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213555 (2002 LQ1)
Classification: Main-belt Asteroid          SPK-ID: 2213555
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1574213352422509 4.0289e-08  
a 2.3187185917239 1.141e-08 au
q 1.953702814963692 9.2317e-08 au
i 5.589869290578018 4.0355e-06 deg
node 134.2399394266852 4.6621e-05 deg
peri 60.71403735351875 4.8432e-05 deg
M 181.4456696955386 1.4332e-05 deg
tp 2460036.144072448241
(2023-Apr-01.64407245)
5.3659e-05 TDB
period 1289.645934034304
3.53
9.5195e-06
2.606e-08
d
yr
n .279146384677722 2.0605e-09 deg/d
Q 2.683734368484108 1.3207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      6637 days (18.17 yr)  
   first obs. used      2002-05-23  
   last obs. used      2020-07-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57999  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:43:10  

Additional Information
 Earth MOID = .96113 au 
 Jupiter MOID = 2.27998 au 
 T_jup = 3.556 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457344.5 (2015-Nov-18.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1567671789807238 4.0271e-08  
q 1.956201117658468 9.23e-08 au
tp 2457455.132865323736
(2016-Mar-07.63286532)
4.6896e-05 TDB
node 134.270434898208 4.6637e-05 deg
peri 60.59031127100707 4.8469e-05 deg
i 5.587466667600591 4.0344e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      6637 days (18.17 yr)  
   first obs. used      2002-05-23  
   last obs. used      2020-07-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57999  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:43:10  

Additional Information
 Jupiter MOID = 2.27998 au 
 T_jup = 3.556 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.621761664880619E-15 -3.697390798103921E-15 3.501068584244863E-13 1.169768822433035E-14 9.081184812689218E-14 -2.28498090379239E-15
q -3.697390798103921E-15 8.519253493560498E-15 -7.224676601336393E-13 -2.753129667488399E-14 -1.882045531023391E-13 5.346274171880282E-15
tp 3.501068584244863E-13 -7.224676601336393E-13 2.199238386788845E-9 1.048140578578833E-11 6.382908813552148E-10 -1.973966036084339E-12
node 1.169768822433035E-14 -2.753129667488399E-14 1.048140578578833E-11 2.174972623688049E-9 -2.161453755714371E-9 4.317207142079026E-12
peri 9.081184812689218E-14 -1.882045531023391E-13 6.382908813552148E-10 -2.161453755714371E-9 2.349261933635136E-9 -4.837741470082368E-12
i -2.28498090379239E-15 5.346274171880282E-15 -1.973966036084339E-12 4.317207142079026E-12 -4.837741470082368E-12 1.627611827348897E-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 16.89   n/a E2021B55  

213555 (2002 LQ1)          Discovered 2002-Jun-02 by NEAT at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ 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
2031-Jul-14 06:56 < 00:01 Amphi 0.0423046783892924 0.0423032235717161 0.042306133381178 5.05108690414856 5.05108687724562 2463061.789124519 0.716460225587165 274.499056234851 62.3276764065035 -82.024340502633 100574.044828013 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 23:43:10 2021-Apr-13 23:43
2087-Aug-23 05:01 < 00:01 Thisb 0.0439074833052581 0.0438879166611192 0.0439270500158792 5.93607250553476 5.93607247937481 2483555.708948829 0.772463235080109 979.23378549083 54.4455435579431 5.019372866226 12487.6853274126 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 23:43:10 2021-Apr-13 23:43
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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