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 ]  
78083 (2002 LX21)
Classification: Main-belt Asteroid          SPK-ID: 2078083
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1199852087602808 4.1332e-08  
a 3.075116938524415 2.2034e-08 au
q 2.706148390693288 1.2182e-07 au
i 2.095230117836707 4.3186e-06 deg
node 55.8686150336372 0.00012506 deg
peri 222.1253563257702 0.00012693 deg
M 134.8832207622088 2.4051e-05 deg
tp 2458462.517086223535
(2018-Dec-10.01708622)		 0.00012894 TDB
period 1969.658252955679
5.39		 2.117e-05
5.796e-08		 d
yr
n .1827728233868907 1.9644e-09 deg/d
Q 3.444085486355543 2.4678e-08 au
   Orbit Determination Parameters
   # obs. used (total)      728  
   data-arc span      22029 days (60.31 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51426  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:13:30  

Additional Information
 Earth MOID = 1.68833 au 
 Jupiter MOID = 1.67183 au 
 T_jup = 3.217 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457559.5 (2016-Jun-20.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1220842221817472 4.1069e-08  
q 2.697837746565836 1.2126e-07 au
tp 2458465.624182489299
(2018-Dec-13.12418249)		 0.00012733 TDB
node 55.87131256142704 0.00012502 deg
peri 222.8951842006104 0.00012685 deg
i 2.097442542877094 4.3193e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      728  
   data-arc span      22029 days (60.31 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51426  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:13:30  

Additional Information
 Jupiter MOID = 1.67183 au 
 T_jup = 3.217 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.686685221774808E-15 -4.924065203839197E-15 1.558828282073225E-12 -6.062111309144028E-15 2.031295034604653E-13 6.35655097320205E-17
q -4.924065203839197E-15 1.470431656495227E-14 -4.092819952650207E-12 1.673686432378852E-14 -5.432782001526527E-13 -8.433856377846886E-17
tp 1.558828282073225E-12 -4.092819952650207E-12 1.62126829155672E-8 -1.588517133760679E-11 2.7506786347794E-9 -1.362270496173346E-12
node -6.062111309144028E-15 1.673686432378852E-14 -1.588517133760679E-11 1.563107061577395E-8 -1.562260687334039E-8 -7.507869259866413E-11
peri 2.031295034604653E-13 -5.432782001526527E-13 2.7506786347794E-9 -1.562260687334039E-8 1.609125133683204E-8 7.478212417679E-11
i 6.35655097320205E-17 -8.433856377846886E-17 -1.362270496173346E-12 -7.507869259866413E-11 7.478212417679E-11 1.865614686661549E-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 15.0   n/a MPO359291  
diameter diameter 5.513 km 0.379 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78083 (2002 LX21)          Discovered 2002-Jun-08 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 LX21 = 2003 QW29 = 2639 P-L 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-01 01:30 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin