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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7839237916681696 8.4105e-09  
a 2.269909965368465 1.9866e-09 au
q .4904735385714544 1.904e-08 au
i 6.681175339133096 7.1089e-06 deg
node 194.3434266016506 1.5607e-05 deg
peri 262.5747370593043 1.3283e-05 deg
M 340.1446466989493 9.4819e-07 deg
tp 2459269.394807744578
(2021-Feb-23.89480774)
3.3416e-06 TDB
period 1249.140743657055
3.42
1.6399e-06
4.49e-09
d
yr
n .2881981088424382 3.7835e-10 deg/d
Q 4.049346392165475 3.544e-09 au
  Orbit Determination Parameters
   # obs. used (total)      621  
   data-arc span      8775 days (24.02 yr)  
   first obs. used      1997-04-07  
   last obs. used      2021-04-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42831  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-17 06:23:20  

Additional Information
 Earth MOID = .00368814 au 
 Jupiter MOID = 1.28354 au 
 T_jup = 3.107 
[ 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. 2020-October); 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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