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22467 Koharumi (1997 BC3)
Classification: Main-belt Asteroid          SPK-ID: 2022467
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04620647403275176 3.8527e-08  
a 2.364459112836066 7.7731e-09 au
q 2.255205794237303 8.9353e-08 au
i 6.454670280427434 4.1508e-06 deg
node 351.3347082496129 2.6173e-05 deg
peri 191.5413563948769 4.3967e-05 deg
M 163.024980522285 3.5638e-05 deg
tp 2458599.121640916855
(2019-Apr-25.62164092)
0.00013146 TDB
period 1327.994081498068
3.64
6.5486e-06
1.793e-08
d
yr
n .2710855454972325 1.3368e-09 deg/d
Q 2.473712431434829 8.1323e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2048  
   data-arc span      10745 days (29.42 yr)  
   first obs. used      1991-08-14  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46145  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:06:41  

Additional Information
 Earth MOID = 1.25741 au 
 Jupiter MOID = 2.48811 au 
 T_jup = 3.539 
[ 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 14.31   n/a E2021B10  
rotation period rot_per 13.418 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]

22467 Koharumi           Discovered 1997 Jan. 30 by T. Kobayashi at Oizumi.
Kobayashi Harumi is a master of the tea ceremony and an observing partner of the discoverer. This minor planet was detected on the same night as the comet P/1997 B1 (Kobayashi) was discovered.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060413/MPCPages.arcLast Updated: 2006-04-17

[ show close-approach data ]
Alternate Designations
 1997 BC3 = 1991 PO31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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