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26093 (1987 UA1)
Classification: Main-belt Asteroid          SPK-ID: 2026093
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1416328832242399 5.5459e-08  
a 2.361487146656014 1.5913e-08 AU
q 2.027022913378139 1.3645e-07 AU
i 11.36816806084919 6.2269e-06 deg
node 235.6570685622203 2.884e-05 deg
peri 123.3431489474806 3.7437e-05 deg
M 195.2443837074063 2.5833e-05 deg
tp 2457607.116939010974
(2016-Aug-06.61693901)
9.8463e-05 JED
period 1325.491069488764
3.63
1.3398e-05
3.668e-08
d
yr
n .2715974541713437 2.7453e-09 deg/d
Q 2.695951379933889 1.8167e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      934  
   data-arc span      23216 days (63.56 yr)  
   first obs. used      1951-11-28  
   last obs. used      2015-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5161  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:38:07  

Additional Information
 Earth MOID = 1.04995 AU 
 T_jup = 3.511 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7 mag n/a MPO279787  
rotation period rot_per 3.3186 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:
[Pravec, P.; Wolf, M.; Sarounova, L. (2012) http://www.asu.cas.cz/~ppravec/neo.htm]

26093 (1987 UA1)          Discovered 1987-Oct-25 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1987 UA1 = 1998 QG93 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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