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3851 Alhambra (1986 UZ)
Classification: Main-belt Asteroid          SPK-ID: 2003851
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06451502891703587 3.5e-08  
a 2.174298771462389 5.591e-09 au
q 2.034023823347217 7.5665e-08 au
i 4.6275198112245 3.3851e-06 deg
node 344.6528932124126 4.8579e-05 deg
peri 97.04627851018958 5.7128e-05 deg
M 136.6720229019687 2.9791e-05 deg
tp 2458555.915436583579
(2019-Mar-13.41543658)
9.6586e-05 TDB
period 1171.054905250882
3.21
4.5169e-06
1.237e-08
d
yr
n .3074151334713679 1.1857e-09 deg/d
Q 2.314573719577561 5.9517e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2464  
   data-arc span      25560 days (69.98 yr)  
   first obs. used      1950-06-25  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42202  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:02:18  

Additional Information
 Earth MOID = 1.05598 au 
 Jupiter MOID = 2.79485 au 
 T_jup = 3.679 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2   n/a MPO452218  
diameter diameter 6.504 km 0.390 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 53. h n/a LCDB (Rev. 2019-August); 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:
[Higgins, D.; Oey, J. (2007) Minor Planet Bull. 34, 79-80.]
geometric albedo albedo 0.218   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3851 Alhambra (1986 UZ)          Discovered 1986-Oct-30 by Seki, T. at Geisei
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1986 UZ = 1950 MC = 1960 RA = 1965 CD = 1973 SE4 = 1973 ST2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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