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2133 Franceswright (1976 WB)
Classification: Main-belt Asteroid          SPK-ID: 2002133
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1846959103304976 1.0335e-08  
a 2.411179701249632 6.74e-09 au
q 1.965844671356914 2.6922e-08 au
i 6.900626620659463 4.7564e-07 deg
node 78.35238608641109 7.1122e-06 deg
peri 280.2015302200946 8.8832e-06 deg
M 322.4072177534968 7.1009e-06 deg
tp 2459343.305443870726
(2021-May-08.80544387)
2.7257e-05 TDB
period 1367.548681455827
3.74
5.7341e-06
1.57e-08
d
yr
n .2632447421299556 1.1038e-09 deg/d
Q 2.85651473114235 7.9848e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2750  
   data-arc span      23018 days (63.02 yr)  
   first obs. used      1957-09-24  
   last obs. used      2020-10-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43789  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:22:58  

Additional Information
 Earth MOID = .975002 au 
 Jupiter MOID = 2.62074 au 
 T_jup = 3.486 
[ 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 13.28   n/a E2021B10  
rotation period rot_per 4.05616 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2017) http://www.asu.cas.cz/~ppravec/neo.htm]

2133 Franceswright           Discovered 1976 Nov. 20 at the Harvard College Observatory, Agassiz Station.
Named in honor of Frances Woodworth Wright, long time staff member of the Harvard College Observatory, known for her research on photographic meteors, extraterrestrial dust and variable stars, and revered for teaching generations of navigators to fare forth and return safely to port.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5039Last Updated: 2006-03-21

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1963-Mar-09 05:50 < 00:01 Hebe 0.0471736783142768 0.0471705795937184 0.0471767770869108 3.90454986159071 3.9045498278397 2438097.743332054 0.610398858689507 173.675054625846 28.3275178210589 27.6312473407594 120934.547390299 T 38 CATAB v2.0f-lin.ifort 2021-Apr-12 13:24:10 2021-Apr-12 13:24
1973-Jul-17 16:39 < 00:01 Eunom 0.0363172769611361 0.0363161632581685 0.0363183908418696 6.09113373542469 6.09113367196726 2441881.194055148 0.325139619239462 149.639262226122 22.8476488929691 -69.9932234909596 223682.04949227 T 38 CATAB v2.0f-lin.ifort 2021-Apr-12 13:24:10 2021-Apr-12 13:24

Alternate Designations
 1976 WB = 1957 SF = 1957 UP = 1972 TA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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