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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2201422431562962 2.9862e-08  
a 2.591366337484159 8.4275e-09 au
q 2.02089713911068 7.5739e-08 au
i 4.890850428152431 4.5749e-06 deg
node 109.2372571761836 3.7938e-05 deg
peri 304.063101037376 3.9651e-05 deg
M 31.19990774813057 1.1242e-05 deg
tp 2459068.448768637652
(2020-Aug-06.94876864)
4.7343e-05 TDB
period 1523.672559361766
4.17
7.4328e-06
2.035e-08
d
yr
n .2362712367483971 1.1526e-09 deg/d
Q 3.161835535857637 1.0283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      882  
   data-arc span      10627 days (29.10 yr)  
   first obs. used      1992-02-05  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50981  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:15  

Additional Information
 Earth MOID = 1.03637 au 
 Jupiter MOID = 2.2169 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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