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138893 (2000 YH66)
Classification: Apollo [NEO]          SPK-ID: 2138893
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 101 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7435159136609395 5.8478e-08  
a 1.173038020522379 5.6883e-09 au
q .3008655849346626 6.8603e-08 au
i 18.34199315638271 1.0404e-05 deg
node 265.2741583028335 1.2775e-05 deg
peri 341.3542817575391 1.4122e-05 deg
M 332.791935957055 2.3938e-05 deg
tp 2459431.572094312511
(2021-Aug-05.07209431)
3.1078e-05 TDB
period 464.0519050740045
1.27
3.3754e-06
9.241e-09
d
yr
n .7757752873411631 5.6429e-09 deg/d
Q 2.045210456110096 9.9177e-09 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      7314 days (20.02 yr)  
   first obs. used      2000-12-30  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60922  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-28 06:19:23  

Additional Information
 Earth MOID = .16459 au 
 Jupiter MOID = 3.02328 au 
 T_jup = 5.039 
[ 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 18.06   n/a MPCxxxxx  
rotation period rot_per 5.30 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Polishook, D. (2012) Minor Planet Bull. 39, 187-192.]
SMASSII spectral type spec_B Xk   n/a Binzel et al. (2004) Icarus 170, 259-294  

138893 (2000 YH66)          Discovered 2000-Dec-30 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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