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11917 (1992 UX)
Classification: Main-belt Asteroid          SPK-ID: 2011917
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1269045815494209 1.4728e-08  
a 2.340100824284364 8.3002e-09 au
q 2.043131308395102 3.6243e-08 au
i 7.628730509304858 1.0075e-06 deg
node 66.7402594752852 1.0222e-05 deg
peri 305.4303823873163 1.3537e-05 deg
M 328.4533890446269 9.5412e-06 deg
tp 2459315.077802975675
(2021-Apr-10.57780298)
3.4897e-05 TDB
period 1307.525842620422
3.58
6.9566e-06
1.905e-08
d
yr
n .2753291661742773 1.4649e-09 deg/d
Q 2.637070340173626 9.3535e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1874  
   data-arc span      10247 days (28.05 yr)  
   first obs. used      1992-10-21  
   last obs. used      2020-11-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4824  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:01:47  

Additional Information
 Earth MOID = 1.05384 au 
 Jupiter MOID = 2.84035 au 
 T_jup = 3.542 
[ 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 14.28   n/a E2021B10  
diameter diameter 3.692 km 0.468 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 89.317 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.361   0.220 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

11917 (1992 UX)          Discovered 1992-Oct-21 by Urata, T. at Oohira
Reference: 19991026/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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