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160938 (2001 YR104)
Classification: Main-belt Asteroid          SPK-ID: 2160938
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1327152491679436 4.4836e-08  
a 2.426395130647415 1.1196e-08 au
q 2.104375496303658 1.1023e-07 au
i 3.214559711597888 4.4191e-06 deg
node 162.8697365990276 8.3942e-05 deg
peri 26.32948067284364 8.5429e-05 deg
M 297.3698820148893 1.7135e-05 deg
tp 2459440.671485671298
(2021-Aug-14.17148567)
6.6425e-05 TDB
period 1380.513682925234
3.78
9.5551e-06
2.616e-08
d
yr
n .2607724968268185 1.8049e-09 deg/d
Q 2.748414764991172 1.2682e-08 au
  Orbit Determination Parameters
   # obs. used (total)      556  
   data-arc span      7925 days (21.70 yr)  
   first obs. used      1999-05-12  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57652  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:02:47  

Additional Information
 Earth MOID = 1.10502 au 
 Jupiter MOID = 2.20556 au 
 T_jup = 3.496 
[ 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 16.1   n/a MPO532897  

160938 (2001 YR104)          Discovered 2001-Dec-17 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 2001 YR104 = 2000 SK203 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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