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312426 (2008 GL91)
Classification: Main-belt Asteroid          SPK-ID: 2312426
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09855947752234809 6.0918e-08  
a 3.080316760989926 3.0047e-08 au
q 2.776722350423428 1.9131e-07 au
i 9.923512889988629 5.2675e-06 deg
node 195.1089512272457 3.1742e-05 deg
peri 122.3393761897967 4.7564e-05 deg
M 22.59650446579547 3.012e-05 deg
tp 2459076.554644811333
(2020-Aug-15.05464481)
0.00016571 TDB
period 1974.656210010816
5.41
2.8893e-05
7.91e-08
d
yr
n .1823102159124844 2.6675e-09 deg/d
Q 3.383911171556425 3.3009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      7647 days (20.94 yr)  
   first obs. used      1999-11-09  
   last obs. used      2020-10-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61739  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:29:54  

Additional Information
 Earth MOID = 1.7783 au 
 Jupiter MOID = 1.95434 au 
 T_jup = 3.198 
[ 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 16.27   n/a E2021B25  

312426 (2008 GL91)          Discovered 2008-Apr-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ 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
1930-Jun-09 22:14 00:04 Jupiter 1.98619192851811 1.98619106365329 1.9861927933836 3.1422567538118 3.00347573112317 2426137.426093452 4.08170224801623 85.7555838448461 32.6439455251003 53.7260907855473 1794120.99277051 T 17 CATAB v2.0f-lin.ifort 2021-Apr-14 06:29:54 2021-Apr-14 06:29
2000-Feb-09 13:04 < 00:01 Jupiter 1.98500892729422 1.98500826090859 1.98500959367979 4.59973665336922 4.50601353010393 2451584.044351682 0.750862938755615 75.8238634475101 30.4155008364644 89.2757595136653 2658288.45971012 T 17 CATAB v2.0f-lin.ifort 2021-Apr-14 06:29:54 2021-Apr-14 06:29
2059-Nov-20 10:56 00:02 Jupiter 1.97416473644294 1.97416405513578 1.97416541775099 4.18643790418429 4.08266519583853 2473417.955854613 1.9978647173263 142.859717012703 26.1027827809671 -85.6689040694039 2492092.33354605 T 17 CATAB v2.0f-lin.ifort 2021-Apr-14 06:29:54 2021-Apr-14 06:29
2119-Sep-06 12:13 00:05 Jupiter 1.98517054350812 1.98516997800168 1.98517110901445 3.69382769243949 3.57645259341282 2495257.009134220 4.83179646048232 219.737917409197 23.702655974625 85.2969628885035 2240595.64641508 T 17 CATAB v2.0f-lin.ifort 2021-Apr-14 06:29:54 2021-Apr-14 06:29

Alternate Designations
 2008 GL91 = 1999 VC127 = 2004 TT18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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