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

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 513 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3263362314207383 3.3761e-08  
a 1.820434610107054 2.9091e-09 au
q 1.226360839896837 6.121e-08 au
i 23.25372301942717 4.7803e-06 deg
node 164.8297926802455 6.7989e-06 deg
peri 154.36619844481 8.5153e-06 deg
M 345.2035183074088 4.0014e-06 deg
tp 2459037.373725031356
(2020-Jul-06.87372503)
1.0013e-05 TDB
period 897.1417183542317
2.46
2.1505e-06
5.888e-09
d
yr
n .4012743947081234 9.6187e-10 deg/d
Q 2.414508380317272 3.8585e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3352  
   data-arc span      12798 days (35.04 yr)  
   first obs. used      1985-01-21  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-06 05:21:40  

Additional Information
 Earth MOID = .23975 au 
 Jupiter MOID = 3.01125 au 
 T_jup = 3.886 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO416754  
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. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2000) http://www.asu.cas.cz/~ppravec/neo.htm]
[Behrend, R. (2015) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2015) Minor Planet Bull. 42, 256-266.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Sada, P.V.; Navarro-Meza, S.; Reyes-Ruiz, M.; Olguin, L.; et al. (2016) Minor Planet Bull. 43, 154-156.]
[Warner, B.D. (2017) Minor Planet Bull. 44, 223-237.]
[Aznar Macias, A.; Predatu, M.; Vaduvescu, O.; Oey, J. (2018) arXiv:1801.09420. Romanian J. Phys. 62, 904 (2017).]
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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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