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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 359 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3264825393045528 3.2839e-08  
a 1.820221559914577 2.6774e-09 AU
q 1.225951002936772 5.9693e-08 AU
i 23.25678513808977 3.7748e-06 deg
node 164.8523152191963 7.9024e-06 deg
peri 154.3654334226723 1.0912e-05 deg
M 262.5572955218871 4.1755e-06 deg
tp 2457243.290470321783
(2015-Aug-08.79047032)
1.0279e-05 JED
period 896.9842307227234
2.46
1.9791e-06
5.418e-09
d
yr
n .4013448482923035 8.8552e-10 deg/d
Q 2.414492116892382 3.5515e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      2194  
   data-arc span      11180 days (30.61 yr)  
   first obs. used      1985-01-21  
   last obs. used      2015-09-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46729  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 06:22:00  

Additional Information
 Earth MOID = .239809 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 14.6 mag n/a MPO337285  
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 LCDB (Rev. 2015-July); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2000) http://www.asu.cas.cz/~ppravec/neo.htm]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J., in press.]
[Warner, B.D. (2015) Minor Planet Bul. 42, submitted (NEA gaggle)]
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
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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