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 ]  
48897 (1998 LQ2)
Classification: Main-belt Asteroid          SPK-ID: 2048897
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1861875789796551 4.4851e-08  
a 2.279898120527727 8.529e-09 au
q 1.855409409146404 9.9609e-08 au
i 6.758594596091037 4.9796e-06 deg
node 182.3261938089186 2.6787e-05 deg
peri 134.5921875700658 2.9449e-05 deg
M 157.6126695204158 1.1552e-05 deg
tp 2458649.996338633388
(2019-Jun-15.49633863)
3.9217e-05 TDB
period 1257.394590771205
3.44
7.0558e-06
1.932e-08
d
yr
n .2863063056277339 1.6066e-09 deg/d
Q 2.70438683190905 1.0117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      10869 days (29.76 yr)  
   first obs. used      1991-06-16  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54558  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:55:53  

Additional Information
 Earth MOID = .847963 au 
 Jupiter MOID = 2.61835 au 
 T_jup = 3.574 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457781.5 (2017-Jan-28.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1867359474656131 4.4841e-08  
q 1.853570053151598 9.9641e-08 au
tp 2457393.454144004064
(2016-Jan-05.95414400)
3.741e-05 TDB
node 182.3636581438163 2.6771e-05 deg
peri 134.6342905992373 2.9426e-05 deg
i 6.76120551911785 4.9817e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      10869 days (29.76 yr)  
   first obs. used      1991-06-16  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54558  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:55:53  

Additional Information
 Jupiter MOID = 2.61835 au 
 T_jup = 3.574 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.010731954779552E-15 -4.459030787967354E-15 8.596101611758797E-13 -1.535542097078904E-14 2.700397578524627E-13 -1.998226779111793E-15
q -4.459030787967354E-15 9.928347253943823E-15 -1.920749152838827E-12 3.393806661676152E-14 -6.00360402883159E-13 4.598494148477819E-15
tp 8.596101611758797E-13 -1.920749152838827E-12 1.399488755595003E-9 -1.21626351243067E-11 4.631875008309215E-10 -1.127579941845346E-12
node -1.535542097078904E-14 3.393806661676152E-14 -1.21626351243067E-11 7.167036780194275E-10 -7.145990147409106E-10 -2.374805012074135E-11
peri 2.700397578524627E-13 -6.00360402883159E-13 4.631875008309215E-10 -7.145990147409106E-10 8.658664678908491E-10 2.324458105017145E-11
i -1.998226779111793E-15 4.598494148477819E-15 -1.127579941845346E-12 -2.374805012074135E-11 2.324458105017145E-11 2.481752296241463E-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 16.66   n/a MPCxxxxx  

48897 (1998 LQ2)          Discovered 1998-Jun-01 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-13 16:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin