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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1713220655463411 6.0662e-08  
a 2.737290252944299 1.745e-08 au
q 2.268332032810015 1.6972e-07 au
i 8.17192215210342 5.2118e-06 deg
node 246.9250858263788 4.7449e-05 deg
peri 135.6700436519909 5.1321e-05 deg
M 38.63589179727138 1.6843e-05 deg
tp 2458822.971475439568
(2019-Dec-05.47147544)
7.755e-05 TDB
period 1654.168335937544
4.53
1.5818e-05
4.331e-08
d
yr
n .2176320221943799 2.0811e-09 deg/d
Q 3.206248473078583 2.044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      8551 days (23.41 yr)  
   first obs. used      1996-06-23  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50334  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:46:34  

Additional Information
 Earth MOID = 1.2808 au 
 Jupiter MOID = 2.28039 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 16.3   n/a MPO494363  

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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