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11283 (1989 UX4)
Classification: Main-belt Asteroid          SPK-ID: 2011283
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1865486079859068 3.8894e-08  
a 2.280920691135959 5.3212e-09 au
q 1.855418111278293 8.705e-08 au
i 3.27040395921849 2.9063e-06 deg
node 144.5579219922282 6.4522e-05 deg
peri 210.7358009512953 6.4934e-05 deg
M 97.46111974022844 8.0637e-06 deg
tp 2459055.862387516833
(2020-Jul-25.36238752)
2.7837e-05 TDB
period 1258.24062786058
3.44
4.4031e-06
1.206e-08
d
yr
n .2861137941572572 1.0012e-09 deg/d
Q 2.706423270993624 6.3139e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2371  
   data-arc span      16132 days (44.17 yr)  
   first obs. used      1977-02-19  
   last obs. used      2021-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46149  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:32:18  

Additional Information
 Earth MOID = .850657 au 
 Jupiter MOID = 2.73275 au 
 T_jup = 3.580 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.50   n/a MPCxxxxx  
diameter diameter 3.416 km 0.603 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 5.68 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.263   0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

11283 (1989 UX4)          Discovered 1989-Oct-25 by Mrkos, A. at Klet
Reference: 19990831/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 UX4 = 1977 DS5 = 1982 SD8 = 1998 FB36 = 1999 NL6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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