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JPL Small-Body Database Browser
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201716 (2003 UN181)
Classification: Main-belt Asteroid          SPK-ID: 2201716
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06933544976155118 4.2135e-08  
a 2.90237750659463 2.8577e-08 au
q 2.701139856797082 1.3343e-07 au
i 6.624699759023237 7.6451e-06 deg
node 349.0956807504365 4.4773e-05 deg
peri 72.46835533830476 7.5913e-05 deg
M 24.59124404965887 6.0651e-05 deg
tp 2458477.130650329779
(2018-Dec-24.63065033)
0.00030381 TDB
period 1806.047949082737
4.94
2.6673e-05
7.303e-08
d
yr
n .1993302559784408 2.9439e-09 deg/d
Q 3.103615156392178 3.0558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      5529 days (15.14 yr)  
   first obs. used      2003-10-21  
   last obs. used      2018-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63051  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:57:57  

Additional Information
 Earth MOID = 1.72232 au 
 Jupiter MOID = 2.1221 au 
 T_jup = 3.273 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO433322  

201716 (2003 UN181)          Discovered 2003-Oct-21 by Spacewatch at Kitt Peak
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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