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126154 (2001 YH140)
Classification: TransNeptunian Object          SPK-ID: 2126154
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1355923050920746 2.972e-05  
a 42.07839688106449 0.0019495 au
q 36.37289005338179 0.00044236 au
i 11.10353486662981 5.1564e-05 deg
node 108.9228715518393 9.901e-05 deg
peri 354.4126359903206 0.0061242 deg
M 27.25815860461833 0.0063952 deg
tp 2451451.642650291275
(1999-Sep-30.14265029)
1.2705 TDB
period 99698.17423524352
272.96
6.9286
0.01897
d
yr
n .003610898622381584 2.5094e-07 deg/d
Q 47.78390370874719 0.0022139 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      6614 days (18.11 yr)  
   first obs. used      2001-12-18  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .36865  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:49:53  

Additional Information
 Earth MOID = 35.3899 au 
 Jupiter MOID = 31.1614 au 
 T_jup = 5.653 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 5.5   n/a MPO351741  
rotation period rot_per 13.25 h n/a LCDB (Rev. 2019-August); 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:
[Sheppard, S.S. (2007) Astron. J. 134, 787-798.]
[Thirouin, A.; Ortiz, J.L.; Duffard, R.; Santos-Sanz, P.; et al. (2010) Astron. Astrophys. 522, A93.]

126154 (2001 YH140)          Discovered 2001-Dec-18 by Trujillo, C. A., Brown, M. E. at Palomar
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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