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 ]  
91338 (1999 JR14)
Classification: Main-belt Asteroid          SPK-ID: 2091338
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07264435427651127 4.3027e-08  
a 2.408013384304964 1.0746e-08 au
q 2.233084806912933 1.0373e-07 au
i 5.904452351162752 5.0116e-06 deg
node 193.7295842252763 3.1923e-05 deg
peri 351.2863376793292 4.1134e-05 deg
M 263.4818473623531 2.8088e-05 deg
tp 2459366.426002875751
(2021-May-31.92600288)
0.00010772 TDB
period 1364.855806242273
3.74
9.1365e-06
2.501e-08
d
yr
n .2637641268429327 1.7657e-09 deg/d
Q 2.582941961696994 1.1527e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1090  
   data-arc span      8595 days (23.53 yr)  
   first obs. used      1996-05-18  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52175  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:16:33  

Additional Information
 Earth MOID = 1.23446 au 
 Jupiter MOID = 2.37504 au 
 T_jup = 3.511 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456708.5 (2014-Feb-20.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07211816154721343 4.3203e-08  
q 2.233992064016617 1.0407e-07 au
tp 2456638.181532050366
(2013-Dec-11.68153205)
9.9799e-05 TDB
node 193.7586634244841 3.1909e-05 deg
peri 351.6135608546074 4.1147e-05 deg
i 5.905358273034057 5.0131e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1090  
   data-arc span      8595 days (23.53 yr)  
   first obs. used      1996-05-18  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52175  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:16:33  

Additional Information
 Jupiter MOID = 2.37504 au 
 T_jup = 3.511 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.866508647381474E-15 -4.47561186980003E-15 1.310556344517355E-12 8.888918000647874E-15 3.271677853258887E-13 -2.140757893576642E-15
q -4.47561186980003E-15 1.083112300205773E-14 -2.788104792402656E-12 -2.067177910162622E-14 -6.924671676574347E-13 5.527434669942355E-15
tp 1.310556344517355E-12 -2.788104792402656E-12 9.959870718563342E-9 1.840106037628352E-11 2.600281405550035E-9 7.434826882106631E-14
node 8.888918000647874E-15 -2.067177910162622E-14 1.840106037628352E-11 1.018157643751287E-9 -1.007535948655931E-9 3.331740632607257E-11
peri 3.271677853258887E-13 -6.924671676574347E-13 2.600281405550035E-9 -1.007535948655931E-9 1.693084175228986E-9 -3.312019018304868E-11
i -2.140757893576642E-15 5.527434669942355E-15 7.434826882106631E-14 3.331740632607257E-11 -3.312019018304868E-11 2.513125342445174E-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 15.1   n/a MPO502690  
diameter diameter 2.393 km 0.455 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.371   0.220 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91338 (1999 JR14)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 JR14 = 2000 QJ92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-24 04:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin