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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 69 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1930361719027661 4.8107e-08  
a 3.193289164470346 2.6286e-08 au
q 2.576868848382408 1.6229e-07 au
i .2347279665880698 4.9262e-06 deg
node 345.8904832201214 0.0011187 deg
peri 35.09102741314926 0.0011188 deg
M 237.9308603247075 1.5681e-05 deg
tp 2459907.239200466072
(2022-Nov-23.73920047)
9.7596e-05 TDB
period 2084.278736170065
5.71
2.5736e-05
7.046e-08
d
yr
n .1727216200753996 2.1327e-09 deg/d
Q 3.809709480558284 3.136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      739  
   data-arc span      7616 days (20.85 yr)  
   first obs. used      1999-08-17  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57611  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:57:06  

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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1910-Apr-08 17:38 00:04 Jupiter 1.74380828725137 1.74380772138735 1.74380885311776 1.86445309959887 1.58263150474918 2418770.234789772 4.06006847874477 207.809184857743 22.4177992174286 -83.5766693404413 2225447.74968564 T 69 CATAB v2.0f-lin.ifort 2021-Apr-13 16:57:08 2021-Apr-13 16:57
1921-Sep-14 06:23 00:03 Jupiter 1.76344589228272 1.76344509563366 1.76344668893609 1.9468645823485 1.68215247855723 2422946.765989895 3.31711821345821 198.960824672542 17.5439298236484 -82.6358078950994 2224014.15949243 T 69 CATAB v2.0f-lin.ifort 2021-Apr-13 16:57:08 2021-Apr-13 16:57
1933-Feb-06 19:16 00:03 Jupiter 1.81158996350399 1.81158901385931 1.81159091315125 2.16441149352733 1.93637859746493 2427110.302853806 2.76905218183028 155.077519355405 7.79944031655049 -87.1723051878932 2195643.38099111 T 69 CATAB v2.0f-lin.ifort 2021-Apr-13 16:57:08 2021-Apr-13 16:57
1944-Jun-11 11:33 00:02 Jupiter 1.89302185538082 1.89302086762484 1.89302284313743 2.55655812576598 2.37510002742421 2431252.981016440 2.32252558068771 100.298231083184 9.88006559198398 82.9575961190247 1935681.65728907 T 69 CATAB v2.0f-lin.ifort 2021-Apr-13 16:57:08 2021-Apr-13 16:57
1955-Sep-22 19:09 00:02 Jupiter 1.99721272817008 1.99721183223614 1.99721362410403 3.13582624086485 2.99753258754155 2435373.298068334 1.91048238085547 63.9758240644744 22.1223384198592 74.0692017957223 1656112.28510381 T 69 CATAB v2.0f-lin.ifort 2021-Apr-13 16:57:08 2021-Apr-13 16:57
2067-Apr-16 01:26 00:02 Jupiter 1.95107873509189 1.95107821305181 1.95107925713186 3.09583499121482 2.95227599919405 2476121.559780207 1.95143151460078 47.3099339742786 14.6746795634525 89.6419224929155 2030391.71951628 T 69 CATAB v2.0f-lin.ifort 2021-Apr-13 16:57:08 2021-Apr-13 16:57
2078-Jul-24 00:43 00:02 Jupiter 1.84970892247613 1.84970830851127 1.84970953644078 2.50120169740953 2.31087988024268 2480238.529764076 2.42495107246055 53.7152738501833 7.422739751071 88.8311661314122 1700088.95413384 T 69 CATAB v2.0f-lin.ifort 2021-Apr-13 16:57:08 2021-Apr-13 16:57
2089-Nov-25 02:04 00:03 Jupiter 1.7781647255575 1.77816409322988 1.77816535788492 2.12081686321316 1.88286250258307 2484380.585893065 2.9380240229935 72.2878368353647 14.4581226349568 79.0415164123844 1702520.97108463 T 69 CATAB v2.0f-lin.ifort 2021-Apr-13 16:57:08 2021-Apr-13 16:57
2101-Apr-20 16:25 00:04 Jupiter 1.74092668230299 1.74092611843649 1.7409272461693 1.91819802255115 1.64511786650301 2488544.183951226 3.54433381921662 102.283961681139 26.8025571384217 74.5735789003413 1783920.01754705 T 69 CATAB v2.0f-lin.ifort 2021-Apr-13 16:57:08 2021-Apr-13 16:57
2112-Sep-25 19:59 00:04 Jupiter 1.73329342103067 1.73329294558494 1.73329389647599 1.8512600838743 1.56518616353892 2492720.332382014 4.32036998018004 146.150882978837 28.1244818879429 80.3621067272207 2014206.58942586 T 69 CATAB v2.0f-lin.ifort 2021-Apr-13 16:57:08 2021-Apr-13 16:57
2124-Mar-04 04:10 00:05 Jupiter 1.75656798512316 1.75656730707457 1.75656866317634 1.90454868237439 1.63183930045201 2496897.673506622 5.32177677363918 220.420006856274 18.7087885858975 87.8259893814442 2214672.03322871 T 69 CATAB v2.0f-lin.ifort 2021-Apr-13 16:57:08 2021-Apr-13 16:57
2135-Aug-04 16:46 00:07 Jupiter 1.80594813167761 1.80594688055739 1.80594938281322 2.07246523169709 1.83223245544734 2501068.198837678 6.56839613062436 314.435066364329 7.56943062037192 89.3709189417714 2330648.61381861 T 69 CATAB v2.0f-lin.ifort 2021-Apr-13 16:57:08 2021-Apr-13 16:57
2146-Dec-17 22:25 00:08 Jupiter 1.8816590309745 1.88165701953665 1.88166104243609 2.38295205666043 2.18590191964977 2505221.433840577 8.00689681422635 378.398584926221 5.33987465364909 85.7500430059209 2471344.48807642 T 69 CATAB v2.0f-lin.ifort 2021-Apr-13 16:57:08 2021-Apr-13 16:57
2158-Apr-11 01:37 00:10 Jupiter 1.98213838364222 1.98213567111436 1.98214109619138 2.86950036390885 2.71650088625735 2509353.567636711 9.49589222491939 369.476229433034 13.36315614122 78.6830847219206 2497142.66420168 T 69 CATAB v2.0f-lin.ifort 2021-Apr-13 16:57:08 2021-Apr-13 16:57

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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