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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
21405 Sagarmehta (1998 FU61)
Classification: Main-belt Asteroid          SPK-ID: 2021405
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1022574145684445 3.3522e-08  
a 2.28316113256427 7.3495e-09 au
q 2.049690978105087 7.525e-08 au
i 1.53264405793072 3.48e-06 deg
node 242.3249793651434 0.00013897 deg
peri 333.7534046768281 0.00014008 deg
M 245.4096779073816 1.8732e-05 deg
tp 2459797.596350257588
(2022-Aug-06.09635026)
6.633e-05 TDB
period 1260.094949170524
3.45
6.0844e-06
1.666e-08
d
yr
n .2856927569124655 1.3795e-09 deg/d
Q 2.516631287023454 8.1011e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1088  
   data-arc span      8820 days (24.15 yr)  
   first obs. used      1996-11-17  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53405  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:44:59  

Additional Information
 Earth MOID = 1.04319 au 
 Jupiter MOID = 2.44975 au 
 T_jup = 3.596 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457133.5 (2015-Apr-21.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1020185314605966 3.3599e-08  
q 2.050594115565665 7.5383e-08 au
tp 2457277.626013794612
(2015-Sep-12.12601379)
6.2481e-05 TDB
node 242.3659483251296 0.00013896 deg
peri 333.7916010643223 0.00014008 deg
i 1.53230126370462 3.4806e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1088  
   data-arc span      8820 days (24.15 yr)  
   first obs. used      1996-11-17  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53405  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:44:59  

Additional Information
 Jupiter MOID = 2.44975 au 
 T_jup = 3.596 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.128865119542802E-15 -2.52343234747767E-15 -5.295743397104899E-14 1.387598112974633E-14 -3.342158420138467E-14 -2.527808627826518E-18
q -2.52343234747767E-15 5.682540700789102E-15 2.19133793677467E-13 -3.142042043020056E-14 1.008987411810643E-13 3.495199643322401E-17
tp -5.295743397104899E-14 2.19133793677467E-13 3.903937603101396E-9 -1.287492660693203E-12 1.113505666914825E-9 4.074488954744219E-13
node 1.387598112974633E-14 -3.142042043020056E-14 -1.287492660693203E-12 1.93112168810604E-8 -1.930419376404859E-8 -4.5212653445902E-11
peri -3.342158420138467E-14 1.008987411810643E-13 1.113505666914825E-9 -1.930419376404859E-8 1.962103678470293E-8 4.531497306077176E-11
i -2.527808627826518E-18 3.495199643322401E-17 4.074488954744219E-13 -4.5212653445902E-11 4.531497306077176E-11 1.211487054420006E-11

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 15.93   n/a MPCxxxxx  

21405 Sagarmehta           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Sagar Viplov Mehta (b. 1987) is a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors, for his materials science project. He attends the Wheatley School, Old Westbury, New York.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050224/MPCPages.arcLast Updated: 2005-02-28

[ show close-approach data ]
Alternate Designations
 1998 FU61 = 1999 TU59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-22 15:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin