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JPL Small-Body Database Browser
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277142 (2005 LG8)
Classification: Apollo [NEO]          SPK-ID: 2277142
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 79 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8271907830194644 5.4551e-08  
a 1.755641736024341 1.6642e-08 au
q .3033910737007146 9.692e-08 au
i 26.56253473197252 1.0789e-05 deg
node 211.3075980866657 1.5338e-05 deg
peri 193.8021757862513 1.6145e-05 deg
M 292.1483783967645 1.3051e-05 deg
tp 2458760.643753119654
(2019-Oct-04.14375312)
3.2195e-05 TDB
period 849.6738878282944
2.33
1.2081e-05
3.308e-08
d
yr
n .4236919660084344 6.0244e-09 deg/d
Q 3.207892398347967 3.0408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      5193 days (14.22 yr)  
   first obs. used      2005-06-07  
   last obs. used      2019-08-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54409  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:46:32  

Additional Information
 Earth MOID = .309931 au 
 Jupiter MOID = 2.24149 au 
 T_jup = 3.548 
[ 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 16.7   n/a MPO446373  
rotation period rot_per 4.63 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

277142 (2005 LG8)          Discovered 2005-Jun-07 by CSS at Catalina
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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