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215438 (2002 LL25)
Classification: Main-belt Asteroid          SPK-ID: 2215438
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 .1681709351803163 4.285e-08  
a 2.41270310379475 1.5266e-08 au
q 2.006956566517135 1.0447e-07 au
i 11.66930922520636 4.5756e-06 deg
node 106.215405460455 2.8097e-05 deg
peri 51.34439734692534 3.3231e-05 deg
M 36.52963099242383 2.0206e-05 deg
tp 2459061.601666335026
(2020-Jul-31.10166634)
7.6182e-05 TDB
period 1368.844928375032
3.75
1.2992e-05
3.557e-08
d
yr
n .2629954588262668 2.4961e-09 deg/d
Q 2.818449641072364 1.7834e-08 au
  Orbit Determination Parameters
   # obs. used (total)      533  
   data-arc span      9932 days (27.19 yr)  
   first obs. used      1993-12-09  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54085  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:50:45  

Additional Information
 Earth MOID = 1.0396 au 
 Jupiter MOID = 2.23919 au 
 T_jup = 3.471 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457191.5 (2015-Jun-18.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1683896409711804 4.3032e-08  
q 2.006665396089807 1.0494e-07 au
tp 2457693.578954060155
(2016-Nov-01.07895406)
7.0618e-05 TDB
node 106.2559330130131 2.8102e-05 deg
peri 51.55147752298742 3.3187e-05 deg
i 11.66814596195456 4.5742e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      533  
   data-arc span      9932 days (27.19 yr)  
   first obs. used      1993-12-09  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54085  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:50:45  

Additional Information
 Jupiter MOID = 2.23919 au 
 T_jup = 3.471 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.851721829859917E-15 -4.48302193439827E-15 6.700169077578059E-13 8.030180913405186E-15 2.612764202992253E-13 1.497746853915259E-15
q -4.48302193439827E-15 1.101290092769431E-14 -1.322445215211657E-12 -1.773930865518653E-14 -5.763654899038319E-13 -3.017085199718531E-15
tp 6.700169077578059E-13 -1.322445215211657E-12 4.986887875052399E-9 2.648105463444529E-11 1.275896984917644E-9 6.826063998042918E-12
node 8.030180913405186E-15 -1.773930865518653E-14 2.648105463444529E-11 7.897030068768038E-10 -7.658808997122228E-10 -4.595203908834802E-11
peri 2.612764202992253E-13 -5.763654899038319E-13 1.275896984917644E-9 -7.658808997122228E-10 1.101363494086375E-9 4.685576754268522E-11
i 1.497746853915259E-15 -3.017085199718531E-15 6.826063998042918E-12 -4.595203908834802E-11 4.685576754268522E-11 2.092317161210157E-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 16.01   n/a MPCxxxxx  
diameter diameter 4.093 km 0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215438 (2002 LL25)          Discovered 2002-Jun-03 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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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
1980-Aug-01 20:36 < 00:01 Eunom 0.00107723450742247 0.00107452065426677 0.0010799725598368 9.28516314038423 9.28516173694336 2444453.358093357 0.317886575327407 297.260092088773 36.69458944075 -63.6653795999677 3939.04721782882 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 23:50:46 2021-Apr-13 23:50
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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