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17198 Gorjup (2000 AA31)
Classification: Main-belt Asteroid          SPK-ID: 2017198
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 .10167980775205 3.2923e-08  
a 2.280063383229286 8.1149e-09 au
q 2.048226976760044 7.3953e-08 au
i 3.283590237760303 3.9498e-06 deg
node 12.12279089977622 5.9425e-05 deg
peri 252.2389146427758 6.3037e-05 deg
M 187.4555328443611 1.9443e-05 deg
tp 2459603.222416233207
(2022-Jan-23.72241623)
6.7497e-05 TDB
period 1257.531310165011
3.44
6.7135e-06
1.838e-08
d
yr
n .2862751782719123 1.5283e-09 deg/d
Q 2.511899789698529 8.9401e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1445  
   data-arc span      10923 days (29.91 yr)  
   first obs. used      1990-03-02  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49458  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:58:26  

Additional Information
 Earth MOID = 1.03549 au 
 Jupiter MOID = 2.54344 au 
 T_jup = 3.597 
[ 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 15.0   n/a MPO449076  
rotation period rot_per 3.2430 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Vokrouhlicky, D.; Polishook, D.; Scheeres, D.J.; et al. (2010) Nature 466, 1085-1088. Lightcurve plots as supplemental data, http://www.Nature.com/nature]

17198 Gorjup           Discovered 2000 Jan. 3 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Niko Gorjup (b. 1984) was awarded second place in the 2003 Intel International Science and Engineering Fair for his physics team project. He attends the Solski Center Nova Gorica, Gimnazija, Nova Gorica, Slovenia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040614/MPCPages.arcLast Updated: 2009-12-11

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Alternate Designations
 2000 AA31 = 1990 EH6 = 1998 QU102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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