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18011 (1999 JQ113)
Classification: Outer Main-belt Asteroid          SPK-ID: 2018011
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1761814272502646 4.6712e-08  
a 3.222690115180634 1.7894e-08 au
q 2.65491197110279 1.4968e-07 au
i 1.804561150918876 4.429e-06 deg
node 143.3876897257014 0.00012275 deg
peri 192.6716769407531 0.0001233 deg
M 208.5521994130393 1.449e-05 deg
tp 2460285.469205996334
(2023-Dec-06.96920600)
8.8857e-05 TDB
period 2113.13015387715
5.79
1.76e-05
4.819e-08
d
yr
n .1703633821795007 1.4189e-09 deg/d
Q 3.790468259258478 2.1047e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1481  
   data-arc span      10714 days (29.33 yr)  
   first obs. used      1992-02-29  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52729  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:57:07  

Additional Information
 Earth MOID = 1.6446 au 
 Jupiter MOID = 1.59521 au 
 T_jup = 3.163 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457143.5 (2015-May-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1725820587531905 4.6004e-08  
q 2.67385844968546 1.4624e-07 au
tp 2458169.477817517446
(2018-Feb-19.97781752)
8.3051e-05 TDB
node 143.3517085379334 0.00012278 deg
peri 191.7885306619349 0.00012336 deg
i 1.801291120369341 4.4236e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1481  
   data-arc span      10714 days (29.33 yr)  
   first obs. used      1992-02-29  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52729  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:57:07  

Additional Information
 Jupiter MOID = 1.59521 au 
 T_jup = 3.163 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.116349628169602E-15 -6.692214450457661E-15 2.090121032229752E-12 -6.882144812412264E-15 2.807016111684776E-13 -4.879356584426725E-16
q -6.692214450457661E-15 2.138568659434868E-14 -6.228254669361113E-12 2.251693947924464E-14 -8.579073212823296E-13 1.527421543487048E-15
tp 2.090121032229752E-12 -6.228254669361113E-12 6.897433079752999E-9 -3.884362988977529E-11 1.014777642507793E-9 -1.577932148384093E-12
node -6.882144812412264E-15 2.251693947924464E-14 -3.884362988977529E-11 1.507549773519261E-8 -1.507275794921781E-8 2.170225096159632E-10
peri 2.807016111684776E-13 -8.579073212823296E-13 1.014777642507793E-9 -1.507275794921781E-8 1.52185070959731E-8 -2.171362027462879E-10
i -4.879356584426725E-16 1.527421543487048E-15 -1.577932148384093E-12 2.170225096159632E-10 -2.171362027462879E-10 1.95684388514651E-11

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 13.96   n/a MPCxxxxx  
diameter diameter 7.204 km 0.712 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18011 (1999 JQ113)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
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
1969-Jul-02 13:28 00:02 Jupiter 1.92823905460953 1.92823788143419 1.92824022778486 2.43545784638765 2.2478678333064 2440405.061434187 1.84382240744682 79.3735914691965 10.7838604841056 -75.6818893127149 1724778.61101383 T 31 CATAB v2.0g-lin.ifort 2021-Jul-08 17:57:19 2021-Jul-08 17:57
1980-Sep-11 20:35 00:01 Jupiter 1.75276864852465 1.7527677276773 1.75276956937111 1.80509675189941 1.51389485646657 2444494.357520969 1.37936176577726 80.3444290560735 39.4945729987153 84.2302482090928 1356349.8306616 T 31 CATAB v2.0g-lin.ifort 2021-Jul-08 17:57:19 2021-Jul-08 17:57
1991-Dec-16 04:55 < 00:01 Jupiter 1.62947947622447 1.6294788565022 1.62948009594554 1.45718959715905 1.04104663886773 2448606.705120534 0.887613246182517 154.252883371823 107.61614823334 -26.6300948263493 1592062.35891044 T 31 CATAB v2.0g-lin.ifort 2021-Jul-08 17:57:19 2021-Jul-08 17:57
2003-Apr-04 03:43 < 00:01 Jupiter 1.57841386049908 1.57841345644488 1.57841426455274 1.36586707049166 0.890132030753688 2452733.655061178 0.457619567852506 207.702258798206 117.843914832798 -27.2606599463599 2185939.85981411 T 31 CATAB v2.0g-lin.ifort 2021-Jul-08 17:57:19 2021-Jul-08 17:57
2014-Jul-17 19:23 < 00:01 Jupiter 1.59922212079048 1.59922181440346 1.59922242717731 1.51688361101959 1.11429024457201 2456856.307967392 0.199631301277678 88.2307515464999 70.8093454905541 -58.0363060483359 2693787.86807602 T 31 CATAB v2.0g-lin.ifort 2021-Jul-08 17:57:19 2021-Jul-08 17:57
2025-Oct-02 17:03 < 00:01 Jupiter 1.69804505437826 1.69804471845755 1.69804539029888 2.00621564889552 1.73990140493276 2460951.210747615 0.374666671848385 53.4437324360294 10.0641991374778 86.6818509576568 3197513.65735344 T 31 CATAB v2.0g-lin.ifort 2021-Jul-08 17:57:19 2021-Jul-08 17:57
2036-Nov-14 03:09 < 00:01 Jupiter 1.86565806451514 1.86565758146111 1.86565854756907 2.94310200069118 2.78457081909163 2465011.631134307 0.65502626586977 44.7364199541797 14.9917521347937 -88.0244642020646 2877287.51570615 T 31 CATAB v2.0g-lin.ifort 2021-Jul-08 17:57:19 2021-Jul-08 17:57
2147-Aug-28 08:36 00:02 Jupiter 1.8678785695841 1.86787761645037 1.86787952271783 2.19785706457523 1.98081810628972 2505474.858074440 2.08711256295183 85.9381658479369 4.50462739504309 -86.4846775937071 1712294.49789421 T 31 CATAB v2.0g-lin.ifort 2021-Jul-08 17:57:19 2021-Jul-08 17:57
2158-Nov-17 14:10 00:02 Jupiter 1.71963480660888 1.71963395845564 1.71963565476164 1.68796460071405 1.3653224653573 2509574.090137804 2.22210426189216 117.874673037645 62.1043631726828 76.8526537774527 1427408.28193932 T 31 CATAB v2.0g-lin.ifort 2021-Jul-08 17:57:19 2021-Jul-08 17:57
2170-Feb-27 15:49 00:02 Jupiter 1.62763706485802 1.62763646266805 1.62763766704734 1.44055487921507 1.01705365427951 2513694.158792964 2.44776838565187 169.578793623798 154.007880291703 -77.654490821306 1600471.24936206 T 31 CATAB v2.0g-lin.ifort 2021-Jul-08 17:57:19 2021-Jul-08 17:57
2181-Jun-18 01:54 00:03 Jupiter 1.60641435782951 1.60641399654301 1.60641471911574 1.43078730487277 0.996294051938527 2517822.578987292 2.86254775240823 214.848881460472 105.01376919643 -61.2940716504917 2361224.68552224 T 31 CATAB v2.0g-lin.ifort 2021-Jul-08 17:57:19 2021-Jul-08 17:57
2192-Sep-25 16:20 00:04 Jupiter 1.65215887867279 1.65215816317249 1.6521595941745 1.66160468582703 1.31741328432751 2521940.180558788 3.51406335975481 167.723040949102 45.7513289349384 -56.6901122293099 2169445.34810209 T 31 CATAB v2.0g-lin.ifort 2021-Jul-08 17:57:19 2021-Jul-08 17:57

Alternate Designations
 1999 JQ113 = 1992 DC4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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