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JPL Small-Body Database Browser
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172148 (2002 LU5)
Classification: Main-belt Asteroid          SPK-ID: 2172148
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1798438672080335 3.7327e-08  
a 2.410672048082789 1.3345e-08 au
q 1.97712746438527 9.4273e-08 au
i .7274986083248502 4.1935e-06 deg
node 327.091644204826 0.00042766 deg
peri 326.5842563826989 0.00042794 deg
M 254.4737706234154 1.7065e-05 deg
tp 2459401.240785232870
(2021-Jul-05.74078523)
6.6427e-05 TDB
period 1367.116815753912
3.74
1.1352e-05
3.108e-08
d
yr
n .2633278998923541 2.1866e-09 deg/d
Q 2.844216631780309 1.5745e-08 au
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      7008 days (19.19 yr)  
   first obs. used      1999-10-06  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58829  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:20:17  

Additional Information
 Earth MOID = .961077 au 
 Jupiter MOID = 2.34424 au 
 T_jup = 3.497 
[ 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 17.0   n/a MPO469844  
rotation period rot_per 4.29 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

172148 (2002 LU5)          Discovered 2002-Jun-04 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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