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181504 (2006 UL39)
Classification: Main-belt Asteroid          SPK-ID: 2181504
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 .05757675523666961 4.9674e-08  
a 2.656313571274251 2.2079e-08 au
q 2.50337165494915 1.3459e-07 au
i .9274272003723102 5.2911e-06 deg
node 290.7244207747641 0.00034076 deg
peri 9.150196613976872 0.00034455 deg
M 188.590336422508 5.4267e-05 deg
tp 2459953.422438827109
(2023-Jan-08.92243883)
0.00024289 TDB
period 1581.31153355435
4.33
1.9716e-05
5.398e-08
d
yr
n .2276591249485291 2.8384e-09 deg/d
Q 2.809255487599353 2.335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      8551 days (23.41 yr)  
   first obs. used      1997-10-05  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55715  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:52  

Additional Information
 Earth MOID = 1.4857 au 
 Jupiter MOID = 2.3008 au 
 T_jup = 3.385 
[ 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 17.04   n/a MPCxxxxx  

181504 (2006 UL39)          Discovered 2006-Oct-16 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2006 UL39 = 2001 QM95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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