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101867 (1999 LR15)
Classification: Main-belt Asteroid          SPK-ID: 2101867
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1969502376020032 4.2398e-08  
a 2.314949319863448 1.0017e-08 au
q 1.859019501279746 1.0009e-07 au
i 25.40571030300448 4.115e-06 deg
node 114.0372584152672 1.1224e-05 deg
peri 167.0321646969313 1.6476e-05 deg
M 327.0307388262154 1.2416e-05 deg
tp 2459118.319553478461
(2020-Sep-25.81955348)
4.4366e-05 TDB
period 1286.502570642142
3.52
8.35e-06
2.286e-08
d
yr
n .2798284342489191 1.8162e-09 deg/d
Q 2.770879138447149 1.199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1065  
   data-arc span      9735 days (26.65 yr)  
   first obs. used      1994-01-19  
   last obs. used      2020-09-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47529  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:06  

Additional Information
 Earth MOID = .84718 au 
 Jupiter MOID = 2.4452 au 
 T_jup = 3.429 
[ 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 15.4   n/a MPO366392  
diameter diameter 2.761 km 0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.472 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.211   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101867 (1999 LR15)          Discovered 1999-Jun-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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