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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 683 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3262168775668739 6.2265e-09  
a 1.820178717358854 2.3858e-09 au
q 1.226405699568371 1.105e-08 au
i 23.25459243618561 6.408e-07 deg
node 164.8278937534236 3.1259e-06 deg
peri 154.36887995 3.9136e-06 deg
M 65.47359326515767 2.3024e-06 deg
tp 2459037.370257636688
(2020-Jul-06.87025764)
5.5265e-06 TDB
period 896.9525624316706
2.46
1.7635e-06
4.828e-09
d
yr
n .4013590183900329 7.8912e-10 deg/d
Q 2.413951735149336 3.1641e-09 au
  Orbit Determination Parameters
   # obs. used (total)      4517  
   data-arc span      13220 days (36.19 yr)  
   first obs. used      1985-01-21  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37692  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-14 05:53:04  

Additional Information
 Earth MOID = .238011 au 
 Jupiter MOID = 3.01209 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 14.71   n/a E2021B10  
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. 2020-October); 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, A.M.; Predatu, M.; Vaduvescu, O.; Oey, J. (2018) arXiv:1801.09420. Romanian J. Phys. 62, 904 (2017).]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
[Warner, B.D.; Stephens, R.D. (2021) Minor Planet Bull. 48-1, submitted. (NEA) http://www.planetarysciences.org/lightcurves.html]
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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