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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1102271159695871 1.0574e-08  
a 1.709051934096319 3.301e-09 au
q 1.520668068358637 1.9606e-08 au
i 21.41762404116781 6.2059e-07 deg
node 268.3808069155592 1.9323e-06 deg
peri 340.4735259207686 6.8371e-06 deg
M 343.9025072443573 7.6214e-06 deg
tp 2459236.991108361587
(2021-Jan-22.49110836)
1.7313e-05 TDB
period 816.0773363644832
2.23
2.3643e-06
6.473e-09
d
yr
n .4411346620698382 1.278e-09 deg/d
Q 1.897435799834001 3.6648e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1842  
   data-arc span      26589 days (72.80 yr)  
   first obs. used      1947-07-14  
   last obs. used      2020-04-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41729  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:53:06  

Additional Information
 Earth MOID = .509671 au 
 Jupiter MOID = 3.18475 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 13.62   n/a E2021B10 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. 2020-October); 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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