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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 294 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .32648254841802 5.3105e-08  
a 1.820221557153988 3.8859e-09 AU
q 1.225950984488937 9.7912e-08 AU
i 23.25678478560548 4.2629e-06 deg
node 164.8523158148842 9.8373e-06 deg
peri 154.365425121406 1.2249e-05 deg
M 262.55730543574 9.1518e-06 deg
tp 2457243.290445067868
(2015-Aug-08.79044507)
2.3247e-05 JED
period 896.9842286821444
2.46
2.8724e-06
7.864e-09
d
yr
n .4013448492053362 1.2852e-09 deg/d
Q 2.414492129819039 5.1546e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1634  
   data-arc span      11070 days (30.31 yr)  
   first obs. used      1985-01-21  
   last obs. used      2015-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50748  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-May-15 06:14:39  

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 14.5 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 LCDB (Rev. 2015-May); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2000) http://www.asu.cas.cz/~ppravec/neo.htm]
[Warner, B.D. (2015) http://www.minorplanetobserver.com/PDO/PDOLig htcurves.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
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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