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175270 (2005 JL145)
Classification: Main-belt Asteroid          SPK-ID: 2175270
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1284967524935863 3.7187e-08  
a 2.384627463493775 1.2149e-08 au
q 2.078210578527807 8.9024e-08 au
i 3.262475736222097 4.2088e-06 deg
node 89.37935641974455 7.733e-05 deg
peri 118.7341774140981 7.9342e-05 deg
M 107.7193828055 1.8457e-05 deg
tp 2458798.041972298251
(2019-Nov-10.54197230)
6.7705e-05 TDB
period 1345.021538363587
3.68
1.0279e-05
2.814e-08
d
yr
n .2676537064514164 2.0454e-09 deg/d
Q 2.691044348459743 1.371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      7042 days (19.28 yr)  
   first obs. used      2001-03-19  
   last obs. used      2020-06-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58474  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:04:42  

Additional Information
 Earth MOID = 1.07456 au 
 Jupiter MOID = 2.27028 au 
 T_jup = 3.523 
[ 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 16.98   n/a E2021B55  
rotation period rot_per 5.48 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

175270 (2005 JL145)          Discovered 2005-May-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 2005 JL145 = 2001 FE116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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