Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456689.5 (2014-Feb-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1103011158921853 1.0573e-08  
q 1.520567672964576 1.9604e-08 au
tp 2456788.560567573013
(2014-May-11.06056757)
1.6232e-05 TDB
node 268.4080879469585 1.9324e-06 deg
peri 340.4504447032691 6.8317e-06 deg
i 21.41746526524411 6.2066e-07 deg
  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
 Jupiter MOID = 3.18475 au 
 T_jup = 4.105 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.117798616632115E-16 -2.054302006943793E-16 -3.193850492378306E-14 -6.428716221159382E-16 -6.858501130883423E-15 -1.944132298763729E-15
q -2.054302006943793E-16 3.843257071118045E-16 5.150389158272267E-14 1.161160481534438E-15 1.13058183978498E-14 3.601395883202542E-15
tp -3.193850492378306E-14 5.150389158272267E-14 2.634776177193639E-10 1.42827660725827E-11 1.067518655593531E-10 7.083573816011314E-12
node -6.428716221159382E-16 1.161160481534438E-15 1.42827660725827E-11 3.734168944643186E-12 3.191118491664965E-12 7.570467959522597E-13
peri -6.858501130883423E-15 1.13058183978498E-14 1.067518655593531E-10 3.191118491664965E-12 4.667210927073158E-11 2.537689338076901E-12
i -1.944132298763729E-15 3.601395883202542E-15 7.083573816011314E-12 7.570467959522597E-13 2.537689338076901E-12 3.85219661981457E-13

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-22 02:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin