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160659 (1999 XY156)
Classification: Main-belt Asteroid          SPK-ID: 2160659
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2199629323335979 3.1278e-08  
a 2.590765689789501 1.3291e-08 au
q 2.020893271674126 8.2226e-08 au
i 4.890907898487432 4.7477e-06 deg
node 109.2370355266241 4.7387e-05 deg
peri 304.0596529723059 4.9767e-05 deg
M 343.9427244004244 1.8429e-05 deg
tp 2459068.437567507662
(2020-Aug-06.93756751)
7.8366e-05 TDB
period 1523.142836472515
4.17
1.1721e-05
3.209e-08
d
yr
n .2363534078220353 1.8188e-09 deg/d
Q 3.160638107904876 1.6214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      686  
   data-arc span      10124 days (27.72 yr)  
   first obs. used      1992-02-05  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56482  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 18:41:37  

Additional Information
 Earth MOID = 1.03714 au 
 Jupiter MOID = 2.21723 au 
 T_jup = 3.380 
[ 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 15.5   n/a MPO493915  

160659 (1999 XY156)          Discovered 1999-Dec-08 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 1999 XY156 = 1992 CC5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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