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 ]  
21150 (1993 LF1)
Classification: Main-belt Asteroid          SPK-ID: 2021150
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1489131165704622 1.882e-08  
a 2.560685258711284 9.0068e-09 au
q 2.179365636280547 4.9887e-08 au
i 12.01153235887362 3.6648e-07 deg
node 330.6107763251652 3.2256e-06 deg
peri 279.7872446196813 4.2104e-06 deg
M 294.2980448498428 7.0865e-06 deg
tp 2459669.654601888224
(2022-Mar-31.15460189)
3.0267e-05 TDB
period 1496.693004873623
4.10
7.8966e-06
2.162e-08
d
yr
n .2405302883274968 1.269e-09 deg/d
Q 2.942004881142022 1.0348e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2583  
   data-arc span      10222 days (27.99 yr)  
   first obs. used      1993-06-13  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44159  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 05:06:08  

Additional Information
 Earth MOID = 1.20397 au 
 Jupiter MOID = 2.25427 au 
 T_jup = 3.389 
[ 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 13.66   n/a MPO614063  
diameter diameter 5.199 km 0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.180   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21150 (1993 LF1)          Discovered 1993-Jun-13 by McNaught, R. H. at Siding Spring
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 LF1 = 1999 XT209 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-31 07:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin