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11633 (1996 XG9)
Classification: Main-belt Asteroid          SPK-ID: 2011633
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1608378034718867 3.5645e-08  
a 2.793591104728644 1.111e-08 au
q 2.344276047645487 1.007e-07 au
i 9.083669204737214 3.6433e-06 deg
node 60.50146724756539 2.1232e-05 deg
peri 169.1791677080684 2.3552e-05 deg
M 271.5609107981633 1.1289e-05 deg
tp 2459619.471465757624
(2022-Feb-08.97146576)
5.4415e-05 TDB
period 1705.464507085991
4.67
1.0174e-05
2.785e-08
d
yr
n .2110861870793823 1.2592e-09 deg/d
Q 3.2429061618118 1.2897e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2547  
   data-arc span      10272 days (28.12 yr)  
   first obs. used      1993-01-28  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41844  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:53:09  

Additional Information
 Earth MOID = 1.33315 au 
 Jupiter MOID = 1.7497 au 
 T_jup = 3.291 
[ 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 13.38   n/a E2021B10  
rotation period rot_per 10.9283 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:
[McNeill, A.; Mommert, M.; Trilling, D.E.; Llama, J.; Skiff, B. (2019) Ap. J. Suppl. Series 245, id.29.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

11633 (1996 XG9)          Discovered 1996-Dec-02 by Pauwels, T. at Uccle
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

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