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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 ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09931405971422684 6.1032e-08  
a 3.082923330053304 4.4459e-08 au
q 2.776745698358007 1.932e-07 au
i 9.918765862676155 7.8067e-06 deg
node 195.1498553126648 3.4022e-05 deg
peri 122.4535783778091 5.2825e-05 deg
M 346.0249817809387 3.9903e-05 deg
tp 2459077.252476134585
(2020-Aug-15.75247613)
0.00021972 TDB
period 1977.163176128345
5.41
4.2769e-05
1.171e-07
d
yr
n .1820790536393396 3.9387e-09 deg/d
Q 3.389100961748601 4.8875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      7140 days (19.55 yr)  
   first obs. used      1999-11-09  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:46:12  

Additional Information
 Earth MOID = 1.7802 au 
 Jupiter MOID = 1.95336 au 
 T_jup = 3.197 
[ 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 16.1   n/a MPO437379  

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

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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
1930-Jun-09 22:14 00:06 Jupiter 1.9861919218395 1.98619094867948 1.98619289500132 3.14225531318178 3.00347422266439 2426137.426641617 5.81371922153283 127.837351330036 40.8537164074642 61.8312874568156 1070255.3142764 T 15 CATAB v2.0f-lin.ifort 2020-Feb-25 18:46:14 2020-Feb-25 18:46
2000-Feb-09 13:04 < 00:01 Jupiter 1.98500886928569 1.98500812991839 1.985009608653 4.59973643506015 4.5060133039636 2451584.044427934 0.956969954020921 89.6516939354151 32.7063201785233 -85.4698901810217 2055150.53221605 T 15 CATAB v2.0f-lin.ifort 2020-Feb-25 18:46:14 2020-Feb-25 18:46
2059-Nov-20 10:56 00:03 Jupiter 1.97416467292637 1.97416395664215 1.97416538921059 4.1864382144058 4.08266550998346 2473417.955729248 2.90608498911529 194.131918645582 30.982304130967 89.7009298474205 1852682.52778203 T 15 CATAB v2.0f-lin.ifort 2020-Feb-25 18:46:14 2020-Feb-25 18:46
2119-Sep-06 12:13 00:07 Jupiter 1.98517046194319 1.98516970527112 1.98517121861854 3.69382832521499 3.57645324139449 2495257.008880090 6.94757013819153 306.561244540696 28.4899672541065 82.4701713607417 1532900.01156533 T 15 CATAB v2.0f-lin.ifort 2020-Feb-25 18:46:14 2020-Feb-25 18:46

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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