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JPL Small-Body Database Browser
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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 93 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7436209430996478 5.9759e-08  
a 1.172968841374887 5.9164e-09 au
q .3007246453251924 7.018e-08 au
i 18.3450576834448 1.0803e-05 deg
node 265.2721480690457 1.3468e-05 deg
peri 341.3568835027621 1.4865e-05 deg
M 25.56468226835854 2.2287e-05 deg
tp 2458967.549194234105
(2020-Apr-28.04919423)
2.8517e-05 TDB
period 464.0108549443714
1.27
3.5107e-06
9.612e-09
d
yr
n .7758439186582372 5.8699e-09 deg/d
Q 2.045213037424582 1.0316e-08 au
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      6945 days (19.01 yr)  
   first obs. used      2000-12-30  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6183  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-06 05:41:44  

Additional Information
 Earth MOID = .164534 au 
 Jupiter MOID = 3.02547 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 18.1   n/a MPO351830  
rotation period rot_per 5.30 h n/a LCDB (Rev. 2019-August); 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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