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JPL Small-Body Database Browser
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249959 (2001 UA27)
Classification: Main-belt Asteroid          SPK-ID: 2249959
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .171094484383898 6.0701e-08  
a 2.736718219541869 1.7573e-08 au
q 2.268480826865334 1.6974e-07 au
i 8.172250185582929 5.2518e-06 deg
node 246.9240196734581 4.7998e-05 deg
peri 135.6324404472315 5.1843e-05 deg
M 311.5944382312098 1.7088e-05 deg
tp 2458822.849581318337
(2019-Dec-05.34958132)
7.8266e-05 TDB
period 1653.64983587922
4.53
1.5928e-05
4.361e-08
d
yr
n .2177002604717665 2.0968e-09 deg/d
Q 3.204955612218405 2.058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      8525 days (23.34 yr)  
   first obs. used      1996-06-23  
   last obs. used      2019-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50547  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:49:26  

Additional Information
 Earth MOID = 1.28024 au 
 Jupiter MOID = 2.27959 au 
 T_jup = 3.316 
[ 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 16.2   n/a MPO450109  

249959 (2001 UA27)          Discovered 2001-Oct-16 by NEAT at Palomar
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

Alternate Designations
 2001 UA27 = 2005 NK90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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