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160909 (2001 UD217)
Classification: Main-belt Asteroid          SPK-ID: 2160909
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03594106182649318 5.2026e-08  
a 2.794252633776371 2.2471e-08 au
q 2.693824227106973 1.4119e-07 au
i 6.890547746992952 5.5822e-06 deg
node 55.95827559952136 3.8346e-05 deg
peri 218.3606355939813 8.0559e-05 deg
M 153.1318331611746 7.3065e-05 deg
tp 2458474.795341270045
(2018-Dec-22.29534127)
0.00034391 TDB
period 1706.070330052201
4.67
2.058e-05
5.634e-08
d
yr
n .2110112306970282 2.5454e-09 deg/d
Q 2.894681040445769 2.3279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      7024 days (19.23 yr)  
   first obs. used      2001-10-24  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55708  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:19  

Additional Information
 Earth MOID = 1.67987 au 
 Jupiter MOID = 2.12861 au 
 T_jup = 3.316 
[ 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 16.3   n/a MPO449863  

160909 (2001 UD217)          Discovered 2001-Oct-24 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 2001 UD217 = 2004 JZ52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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