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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05517664903164346 7.3523e-08  
a 3.250285415684425 3.8034e-08 AU
q 3.070945558050536 2.3622e-07 AU
i 17.32875222476391 8.243e-06 deg
node 90.52821099778107 2.7437e-05 deg
peri 27.24906418654203 9.392e-05 deg
M 173.0186835642791 8.6297e-05 deg
tp 2455771.841597065280
(2011-Jul-29.34159707)
0.00051528 JED
period 2140.329688261214
5.86
3.7568e-05
1.029e-07
d
yr
n .1681983864329149 2.9523e-09 deg/d
Q 3.429625273318313 4.0133e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      891  
   data-arc span      22627 days (61.95 yr)  
   first obs. used      1951-09-08  
   last obs. used      2013-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50831  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Sep-23 22:10:01  

Additional Information
 Earth MOID = 2.09536 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 11.2 mag n/a MPO267725  
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 Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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

[ show close-approach data ]
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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