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26110 (1991 NK4)
Classification: Main-belt Asteroid          SPK-ID: 2026110
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2084301721493427 5.5429e-08  
a 2.21712628768027 9.4746e-09 AU
q 1.755010273862238 1.2483e-07 AU
i 6.787279858236769 6.2028e-06 deg
node 123.0757642364371 4.1589e-05 deg
peri 176.8343775003101 4.3443e-05 deg
M 26.74016032898269 1.2692e-05 deg
tp 2456910.933504885683
(2014-Sep-10.43350489)
4.2324e-05 JED
period 1205.824417073752
3.30
7.7294e-06
2.116e-08
d
yr
n .2985509290595011 1.9137e-09 deg/d
Q 2.679242301498302 1.1449e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1034  
   data-arc span      11103 days (30.40 yr)  
   first obs. used      1984-03-07  
   last obs. used      2014-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51667  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 15:21:24  

Additional Information
 Earth MOID = .740584 AU 
 T_jup = 3.615 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a MPO263573  
rotation period rot_per 9.2 h n/a LCDB (Rev. 2015-July); 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., in press.]

26110 (1991 NK4)          Discovered 1991-Jul-08 by Debehogne, H. at La Silla
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 NK4 = 2000 AL162 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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