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4436 Ortizmoreno (1983 EX)
Classification: Outer Main-belt Asteroid          SPK-ID: 2004436
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05506160397150922 5.4791e-08  
a 3.248719674627486 3.4628e-08 au
q 3.069839958488697 1.8462e-07 au
i 17.3285816484235 6.1234e-06 deg
node 90.50654621526374 2.1542e-05 deg
peri 27.89356623006302 6.7511e-05 deg
M 306.9471631549237 6.6374e-05 deg
tp 2457915.690337645358
(2017-Jun-11.19033765)
0.00039644 JED
period 2138.783301704996
5.86
3.4196e-05
9.362e-08
d
yr
n .1683199975018577 2.6912e-09 deg/d
Q 3.427599390766275 3.6535e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1110  
   data-arc span      23511 days (64.37 yr)  
   first obs. used      1951-09-08  
   last obs. used      2016-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49823  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:07:06  

Additional Information
 Earth MOID = 2.09344 au 
 Jupiter MOID = 1.79171 au 
 T_jup = 3.108 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.3 mag n/a MPO302090  
diameter diameter 30.74 km 1.6 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 7
rotation period rot_per 8.24 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:
[Warner, B.D. (2013) Minor Planet Bul. 40, 208-212.]
geometric albedo albedo 0.0744   0.008 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 7

4436 Ortizmoreno           Discovered 1983 Mar. 9 by E. Barr at the Anderson Mesa Station.
José Luis Ortiz Moreno (b. 1967) is a planetary scientist at the IAA (CSIC) at Granada, Spain. His contributions include studies on meteoroidal impacts on the Moon, and observations and physical studies of TNOs, comets and Centaurs.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120506/MPCPages.arcLast Updated: 2012-05-09

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Alternate Designations
 1983 EX = 1959 CY = 1972 JL1 = 1975 XB2 = 1981 YK1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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