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 ]  
18669 Lalitpatel (1998 FP63)
Classification: Main-belt Asteroid          SPK-ID: 2018669
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1397484849306485 4.8807e-08  
a 3.092837539833163 1.7974e-08 au
q 2.660618179504845 1.5773e-07 au
i 2.952116100699155 4.5859e-06 deg
node 123.1863113202938 9.2008e-05 deg
peri 138.0281280625253 9.3759e-05 deg
M 2.710579468904452 1.8681e-05 deg
tp 2459185.541304125112
(2020-Dec-02.04130412)
0.00010309 TDB
period 1986.708221152448
5.44
1.7318e-05
4.741e-08
d
yr
n .1812042634983267 1.5796e-09 deg/d
Q 3.525056900161482 2.0485e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1105  
   data-arc span      10366 days (28.38 yr)  
   first obs. used      1992-02-26  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57875  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:34:37  

Additional Information
 Earth MOID = 1.64436 au 
 Jupiter MOID = 1.54544 au 
 T_jup = 3.207 
[ 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 14.25   n/a E2021B10  
diameter diameter 6.794 km 0.232 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.560 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.050   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18669 Lalitpatel           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Lalit Ramesh Patel (b. 1985) was awarded third place in the 2003 Intel International Science and Engineering Fair for his biochemistry project. He also received the Intel Foundation Achievement Award. He attends the California Academy of Mathematics and Science, Carson, California, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040830/MPCPages.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 FP63 = 1994 PG23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-19 18:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin