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22965 (1999 UX40)
Classification: Main-belt Asteroid          SPK-ID: 2022965
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1358256126771436 3.2931e-08  
a 3.08452324981492 1.776e-08 au
q 2.665565989591915 9.5991e-08 au
i 4.689213126310483 4.9966e-06 deg
node 347.9471232004874 3.9921e-05 deg
peri 262.0831541343521 4.398e-05 deg
M 101.347553033012 1.8558e-05 deg
tp 2458643.453736197835
(2019-Jun-08.95373620)
0.00010154 TDB
period 1978.702484345708
5.42
1.7089e-05
4.679e-08
d
yr
n .1819374073910056 1.5713e-09 deg/d
Q 3.503480510037926 2.0172e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1934  
   data-arc span      10924 days (29.91 yr)  
   first obs. used      1991-03-13  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45072  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:15:10  

Additional Information
 Earth MOID = 1.65534 au 
 Jupiter MOID = 1.57444 au 
 T_jup = 3.207 
[ 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 13.87   n/a E2021B10  
rotation period rot_per 7.637 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.]

22965 (1999 UX40)          Discovered 1999-Oct-16 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 UX40 = 1991 FN1 = 1993 SM11 = 1998 ST167 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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