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JPL Small-Body Database Browser
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(2019 LL1)
Classification: Apollo [NEO]          SPK-ID: 3842759
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5299247606164635 0.00064604  
a 2.105822000026187 0.002849 au
q .9898947807614276 2.1215e-05 au
i 1.546000359732812 0.0014752 deg
node 247.6736122404618 0.00024899 deg
peri 41.50415301126468 0.0017609 deg
M 106.4821147582694 0.21484 deg
tp 2458670.354728356001
(2019-Jul-05.85472836)
0.0038847 TDB
period 1116.171462800606
3.06
2.2651
0.006202
d
yr
n .3225310913224009 0.00065453 deg/d
Q 3.221749219290947 0.0043587 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .61974  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jun-15 10:26:50  

Additional Information
 Earth MOID = .00888928 au 
 Jupiter MOID = 1.99149 au 
 T_jup = 3.550 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458637.5 (2019-Jun-03.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5317414186794202 0.00064271  
q .990180411233918 2.2504e-05 au
tp 2458670.202589633209
(2019-Jul-05.70258963)
0.0033932 TDB
node 248.0355414999433 0.0013809 deg
peri 40.95248284427426 0.0034372 deg
i 1.578093477413452 0.0014016 deg
  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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .61974  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jun-15 10:26:50  

Additional Information
 Jupiter MOID = 1.99149 au 
 T_jup = 3.550 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.130786917589939E-7 -1.446099847217901E-8 -2.17989385827915E-6 -8.868515198368404E-7 2.206687330208999E-6 9.007114999572297E-7
q -1.446099847217901E-8 5.064187714936329E-10 7.627220814602421E-8 3.105883411939888E-8 -7.731497568299679E-8 -3.152521441395603E-8
tp -2.17989385827915E-6 7.627220814602421E-8 1.151381262043562E-5 4.677100229785471E-6 -1.162952331830005E-5 -4.754878488728845E-6
node -8.868515198368404E-7 3.105883411939888E-8 4.677100229785471E-6 1.906995932989664E-6 -4.744300977656902E-6 -1.932933124979707E-6
peri 2.206687330208999E-6 -7.731497568299679E-8 -1.162952331830005E-5 -4.744300977656902E-6 1.181436031525824E-5 4.808751978806522E-6
i 9.007114999572297E-7 -3.152521441395603E-8 -4.754878488728845E-6 -1.932933124979707E-6 4.808751978806522E-6 1.964394526396244E-6

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 03:22 8_13:23 Mars 0.0901225553313934 0.0701475855908646 0.161827900778531 10.6144955584935 10.6141962772824 2457433.640096678 12323.3432390749 4450788.27134917 87.5449125177995 -51.1119852986785 121934.805977935 T 4 CATAB v2.0e-lin.ifort 2019-Jun-15 10:26:54 2019-Jun-15 10:27
2016-May-06 10:51 6_05:15 Earth 0.447111692979711 0.331296029480467 0.562927729135862 21.9852115341603 21.9849404723356 2457514.952381855 8954.67103426381 5775304.0455589 33.6662305815169 -0.367642891460984 11123.9056873705 T 4 CATAB v2.0e-lin.ifort 2019-Jun-15 10:26:54 2019-Jun-15 10:27
2019-Jun-14 12:04 < 00:01 Earth 0.0143765228233513 0.0143322192276582 0.0144208251116478 8.85062124968992 8.82965602976514 2458649.002704115 0.0837222339329057 2198.58027769812 6.14384555030526 0.0224066708103003 599.429415997848 T 4 CATAB v2.0e-lin.ifort 2019-Jun-15 10:26:54 2019-Jun-15 10:27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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