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 ]  
134510 (1999 FT21)
Classification: Outer Main-belt Asteroid          SPK-ID: 2134510
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .11772231562053 5.0357e-08  
a 3.204597877670445 2.8215e-08 au
q 2.827345194878444 1.6891e-07 au
i 2.439365529989282 4.9724e-06 deg
node 107.2469966630222 0.00013218 deg
peri 133.6820753757065 0.00013488 deg
M 277.0398934730188 3.1343e-05 deg
tp 2459879.364789993286
(2022-Oct-26.86478999)
0.00018672 TDB
period 2095.360428943609
5.74
2.7673e-05
7.576e-08
d
yr
n .1718081505345105 2.269e-09 deg/d
Q 3.581850560462446 3.1536e-08 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      8905 days (24.38 yr)  
   first obs. used      1996-11-18  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58012  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:13:52  

Additional Information
 Earth MOID = 1.81575 au 
 Jupiter MOID = 1.42609 au 
 T_jup = 3.181 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457182.5 (2015-Jun-09.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1210039113044074 4.9913e-08  
q 2.816029497906127 1.6844e-07 au
tp 2457783.104473851916
(2017-Jan-29.60447385)
0.00016512 TDB
node 107.3267119491251 0.00013193 deg
peri 133.4968752164763 0.00013451 deg
i 2.441080533295503 4.981e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      8905 days (24.38 yr)  
   first obs. used      1996-11-18  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58012  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:13:52  

Additional Information
 Jupiter MOID = 1.42609 au 
 T_jup = 3.181 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.491279713006855E-15 -8.321192426091956E-15 -2.490965118512293E-12 -1.199234590923017E-16 -3.442799578672033E-13 -2.191508526709197E-16
q -8.321192426091956E-15 2.837211353356006E-14 1.048665097640854E-11 3.173617471073973E-16 1.472837991674589E-12 9.818247235560893E-16
tp -2.490965118512293E-12 1.048665097640854E-11 2.72646737682327E-8 -1.394146879951999E-11 4.371446826460815E-9 1.828809797328657E-12
node -1.199234590923017E-16 3.173617471073973E-16 -1.394146879951999E-11 1.740547622678788E-8 -1.739159764367038E-8 2.949833332112677E-12
peri -3.442799578672033E-13 1.472837991674589E-12 4.371446826460815E-9 -1.739159764367038E-8 1.809183933826147E-8 -2.670810727252368E-12
i -2.191508526709197E-16 9.818247235560893E-16 1.828809797328657E-12 2.949833332112677E-12 -2.670810727252368E-12 2.480999325549944E-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 15.34   n/a MPCxxxxx  
diameter diameter 4.181 km 0.946 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134510 (1999 FT21)          Discovered 1999-Mar-24 by Santangelo, M. M. M. at Monte Agliale
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1999 FT21 = 2004 BZ36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-04 09:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin