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 ]  
19515 (1998 QM76)
Classification: Main-belt Asteroid          SPK-ID: 2019515
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1324780151094455 3.0618e-08  
a 2.64122657397036 9.758e-09 au
q 2.291322119996446 8.1912e-08 au
i 9.940361972640749 3.4383e-06 deg
node 244.8586418359586 1.7737e-05 deg
peri 291.7446763757345 2.2472e-05 deg
M 243.8529395998604 1.6001e-05 deg
tp 2459706.339379336298
(2022-May-06.83937934)
7.0878e-05 TDB
period 1567.858677901145
4.29
8.6887e-06
2.379e-08
d
yr
n .2296125314571868 1.2725e-09 deg/d
Q 2.991131027944274 1.1051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2667  
   data-arc span      13441 days (36.80 yr)  
   first obs. used      1984-06-01  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45384  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:54:56  

Additional Information
 Earth MOID = 1.31552 au 
 Jupiter MOID = 2.07251 au 
 T_jup = 3.361 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457485.5 (2016-Apr-07.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .131418139338288 3.0838e-08  
q 2.295136240714265 8.2468e-08 au
tp 2458139.906020016954
(2018-Jan-21.40602002)
6.7748e-05 TDB
node 244.8716031090312 1.774e-05 deg
peri 292.0946467230535 2.2491e-05 deg
i 9.936877731003726 3.4385e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2667  
   data-arc span      13441 days (36.80 yr)  
   first obs. used      1984-06-01  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45384  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:54:56  

Additional Information
 Jupiter MOID = 2.07251 au 
 T_jup = 3.361 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.50998733776153E-16 -2.529667213013563E-15 5.1698052811105E-13 -5.301195569387457E-17 1.15088997061057E-13 1.726776018919234E-15
q -2.529667213013563E-15 6.801033141445523E-15 -1.179090417348367E-12 -2.935788483983227E-16 -2.724390881543268E-13 -4.69781164695369E-15
tp 5.1698052811105E-13 -1.179090417348367E-12 4.589745969808129E-9 5.193553528875514E-12 9.45846939354515E-10 -9.189930773734781E-13
node -5.301195569387457E-17 -2.935788483983227E-16 5.193553528875514E-12 3.147090561170821E-10 -3.086436139466271E-10 -1.327466962562759E-11
peri 1.15088997061057E-13 -2.724390881543268E-13 9.45846939354515E-10 -3.086436139466271E-10 5.058233447652624E-10 1.289502198586424E-11
i 1.726776018919234E-15 -4.69781164695369E-15 -9.189930773734781E-13 -1.327466962562759E-11 1.289502198586424E-11 1.182299682441273E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.93   n/a E2021B10  
diameter diameter 6.623 km 0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.367   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19515 (1998 QM76)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QM76 = 1984 LF = 1986 WW1 = 1990 TL16 = 1990 VB8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-19 04:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin