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JPL Small-Body Database Browser
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379754 (2011 GP84)
Classification: Main-belt Asteroid          SPK-ID: 2379754
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1275325763637563 5.5201e-08  
a 2.888799802837702 4.3422e-08 au
q 2.520383721382698 1.6054e-07 au
i 1.89652315841113 5.5853e-06 deg
node 196.7180526408269 0.00018176 deg
peri 98.71537309107629 0.00018311 deg
M 231.0273254511691 2.4149e-05 deg
tp 2459642.995071811034
(2022-Mar-04.49507181)
0.00012393 TDB
period 1793.389387799346
4.91
4.0435e-05
1.107e-07
d
yr
n .2007372199529703 4.5259e-09 deg/d
Q 3.257215884292705 4.8959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      5521 days (15.12 yr)  
   first obs. used      2004-12-20  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65044  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:13:35  

Additional Information
 Earth MOID = 1.5053 au 
 Jupiter MOID = 1.92633 au 
 T_jup = 3.278 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457445.5 (2016-Feb-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1268594678670776 5.5163e-08  
q 2.523050830738363 1.6002e-07 au
tp 2457847.002811903020
(2017-Apr-03.50281190)
0.00011869 TDB
node 196.7346577822892 0.00018179 deg
peri 98.23612251390891 0.00018314 deg
i 1.895780430075355 5.5857e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      5521 days (15.12 yr)  
   first obs. used      2004-12-20  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65044  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:13:35  

Additional Information
 Jupiter MOID = 1.92633 au 
 T_jup = 3.278 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.042976502554625E-15 -8.579916163645325E-15 1.194821283759801E-12 -8.667704267560594E-15 2.81452272893977E-13 1.383763123566732E-15
q -8.579916163645325E-15 2.560591920337076E-14 -3.506662284445061E-12 2.55545811661574E-14 -8.829370933177318E-13 -3.484495881570543E-15
tp 1.194821283759801E-12 -3.506662284445061E-12 1.40863790875178E-8 -2.854355329575862E-11 2.68823478940693E-9 6.629275673009694E-13
node -8.667704267560594E-15 2.55545811661574E-14 -2.854355329575862E-11 3.30466066327317E-8 -3.303356022254399E-8 -3.092442785068865E-10
peri 2.81452272893977E-13 -8.829370933177318E-13 2.68823478940693E-9 -3.303356022254399E-8 3.35416150448041E-8 3.092085669711162E-10
i 1.383763123566732E-15 -3.484495881570543E-15 6.629275673009694E-13 -3.092442785068865E-10 3.092085669711162E-10 3.12005737344462E-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 16.5   n/a MPO418933  

379754 (2011 GP84)          Discovered 2008-Oct-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

[ 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
1906-Feb-22 08:37 00:07 Jupiter 1.91023678343739 1.91023613498993 1.91023743188908 2.62348859977139 2.44864611603934 2417263.858959507 7.35311520847478 214.879760750413 9.14733258592267 85.8841425777608 2159021.19649211 T 18 CATAB v2.0f-lin.ifort 2020-Feb-26 03:13:40 2020-Feb-26 03:13
1931-May-26 10:37 00:06 Jupiter 1.9992947891777 1.99929280338079 1.99929677497585 2.48739747594894 2.31080611853908 2426487.942683402 5.64088478170726 143.269051642039 26.2685419486593 -65.662347797732 1703160.47177757 T 18 CATAB v2.0f-lin.ifort 2020-Feb-26 03:13:40 2020-Feb-26 03:13
1989-Nov-23 11:46 00:02 Jupiter 1.90837085704591 1.90837028250896 1.90837143158274 2.37967176801894 2.18521074301462 2447853.989934349 1.77445510708267 57.1127872621847 17.0458586828367 80.9577115392294 2329004.82543086 T 18 CATAB v2.0f-lin.ifort 2020-Feb-26 03:13:40 2020-Feb-26 03:13
2048-May-23 11:59 00:02 Jupiter 1.92502895788302 1.92502831323401 1.92502960253215 2.7325613433643 2.56649203003684 2469219.999383542 2.14123927519081 87.5388986111405 12.2937008627156 -86.8595631495558 2063831.74616017 T 18 CATAB v2.0f-lin.ifort 2020-Feb-26 03:13:40 2020-Feb-26 03:13
2073-Aug-26 02:04 00:04 Jupiter 1.98207900338664 1.98207801636889 1.98207999040474 2.43343097092483 2.2509787666363 2478445.586115649 3.83127477399333 90.9136574194124 21.3375223244911 -74.3761653033508 2018721.36379553 T 18 CATAB v2.0f-lin.ifort 2020-Feb-26 03:13:40 2020-Feb-26 03:13
2132-Feb-25 06:30 00:08 Jupiter 1.91217988606246 1.91217941134214 1.912180360783 2.42331034822045 2.23304938999035 2499811.770800497 7.71421488154638 96.8744096941159 21.2832289843104 66.7062348921758 1839172.54271489 T 18 CATAB v2.0f-lin.ifort 2020-Feb-26 03:13:40 2020-Feb-26 03:13
2190-Aug-26 09:42 00:12 Jupiter 1.94580057289661 1.94579828792636 1.94580285789131 2.86343190002873 2.70714356604763 2521178.904045514 11.506552198503 389.347388360302 13.5860058066014 -84.5934589653135 2017897.69964947 T 18 CATAB v2.0f-lin.ifort 2020-Feb-26 03:13:40 2020-Feb-26 03:13

Alternate Designations
 2011 GP84 = 2008 WR28 = 2011 HG103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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