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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1971415730029391 4.2356e-08  
a 2.315452014089891 1.0094e-08 au
q 1.858980161819386 1.0013e-07 au
i 25.40535659940513 4.1146e-06 deg
node 114.0368600633904 1.1223e-05 deg
peri 166.9768341598657 1.6468e-05 deg
M 23.0261114378172 1.2403e-05 deg
tp 2459118.186663503544
(2020-Sep-25.68666350)
4.4329e-05 TDB
period 1286.92164192588
3.52
8.4153e-06
2.304e-08
d
yr
n .279737311326321 1.8292e-09 deg/d
Q 2.771923866360395 1.2084e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47526  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:05  

Additional Information
 Earth MOID = .845244 au 
 Jupiter MOID = 2.44367 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 15.44   n/a E2021B55  
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. 2020-October); 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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