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 ]  
46454 (4029 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2046454
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2075917771939813 5.6018e-08  
a 2.455144351426214 1.2693e-08 au
q 1.945476572245882 1.3278e-07 au
i 6.82212724234062 5.026e-06 deg
node 355.3544211280358 3.2008e-05 deg
peri 341.7209034427088 3.3999e-05 deg
M 254.6156001467606 1.6448e-05 deg
tp 2459611.827551535996
(2022-Feb-01.32755154)
6.6766e-05 TDB
period 1405.121808912657
3.85
1.0896e-05
2.983e-08
d
yr
n .256205545822809 1.9868e-09 deg/d
Q 2.964812130606546 1.5328e-08 au
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      21789 days (59.66 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55594  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:49:15  

Additional Information
 Earth MOID = .936001 au 
 Jupiter MOID = 2.42909 au 
 T_jup = 3.454 
[ 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 15.57   n/a E2021B10  
diameter diameter 1.968 km 0.586 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.218   0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46454 (4029 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4029 P-L = 1999 XT132 
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-15 01:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin