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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
(2019 LL1)
Classification: Apollo [NEO]          SPK-ID: 3842759
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5297846637957676 0.00064542  
a 2.106169015566712 0.0028523 au
q .9903529717576386 1.818e-05 au
i 1.545308053057781 0.0014719 deg
node 247.6516861518186 0.00023548 deg
peri 41.54802711034069 0.0017738 deg
M 234.1232046340118 0.47415 deg
tp 2459786.874492983497
(2022-Jul-26.37449298)
2.2634 TDB
period 1116.447372730234
3.06
2.2679
0.006209
d
yr
n .3224513835521259 0.00065502 deg/d
Q 3.221985059375785 0.0043634 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      21 days  
   first obs. used      2019-05-25  
   last obs. used      2019-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .61941  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:23:07  

Additional Information
 Earth MOID = .00897363 au 
 Jupiter MOID = 1.99005 au 
 T_jup = 3.549 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.5   .70933 MPO473674 autocmod 2.6q

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2016-Feb-15 01:59 8_13:07 Mars 0.0897478056355966 0.0701398862914946 0.16130256055291 10.6235249049156 10.6232246294483 2457433.582717738 12307.3992590248 4451274.67812928 87.5673827826546 -51.4016961257826 121866.854525255 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 21:23:07 2021-Apr-15 21:23
2016-May-06 09:51 6_05:12 Earth 0.447888714480991 0.332068555274305 0.563709287086053 22.0081295106538 22.0078592008662 2457514.910667321 8951.97791689129 5775533.23329187 33.7068578645725 -0.372951610721272 11295.0591863473 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 21:23:07 2021-Apr-15 21:23
2019-Jun-14 12:04 < 00:01 Earth 0.0143768211068142 0.0143325167727253 0.0144211241335709 8.85080541994244 8.82984107278413 2458649.002704228 0.0837209414078953 2198.61758672233 6.14397255224412 0.0224077918117337 599.435525037902 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 21:23:07 2021-Apr-15 21:23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-25 23:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin