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1747 Wright (1947 NH)
Classification: Mars-crossing Asteroid          SPK-ID: 2001747
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1102447672060302 4.3629e-08  
a 1.709187719101056 3.645e-09 au
q 1.520758716897355 7.552e-08 au
i 21.4178283883762 4.9506e-06 deg
node 268.3827406286256 9.6909e-06 deg
peri 340.4243161895256 2.1096e-05 deg
M 255.7267558457969 2.1267e-05 deg
tp 2459236.903257797551
(2021-Jan-22.40325780)
4.8472e-05 TDB
period 816.1745949062592
2.23
2.6108e-06
7.148e-09
d
yr
n .4410820947463421 1.411e-09 deg/d
Q 1.897616721304758 4.0468e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1721  
   data-arc span      26500 days (72.55 yr)  
   first obs. used      1947-07-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4238  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:03:27  

Additional Information
 Earth MOID = .511514 au 
 Jupiter MOID = 3.18557 au 
 T_jup = 4.105 
[ 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 13.5   n/a MPO502170 IRAS observations used: 2
diameter diameter 6.35 km 0.6 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
rotation period rot_per 5.2896 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Stoss, R.; Nomen, J.; Sanchez, S.; Behrend, R. (2006) Minor Planet Bull. 33, 33.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Stephens, R.D. (2015) Minor Planet Bull. 42, 70-74.]
geometric albedo albedo 0.2005   0.043 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
Tholen spectral type spec_T AU:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B Sl   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1747 Wright (1947 NH)          Discovered 1947-Jul-14 by Wirtanen, C. A. at Mount Hamilton
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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