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27752 (1991 GL8)
Classification: Main-belt Asteroid          SPK-ID: 2027752
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .139555711898452 3.6854e-08  
a 2.7351455169948 1.1954e-08 au
q 2.353440337224732 1.0186e-07 au
i 3.158924805502635 4.8361e-06 deg
node 3.120665788156975 6.757e-05 deg
peri 287.56710223583 6.9751e-05 deg
M 88.94528371267721 1.5999e-05 deg
tp 2458592.284485634481
(2019-Apr-18.78448563)
7.3333e-05 TDB
period 1652.224592889137
4.52
1.0831e-05
2.965e-08
d
yr
n .2178880532037667 1.4284e-09 deg/d
Q 3.11685069676487 1.3622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1085  
   data-arc span      10459 days (28.64 yr)  
   first obs. used      1991-04-08  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56042  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:41:17  

Additional Information
 Earth MOID = 1.33966 au 
 Jupiter MOID = 2.06292 au 
 T_jup = 3.336 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456615.5 (2013-Nov-19.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1401466077000966 3.6785e-08  
q 2.351584460955384 1.0189e-07 au
tp 2456943.113910164275
(2014-Oct-12.61391016)
7.3862e-05 TDB
node 3.203682705535619 6.7462e-05 deg
peri 288.2389664996859 6.9629e-05 deg
i 3.16246023972988 4.839e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1085  
   data-arc span      10459 days (28.64 yr)  
   first obs. used      1991-04-08  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56042  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:41:17  

Additional Information
 Jupiter MOID = 2.06292 au 
 T_jup = 3.336 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.353166558177292E-15 -3.728672463915651E-15 7.214244393046095E-13 -5.999672737643953E-15 1.400479432128359E-13 -7.580606291006996E-16
q -3.728672463915651E-15 1.038180082992137E-14 -2.092195891582428E-12 1.463070786347229E-14 -4.138697297250898E-13 2.307597271971485E-15
tp 7.214244393046095E-13 -2.092195891582428E-12 5.455573395378185E-9 -1.276046266664506E-11 1.282933708023069E-9 -1.182431151619461E-12
node -5.999672737643953E-15 1.463070786347229E-14 -1.276046266664506E-11 4.551181576150234E-9 -4.546782063572968E-9 -5.84022640222067E-11
peri 1.400479432128359E-13 -4.138697297250898E-13 1.282933708023069E-9 -4.546782063572968E-9 4.848141889496766E-9 5.806605696084824E-11
i -7.580606291006996E-16 2.307597271971485E-15 -1.182431151619461E-12 -5.84022640222067E-11 5.806605696084824E-11 2.341600199392706E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO395273  
diameter diameter 5.263 km 0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.121   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27752 (1991 GL8)          Discovered 1991-Apr-08 by Elst, E. W. at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 GL8 = 2000 GZ41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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