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85400 Shiratakachu (1996 TD10)
Classification: Main-belt Asteroid          SPK-ID: 2085400
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2115083149245759 4.9322e-08  
a 2.566135931282563 1.5123e-08 au
q 2.023376844589581 1.261e-07 au
i .7687410314910689 5.6964e-06 deg
node 14.48777058203597 0.00045741 deg
peri 1.123979860621066 0.00045774 deg
M 178.1817032653006 2.2005e-05 deg
tp 2457857.346514866072
(2017-Apr-13.84651487)
8.6958e-05 TDB
period 1501.474336283968
4.11
1.3273e-05
3.634e-08
d
yr
n .2397643378247623 2.1195e-09 deg/d
Q 3.108895017975545 1.8322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      9197 days (25.18 yr)  
   first obs. used      1994-03-06  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53861  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:55:27  

Additional Information
 Earth MOID = 1.02381 au 
 Jupiter MOID = 2.35237 au 
 T_jup = 3.400 
[ 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 15.8   n/a MPO247940  
rotation period rot_per 8.07 h n/a LCDB (Rev. 2019-January); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

85400 Shiratakachu           Discovered 1996 Oct. 8 by T. Okuni at Nanyo.
Shirataka Chugakko is the name of a middle school in Yamagata Prefecture Shirataka town Japan. It was founded in April 2015.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-12-25Last Updated: 2016-01-04

[ show close-approach data ]
Alternate Designations
 1996 TD10 = 2000 QT207 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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