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118401 LINEAR (1999 RE70)
Classification: Main-belt Asteroid          SPK-ID: 2118401
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 68 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1930361703349467 4.8689e-08  
a 3.193289159864834 2.6442e-08 au
q 2.576868849672427 1.644e-07 au
i .2347277339026603 4.9437e-06 deg
node 345.8903736653491 0.0011379 deg
peri 35.09113625687096 0.001138 deg
M 237.9308613918597 1.5692e-05 deg
tp 2459907.239192758681
(2022-Nov-23.73919276)
9.7678e-05 TDB
period 2084.278731660998
5.71
2.5888e-05
7.088e-08
d
yr
n .1727216204490604 2.1453e-09 deg/d
Q 3.809709470057242 3.1546e-08 au
  Orbit Determination Parameters
   # obs. used (total)      735  
   data-arc span      7616 days (20.85 yr)  
   first obs. used      1999-08-17  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57713  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:11:49  

Additional Information
 Earth MOID = 1.57838 au 
 Jupiter MOID = 1.65407 au 
 T_jup = 3.167 
[ 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 15.21   n/a E2021B55  
diameter diameter 3.500 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[ambos] (http://adsabs.harvard.edu/abs/2012ApJ...747...49B)  
geometric albedo albedo 0.070   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[ambos] (http://adsabs.harvard.edu/abs/2012ApJ...747...49B)  

118401 LINEAR           Discovered 1999 Sept. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
LINEAR is the acronym for Lincoln Laboratory Near-Earth Asteroid Research.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060613/MPCPages.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 1999 RE70 = 176P = 2001 AR7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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