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4055 Magellan (1985 DO2)
Classification: Amor [NEO]          SPK-ID: 2004055
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 269 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3262440040701088 5.587e-08  
a 1.82061873850227 3.6935e-09 AU
q 1.226652791368219 1.0313e-07 AU
i 23.2508753324442 4.9749e-06 deg
node 164.85458623966 1.0157e-05 deg
peri 154.3364498846402 1.2797e-05 deg
M 182.331030585827 9.3293e-06 deg
tp 2457243.328966935305
(2015-Aug-08.82896694)
2.4136e-05 JED
period 897.2778342912637
2.46
2.7305e-06
7.476e-09
d
yr
n .4012135218790449 1.2209e-09 deg/d
Q 2.414584685636321 4.8985e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1519  
   data-arc span      10648 days (29.15 yr)  
   first obs. used      1985-01-21  
   last obs. used      2014-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49436  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:45:17  

Additional Information
 Earth MOID = .23885 AU 
 T_jup = 3.886 
[ 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 14.5 mag n/a MPO231431  
diameter diameter 2.49 km n/a Delbo et al. (2003). Icarus, v. 166, pp. 116-130  
rotation period rot_per 7.475 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Incomplete or inconclusive result.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2000) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.31   n/a Delbo et al. (2003). Icarus, v. 166, pp. 116-130  
Tholen spectral type spec_T V   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 4 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B V   n/a Binzel et al. (2004) Icarus 170, 259-294  

4055 Magellan (1985 DO2)          Discovered 1985-Feb-24 by Helin, E. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1985 DO2 = 1988 OG 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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