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245378 (2005 GD91)
Classification: Outer Main-belt Asteroid          SPK-ID: 2245378
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06466235181917311 6.2777e-08  
a 3.204922421444664 3.5352e-08 au
q 2.997684600276053 2.1339e-07 au
i 9.665355408559625 6.789e-06 deg
node .9895382074638898 3.0294e-05 deg
peri 126.2964888662671 6.0632e-05 deg
M 334.0193067202802 4.9194e-05 deg
tp 2459351.742185356516
(2021-May-17.24218536)
0.00028612 TDB
period 2095.67874660398
5.74
3.4675e-05
9.493e-08
d
yr
n .1717820541833404 2.8423e-09 deg/d
Q 3.412160242613275 3.7638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      8003 days (21.91 yr)  
   first obs. used      1999-04-12  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49296  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:51:19  

Additional Information
 Earth MOID = 2.02397 au 
 Jupiter MOID = 1.61939 au 
 T_jup = 3.168 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457498.5 (2016-Apr-20.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06427692642340965 6.462e-08  
q 3.001787798028816 2.2105e-07 au
tp 2457271.825379402231
(2015-Sep-06.32537940)
0.00028428 TDB
node 1.028080333857436 3.025e-05 deg
peri 128.9036865291729 5.9297e-05 deg
i 9.671705543119584 6.7926e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      8003 days (21.91 yr)  
   first obs. used      1999-04-12  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49296  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:51:19  

Additional Information
 Jupiter MOID = 1.61939 au 
 T_jup = 3.168 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.175771685714745E-15 -1.413448188894207E-14 8.615423504938544E-12 -1.749885673176349E-14 1.628637958695588E-12 -5.87669631431187E-15
q -1.413448188894207E-14 4.886465432420758E-14 -2.999295799228641E-11 5.908085413324298E-14 -5.640149881403352E-12 2.053488481702148E-14
tp 8.615423504938544E-12 -2.999295799228641E-11 8.081708794108898E-8 -8.981983939075438E-11 1.452040670988505E-8 7.696450290757415E-13
node -1.749885673176349E-14 5.908085413324298E-14 -8.981983939075438E-11 9.150355525764601E-10 -9.180144670404914E-10 -3.276580285351207E-11
peri 1.628637958695588E-12 -5.640149881403352E-12 1.452040670988505E-8 -9.180144670404914E-10 3.516142497251116E-9 3.2362700474958E-11
i -5.87669631431187E-15 2.053488481702148E-14 7.696450290757415E-13 -3.276580285351207E-11 3.2362700474958E-11 4.613895170599672E-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 15.3   n/a MPO454806  

245378 (2005 GD91)          Discovered 2005-Apr-06 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ 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
1904-Aug-01 22:59 00:06 Jupiter 1.82983832202696 1.82983629772508 1.82984034633019 4.04079709336879 3.92457025610711 2416694.457436376 6.02180887009596 153.045864420197 68.8049746204412 58.7349558576744 1927302.13867091 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 01:51:20 2021-Apr-14 01:51
1915-Oct-03 18:37 00:05 Jupiter 1.74425103514579 1.74425018805302 1.74425188224184 3.90773698904714 3.78142725486069 2420774.275680596 5.13218298814069 313.231695542117 34.4849246994205 87.343267358647 1960586.06201309 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 01:51:20 2021-Apr-14 01:51
1926-Dec-11 20:36 00:04 Jupiter 1.75397118303559 1.75397005422714 1.75397231184504 3.68118396759767 3.54757401510628 2424861.358506703 4.47986697297925 139.797700531987 48.0133802282022 -76.2780151162799 1906570.02763173 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 01:51:20 2021-Apr-14 01:51
1938-Feb-16 08:16 00:04 Jupiter 1.84241535974302 1.84241377672139 1.84241694276496 3.3854925438488 3.24685849793587 2428945.844543373 4.00647932110865 96.1482923210684 54.3578349137716 39.4571105083103 2013623.38475221 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 01:51:20 2021-Apr-14 01:51
1949-Apr-12 02:26 00:04 Jupiter 1.97032040180298 1.97031890646987 1.97032189713608 3.16207172326755 3.02306402302235 2433018.601673721 3.52694836804166 81.5608498662184 45.5391392102219 33.8810315207859 2200242.6804906 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 01:51:20 2021-Apr-14 01:51
2083-Jan-10 08:13 00:03 Jupiter 1.90417105917179 1.9041695776961 1.90417254064758 3.87273862896418 3.75612232064861 2481869.842682356 3.12056684599471 81.2130033843994 54.7875310196302 -41.5048218160818 1998329.89152044 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 01:51:20 2021-Apr-14 01:51
2094-Mar-03 07:49 00:03 Jupiter 1.76993131198068 1.76993003725048 1.76993258671188 3.85598674922561 3.72981354548281 2485939.825549784 3.47473673440537 153.510743663459 50.8554268317786 77.4420187768427 1866781.27778153 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 01:51:20 2021-Apr-14 01:51
2105-May-10 15:05 00:04 Jupiter 1.71945668555052 1.71945592195997 1.71945744914146 3.79203216028509 3.65982059612808 2490025.128772732 3.91108393251008 242.681672249606 32.8140381604669 88.6871806620724 1873238.60209368 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 01:51:20 2021-Apr-14 01:51
2116-Jul-22 12:37 00:05 Jupiter 1.7628355659846 1.7628343264546 1.7628368055146 3.63129726793862 3.49647572768117 2494116.025359932 4.58299091266004 98.3852631171297 64.5178666074887 84.2254702163201 2011203.79341879 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 01:51:20 2021-Apr-14 01:51
2127-Sep-25 21:24 00:05 Jupiter 1.87781035242329 1.8778082213284 1.87781248352012 3.41167957347501 3.27680011718719 2498198.391455403 5.48197174957629 149.850603068865 41.574891215254 43.0054786254632 2312192.18055223 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 01:51:20 2021-Apr-14 01:51

Alternate Designations
 2005 GD91 = 1999 GA12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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