, A91.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.257   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18156 Kamisaibara           Discovered 2000 Aug. 3 at Bisei Spaceguard Center.
Kamisaibara is the village in Okayama prefecture where the Kamisaibara Spaceguard Center is located.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020328/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 2000 PU4 = 1998 FO111 = 1999 NQ33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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