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100367 (1995 UY40)
Classification: Main-belt Asteroid          SPK-ID: 2100367
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2054895894625896 6.9726e-08  
a 2.407516098513782 1.4461e-08 au
q 1.912796603805609 1.6428e-07 au
i 4.821716372921068 6.7798e-06 deg
node 221.7469470637132 5.1517e-05 deg
peri 156.9283927826278 5.2792e-05 deg
M 207.8545940883866 1.6846e-05 deg
tp 2459577.145050960354
(2021-Dec-28.64505096)
6.8212e-05 TDB
period 1364.43303760565
3.74
1.2293e-05
3.366e-08
d
yr
n .2638458539759044 2.3772e-09 deg/d
Q 2.902235593221954 1.7432e-08 au
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      9547 days (26.14 yr)  
   first obs. used      1994-05-04  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58502  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:06:35  

Additional Information
 Earth MOID = .91628 au 
 Jupiter MOID = 2.56526 au 
 T_jup = 3.488 
[ 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 16.5   n/a MPO459471  
rotation period rot_per 8.287 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

100367 (1995 UY40)          Discovered 1995-Oct-23 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1995 UY40 = 1999 XB61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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