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101786 (1999 GY17)
Classification: Main-belt Asteroid          SPK-ID: 2101786
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .12824531162777 5.8891e-08  
a 2.709692041680936 1.4072e-08 au
q 2.362186741380277 1.6247e-07 au
i 14.70783388037661 4.7416e-06 deg
node 59.01285562941621 1.8062e-05 deg
peri 161.8323710392866 2.5032e-05 deg
M 287.6518215984532 1.9062e-05 deg
tp 2459527.918662935586
(2021-Nov-09.41866294)
8.6762e-05 TDB
period 1629.214739901327
4.46
1.2692e-05
3.475e-08
d
yr
n .2209653467914263 1.7213e-09 deg/d
Q 3.057197341981596 1.5877e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1688  
   data-arc span      8010 days (21.93 yr)  
   first obs. used      1999-04-10  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46004  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:35  

Additional Information
 Earth MOID = 1.35547 au 
 Jupiter MOID = 1.93788 au 
 T_jup = 3.305 
[ show covariance matrix ]

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 14.30   n/a E2021B55  
rotation period rot_per 15.382 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

101786 (1999 GY17)          Discovered 1999-Apr-15 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 GY17 = 2001 UR9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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