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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06457011383589177 6.6904e-08  
a 3.204157570587763 4.1296e-08 au
q 2.997264751506777 2.202e-07 au
i 9.66566918409764 8.8685e-06 deg
node .9970226446350731 3.0378e-05 deg
peri 126.4898365729981 6.9111e-05 deg
M 299.4657408033411 6.1152e-05 deg
tp 2459352.763751506006
(2021-May-18.26375151)
0.00035747 TDB
period 2094.928594569492
5.74
4.05e-05
1.109e-07
d
yr
n .1718435659015767 3.3222e-09 deg/d
Q 3.411050389668749 4.3963e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      7587 days (20.77 yr)  
   first obs. used      1999-04-12  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53566  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:42:19  

Additional Information
 Earth MOID = 2.02354 au 
 Jupiter MOID = 1.62076 au 
 T_jup = 3.168 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457201.5 (2015-Jun-28.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06311133908153124 6.9794e-08  
q 3.00249314653826 2.2991e-07 au
tp 2457274.315256139779
(2015-Sep-08.81525614)
0.00034425 TDB
node 1.043655875424007 3.0371e-05 deg
peri 129.3864157165646 6.8048e-05 deg
i 9.668476234251987 8.8689e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      7587 days (20.77 yr)  
   first obs. used      1999-04-12  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53566  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:42:19  

Additional Information
 Jupiter MOID = 1.62076 au 
 T_jup = 3.168 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.871168967402479E-15 -1.58182387313212E-14 1.347646175442968E-11 -2.788932316611007E-14 2.463335520623539E-12 6.03949436061899E-16
q -1.58182387313212E-14 5.285735410096097E-14 -4.179471034545418E-11 8.758299968171895E-14 -7.669437866729017E-12 1.251181936696114E-16
tp 1.347646175442968E-11 -4.179471034545418E-11 1.185052449844795E-7 -1.660316065643396E-10 2.097897417828603E-8 1.284846021184012E-11
node -2.788932316611007E-14 8.758299968171895E-14 -1.660316065643396E-10 9.224268261532709E-10 -9.382653248007077E-10 -4.270574646979415E-11
peri 2.463335520623539E-12 -7.669437866729017E-12 2.097897417828603E-8 -9.382653248007077E-10 4.63059033068554E-9 4.428462614859355E-11
i 6.03949436061899E-16 1.251181936696114E-16 1.284846021184012E-11 -4.270574646979415E-11 4.428462614859355E-11 7.865807212063821E-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

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