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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417613565447785 5.5215e-08  
a 2.361967303980433 1.5926e-08 au
q 2.027131614853754 1.36e-07 au
i 11.36769860245893 6.2253e-06 deg
node 235.6489756098694 2.8533e-05 deg
peri 123.23770130 3.7134e-05 deg
M 358.3081793396272 2.6648e-05 deg
tp 2457606.731047652717
(2016-Aug-06.23104765)
9.8183e-05 JED
period 1325.895354938972
3.63
1.341e-05
3.671e-08
d
yr
n .2715146400196644 2.7461e-09 deg/d
Q 2.696802993107112 1.8183e-08 au
  Orbit Determination Parameters
   # obs. used (total)      974  
   data-arc span      23270 days (63.71 yr)  
   first obs. used      1951-11-28  
   last obs. used      2015-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50665  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 15:07:42  

Additional Information
 Earth MOID = 1.04895 au 
 Jupiter MOID = 2.8262 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 13.8 mag n/a MPO344506  
rotation period rot_per 3.3186 h n/a LCDB (Rev. 2016-February); 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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