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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417139788923993 5.5211e-08  
a 2.361721303425578 1.5882e-08 au
q 2.027032380482196 1.3596e-07 au
i 11.36777329086929 6.2253e-06 deg
node 235.6538507271322 2.8534e-05 deg
peri 123.27503710 3.7144e-05 deg
M 303.9649913313444 2.6353e-05 deg
tp 2457606.847085977508
(2016-Aug-06.34708598)
9.8225e-05 JED
period 1325.688220932779
3.63
1.3373e-05
3.661e-08
d
yr
n .2715570632035165 2.7393e-09 deg/d
Q 2.69641022636896 1.8133e-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 = 1.04821 au 
 Jupiter MOID = 2.82539 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. 2015-December); 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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