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59430 (1999 GT12)
Classification: Main-belt Asteroid          SPK-ID: 2059430
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05382080389916433 3.6385e-08  
a 3.154822831611106 2.2344e-08 au
q 2.985027730654359 1.1812e-07 au
i 8.331927211737399 5.7319e-06 deg
node 201.1315486090975 2.8308e-05 deg
peri 274.1418714002466 6.1846e-05 deg
M 37.16615435563536 5.4152e-05 deg
tp 2458989.196828705657
(2020-May-19.69682871)
0.00030782 TDB
period 2046.731575671602
5.60
2.1744e-05
5.953e-08
d
yr
n .1758901872034059 1.8686e-09 deg/d
Q 3.324617932567854 2.3547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1028  
   data-arc span      8854 days (24.24 yr)  
   first obs. used      1996-10-18  
   last obs. used      2021-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53725  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 05:47:00  

Additional Information
 Earth MOID = 2.01651 au 
 Jupiter MOID = 1.7644 au 
 T_jup = 3.188 
[ 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 14.26   n/a E2021B10  
diameter diameter 8.724 km 0.234 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59430 (1999 GT12)          Discovered 1999-Apr-12 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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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
1940-Jul-07 12:38 00:02 Jupiter 1.85949065691889 1.85948990276573 1.85949141107554 4.09021853519967 3.97729321161709 2429818.026441585 2.46611966843546 173.780051251839 21.880843243585 81.3829175365733 3018981.70947112 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 05:47:02 2021-Feb-24 05:47
1951-Feb-18 01:19 00:02 Jupiter 1.81426541690584 1.81426487195055 1.81426596186155 3.38777878860294 3.24704620637392 2433695.554893240 2.18706571164995 139.954499633613 20.8215740454005 -83.8229195786456 2442170.78606605 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 05:47:02 2021-Feb-24 05:47
1961-Sep-07 16:44 00:02 Jupiter 1.93346276280819 1.9334621336795 1.93346339193732 2.91578854923945 2.76145818935081 2437550.196977959 1.86926290542065 73.477373431513 12.0394705064755 -70.8061909261393 3357044.99120271 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 05:47:02 2021-Feb-24 05:47
2047-Jan-04 17:38 00:01 Jupiter 1.82484960933279 1.82484909836148 1.82485012030411 3.93493521680899 3.81515331389435 2468715.234491809 1.05005138271222 81.7925165136909 21.8020287124642 86.8396535601721 2796779.61047758 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 05:47:02 2021-Feb-24 05:47
2057-Aug-12 16:28 00:01 Jupiter 1.83055417208535 1.83055360793595 1.83055473623507 3.24740278645701 3.10164431127723 2472588.186227660 1.48149840101462 93.2634451088365 19.7540830111966 -79.2795315650555 2529114.10219966 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 05:47:02 2021-Feb-24 05:47
2068-Feb-28 22:01 00:02 Jupiter 1.9744295019751 1.97442881087108 1.97443019307945 3.01009861759174 2.86403588113213 2476440.417395554 1.90040509665209 63.536673335405 12.6439691435744 -65.3224050562785 3286757.04805003 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 05:47:02 2021-Feb-24 05:47
2142-Nov-15 09:28 00:04 Jupiter 1.95945703519413 1.95945544065321 1.95945862974307 4.2124023661876 4.10850161317355 2503727.894243964 4.1798709853335 225.501763144042 22.6280747936075 70.9970347401784 3402357.81818184 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 05:47:02 2021-Feb-24 05:47
2153-Jul-01 19:50 00:05 Jupiter 1.79613481985073 1.7961341965844 1.79613544312492 3.7785486958796 3.65161181493113 2507609.326407562 4.55122553694085 328.592516486056 21.7356621696179 88.0485332907895 2636167.14318986 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 05:47:02 2021-Feb-24 05:47
2164-Feb-02 22:57 00:05 Jupiter 1.85460518353042 1.85460397765547 1.85460638941633 3.138262449941 2.98919135703069 2511477.455934147 5.16428495212022 256.823535690716 18.1948525698177 -74.598687360107 2695170.33257317 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 05:47:02 2021-Feb-24 05:47

Alternate Designations
 1999 GT12 = 2001 QG185 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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