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(1997 GL3)
Classification: Apollo [NEO, PHA]          SPK-ID: 3013066
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .783884676754117 4.4552e-08  
a 2.271520468273589 8.2509e-09 au
q .4909103802605862 1.0289e-07 au
i 6.676629616645426 8.7385e-06 deg
node 194.430582618815 2.2473e-05 deg
peri 262.4532226591523 1.6786e-05 deg
M 282.5925841166962 6.8157e-06 deg
tp 2459269.376890756839
(2021-Feb-23.87689076)
2.5113e-05 TDB
period 1250.470378941302
3.42
6.8132e-06
1.865e-08
d
yr
n .2878916654585534 1.5686e-09 deg/d
Q 4.052130556286592 1.4719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      6263 days (17.15 yr)  
   first obs. used      1997-04-07  
   last obs. used      2014-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40237  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:18:01  

Additional Information
 Earth MOID = .00326429 au 
 Jupiter MOID = 1.28067 au 
 T_jup = 3.106 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.1   n/a MPO196553  
rotation period rot_per 7.572 h n/a LCDB (Rev. 2019-August); 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:
[Pravec, P.; Wolf, M.; Sarounova, L. (1998) Icarus 136, 124-153.]
SMASSII spectral type spec_B V   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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