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JPL Small-Body Database Browser
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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 66 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1929645635125242 4.8907e-08  
a 3.193157503986373 2.7104e-08 au
q 2.576991260002901 1.6465e-07 au
i .2347366799654534 5.505e-06 deg
node 345.8897463286522 0.0012189 deg
peri 35.13792533390068 0.001219 deg
M 203.317433864305 1.6052e-05 deg
tp 2459907.583178397951
(2022-Nov-24.08317840)
0.00010075 TDB
period 2084.149834133134
5.71
2.6536e-05
7.265e-08
d
yr
n .1727323026896172 2.1993e-09 deg/d
Q 3.809323747969845 3.2334e-08 au
  Orbit Determination Parameters
   # obs. used (total)      668  
   data-arc span      7173 days (19.64 yr)  
   first obs. used      1999-08-17  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58813  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:29:39  

Additional Information
 Earth MOID = 1.57984 au 
 Jupiter MOID = 1.65325 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 15.2   n/a MPO385519  
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

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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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