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JPL Small-Body Database Browser
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382490 (2001 GU8)
Classification: Main-belt Asteroid          SPK-ID: 2382490
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2149778976322511 6.0942e-08  
a 2.238987404008713 1.5121e-08 au
q 1.757654599069829 1.3105e-07 au
i 6.210089788851912 5.3509e-06 deg
node 104.9645619931474 5.0009e-05 deg
peri 84.15232740416039 5.1789e-05 deg
M 140.0729654741718 1.698e-05 deg
tp 2458124.367611716029
(2018-Jan-05.86761172)
5.4366e-05 TDB
period 1223.702655269589
3.35
1.2396e-05
3.394e-08
d
yr
n .2941891140382382 2.9801e-09 deg/d
Q 2.720320208947598 1.8371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      6833 days (18.71 yr)  
   first obs. used      2001-02-16  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51968  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 00:22:36  

Additional Information
 Earth MOID = .772143 au 
 Jupiter MOID = 2.25779 au 
 T_jup = 3.598 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457532.5 (2016-May-24.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2147012224044709 6.1025e-08  
q 1.758752482531024 1.3123e-07 au
tp 2458124.506745771178
(2018-Jan-06.00674577)
5.4377e-05 TDB
node 104.9858721833016 5.0027e-05 deg
peri 84.17415683081862 5.1807e-05 deg
i 6.20861362977414 5.3495e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      6833 days (18.71 yr)  
   first obs. used      2001-02-16  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51968  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 00:22:36  

Additional Information
 Jupiter MOID = 2.25779 au 
 T_jup = 3.598 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.724057199156838E-15 -7.983162223320752E-15 9.524472334236821E-13 -2.157793026714219E-15 5.584591808298799E-14 -1.892620651978261E-15
q -7.983162223320752E-15 1.722155639390704E-14 -1.696842788025413E-12 3.100347281894453E-15 -4.237353705001068E-14 4.066429711218184E-15
tp 9.524472334236821E-13 -1.696842788025413E-12 2.956842236974154E-9 -7.440103557382009E-12 7.381235459552268E-10 7.252754694877782E-13
node -2.157793026714219E-15 3.100347281894453E-15 -7.440103557382009E-12 2.502662676801414E-9 -2.48904112401565E-9 4.992745671310085E-11
peri 5.584591808298799E-14 -4.237353705001068E-14 7.381235459552268E-10 -2.48904112401565E-9 2.683950864125089E-9 -4.940347941875208E-11
i -1.892620651978261E-15 4.066429711218184E-15 7.252754694877782E-13 4.992745671310085E-11 -4.940347941875208E-11 2.861722797587132E-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 17.0   n/a MPO450362  
rotation period rot_per 7.20 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2011) Minor Planet Bull. 38, 142-149.]

382490 (2001 GU8)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: Last Updated: 2014-01-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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