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JPL Small-Body Database Browser
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423971 (2006 UN254)
Classification: Main-belt Asteroid          SPK-ID: 2423971
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1694010047361317 5.8253e-08  
a 2.401521093894821 2.0224e-08 au
q 1.994701007694024 1.4017e-07 au
i 2.270988044596247 1.0452e-05 deg
node 51.32738463227606 0.00020198 deg
peri 252.8354355002955 0.00020472 deg
M 314.3892294945977 3.5951e-05 deg
tp 2459172.723711178256
(2020-Nov-19.22371118)
0.00013647 TDB
period 1359.339808057582
3.72
1.7171e-05
4.701e-08
d
yr
n .2648344423271318 3.3454e-09 deg/d
Q 2.808341180095618 2.365e-08 au
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      5518 days (15.11 yr)  
   first obs. used      2002-10-05  
   last obs. used      2017-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65119  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:25:13  

Additional Information
 Earth MOID = .980945 au 
 Jupiter MOID = 2.4218 au 
 T_jup = 3.505 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456882.5 (2014-Aug-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1696895761450694 5.8238e-08  
q 1.993689470877377 1.3993e-07 au
tp 2456451.535232835177
(2013-Jun-08.03523283)
0.00012758 TDB
node 51.41923867443133 0.00020183 deg
peri 252.2663844400308 0.00020455 deg
i 2.271531702525303 1.0447e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      5518 days (15.11 yr)  
   first obs. used      2002-10-05  
   last obs. used      2017-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65119  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:25:13  

Additional Information
 Jupiter MOID = 2.4218 au 
 T_jup = 3.505 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.391621849792158E-15 -8.089124949023027E-15 2.44017310355519E-12 1.547504560279085E-14 6.089384227182408E-13 -2.376785110348811E-15
q -8.089124949023027E-15 1.958029969032667E-14 -5.607876454876378E-12 -3.507119313612661E-14 -1.375382423953686E-12 5.944136386163814E-15
tp 2.44017310355519E-12 -5.607876454876378E-12 1.627574501327876E-8 1.175362204228329E-10 4.307736002159231E-9 -6.045396077401352E-12
node 1.547504560279085E-14 -3.507119313612661E-14 1.175362204228329E-10 4.073630080423107E-8 -4.06704649558899E-8 -1.06116016440333E-9
peri 6.089384227182408E-13 -1.375382423953686E-12 4.307736002159231E-9 -4.06704649558899E-8 4.18405402707224E-8 1.058640302319555E-9
i -2.376785110348811E-15 5.944136386163814E-15 -6.045396077401352E-12 -1.06116016440333E-9 1.058640302319555E-9 1.091454634025568E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.0   n/a MPO427997  

423971 (2006 UN254)          Discovered 2006-Oct-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-02-04

Alternate Designations
 2006 UN254 = 2005 JR52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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