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 ]  
4650 Mori (1950 TF)
Classification: Main-belt Asteroid          SPK-ID: 2004650
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470764296942311 1.6628e-08  
a 2.236955785704344 5.8381e-09 au
q 1.907952315359096 3.9065e-08 au
i 4.745725455361052 1.7029e-06 deg
node 306.7575632352203 1.1747e-05 deg
peri 91.99680264381934 8.6868e-06 deg
M 331.9130900364676 8.834e-06 deg
tp 2459295.842379906402
(2021-Mar-22.34237991)
3.0095e-05 TDB
period 1222.037483328336
3.35
4.784e-06
1.31e-08
d
yr
n .2945899818224116 1.1533e-09 deg/d
Q 2.565959256049593 6.6968e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2937  
   data-arc span      32991 days (90.32 yr)  
   first obs. used      1930-10-17  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41898  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:36:02  

Additional Information
 Earth MOID = .921556 au 
 Jupiter MOID = 2.83983 au 
 T_jup = 3.619 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.51   n/a E2021B10  
diameter diameter 5.026 km 0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.895 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]
[Hills, K. (2018) Minor Planet Bull. 45, 128-129.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.331   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B S   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)

4650 Mori (1950 TF)          Discovered 1950-Oct-05 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1950 TF = 1930 UE1 = 1950 TU2 = 1975 BR = 1984 YR5 = 1987 WJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-12 15:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin