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154191 (2002 GP129)
Classification: Main-belt Asteroid          SPK-ID: 2154191
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04249493355800096 4.4081e-08  
a 2.909201992130311 2.5723e-08 au
q 2.785575646767929 1.3429e-07 au
i 1.769378055719864 5.1158e-06 deg
node 330.7157683758975 0.00017243 deg
peri 175.6422516613211 0.00018486 deg
M 284.7626691396723 6.755e-05 deg
tp 2459379.282687028722
(2021-Jun-13.78268703)
0.00034153 TDB
period 1812.421649878635
4.96
2.4038e-05
6.581e-08
d
yr
n .1986292759326212 2.6344e-09 deg/d
Q 3.032828337492692 2.6816e-08 au
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      9240 days (25.30 yr)  
   first obs. used      1994-10-11  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60781  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:30:52  

Additional Information
 Earth MOID = 1.79703 au 
 Jupiter MOID = 1.95361 au 
 T_jup = 3.282 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457149.5 (2015-May-07.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04108365816157301 4.5028e-08  
q 2.788761521083809 1.365e-07 au
tp 2457581.419807827840
(2016-Jul-11.91980783)
0.000341 TDB
node 330.8941339418976 0.0001718 deg
peri 178.4275783780461 0.00018464 deg
i 1.773618244376295 5.1235e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      9240 days (25.30 yr)  
   first obs. used      1994-10-11  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60781  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:30:52  

Additional Information
 Jupiter MOID = 1.95361 au 
 T_jup = 3.282 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.027525611405056E-15 -6.047576798577062E-15 3.131561050406773E-12 -7.559942630793844E-15 6.567178932364994E-13 -2.436568393616277E-17
q -6.047576798577062E-15 1.863305470559062E-14 -7.223668900318056E-12 2.048409180134226E-14 -1.565170656130324E-12 3.091068640209419E-16
tp 3.131561050406773E-12 -7.223668900318056E-12 1.162780096232522E-7 -3.454197010246754E-12 2.310835661870144E-8 1.118065488982239E-12
node -7.559942630793844E-15 2.048409180134226E-14 -3.454197010246754E-12 2.951390119425783E-8 -2.949986912214348E-8 2.234496389302458E-10
peri 6.567178932364994E-13 -1.565170656130324E-12 2.310835661870144E-8 -2.949986912214348E-8 3.409180254578529E-8 -2.231337106449069E-10
i -2.436568393616277E-17 3.091068640209419E-16 1.118065488982239E-12 2.234496389302458E-10 -2.231337106449069E-10 2.625014424509107E-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 16.0   n/a MPO454000  

154191 (2002 GP129)          Discovered 2002-Apr-12 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ 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
1974-Jun-07 11:12 00:02 Jupiter 1.9842318878684 1.98423144968257 1.98423232605446 3.31399500761527 3.18257904124663 2442205.966324338 1.626246700113 85.3330892221506 14.5365695345916 -85.4430836426556 3198568.55000571 T 16 CATAB v2.0f-lin.ifort 2020-Feb-24 09:30:56 2020-Feb-24 09:30
2034-Mar-22 17:00 < 00:01 Jupiter 1.96362948740598 1.96362904209648 1.96362993271537 3.26341395373059 3.12844362174256 2464044.208193569 0.737590104773609 56.3370377311694 15.0521774171447 -85.1222873840392 2979244.43473976 T 16 CATAB v2.0f-lin.ifort 2020-Feb-24 09:30:56 2020-Feb-24 09:30
2094-Jan-05 16:17 00:03 Jupiter 1.96587883158019 1.96587836203497 1.96587930112553 3.28633947400401 3.15250743174187 2485883.178381387 3.05761260791218 154.912369857036 16.2463033217057 89.3255466264347 2873569.15211132 T 16 CATAB v2.0f-lin.ifort 2020-Feb-24 09:30:56 2020-Feb-24 09:30
2153-Oct-22 23:29 00:05 Jupiter 1.9904704567251 1.99046962505335 1.99047128840308 3.39294710074906 3.2651205677209 2507722.478245352 5.37861433068099 229.698012966204 18.4244526950167 83.5427671783016 2827492.0323813 T 16 CATAB v2.0f-lin.ifort 2020-Feb-24 09:30:56 2020-Feb-24 09:30
2187-Nov-03 02:40 00:07 Jupiter 1.99674069361085 1.99673941545057 1.99674197178248 3.35578236924082 3.22689792026044 2520151.610987063 6.679003337517 265.310556369104 15.8471779797568 -78.8304280623445 3247052.08368034 T 16 CATAB v2.0f-lin.ifort 2020-Feb-24 09:30:56 2020-Feb-24 09:30

Alternate Designations
 2002 GP129 = 1997 GS13 = 2004 TH26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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