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 ]  
46477 (4266 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2046477
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1674956423205717 4.0485e-08  
a 2.438999157734335 1.2183e-08 au
q 2.030477427190289 1.0132e-07 au
i 2.45823756814493 4.2343e-06 deg
node 146.6817370357345 0.0001045 deg
peri 95.6575533248414 0.00010519 deg
M 283.0235804217222 1.3721e-05 deg
tp 2459297.989134655462
(2021-Mar-24.48913466)
5.3939e-05 TDB
period 1391.284357764387
3.81
1.0424e-05
2.854e-08
d
yr
n .2587537177363751 1.9387e-09 deg/d
Q 2.847520888278381 1.4223e-08 au
  Orbit Determination Parameters
   # obs. used (total)      603  
   data-arc span      17922 days (49.07 yr)  
   first obs. used      1971-03-26  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58748  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:33:17  

Additional Information
 Earth MOID = 1.01946 au 
 Jupiter MOID = 2.16792 au 
 T_jup = 3.482 
[ 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 16.1   n/a MPO267860  

46477 (4266 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4266 T-1 = 1995 UN25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-09 03:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin