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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1683091785763722 4.3776e-08  
a 2.413101726674397 1.5543e-08 au
q 2.006954557236604 1.0722e-07 au
i 11.6693852491123 4.5931e-06 deg
node 106.2165307235187 2.8128e-05 deg
peri 51.36089407631714 3.3239e-05 deg
M 343.9217385304871 2.0019e-05 deg
tp 2459061.650281233563
(2020-Jul-31.15028123)
7.6427e-05 TDB
period 1369.184179883205
3.75
1.3228e-05
3.622e-08
d
yr
n .2629302947618843 2.5403e-09 deg/d
Q 2.81924889611219 1.8159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      9614 days (26.32 yr)  
   first obs. used      1993-12-09  
   last obs. used      2020-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54113  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:41:52  

Additional Information
 Earth MOID = 1.03977 au 
 Jupiter MOID = 2.23918 au 
 T_jup = 3.471 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457138.5 (2015-Apr-26.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1683740376574904 4.3958e-08  
q 2.006766576628716 1.0769e-07 au
tp 2457693.546663322117
(2016-Nov-01.04666332)
7.0754e-05 TDB
node 106.2576033098428 2.8135e-05 deg
peri 51.53749799674372 3.3207e-05 deg
i 11.66819467532215 4.5915e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      9614 days (26.32 yr)  
   first obs. used      1993-12-09  
   last obs. used      2020-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54113  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:41:52  

Additional Information
 Jupiter MOID = 2.23918 au 
 T_jup = 3.471 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.932324650240994E-15 -4.699873633103493E-15 6.327483240114908E-13 7.947037994323233E-15 2.613897922852516E-13 1.43815011579464E-15
q -4.699873633103493E-15 1.159624666342045E-14 -1.222152124829865E-12 -1.731080315148593E-14 -5.768354991156629E-13 -2.815944640607201E-15
tp 6.327483240114908E-13 -1.222152124829865E-12 5.006063474102614E-9 2.770954697296835E-11 1.275180311912959E-9 7.204280604471159E-12
node 7.947037994323233E-15 -1.731080315148593E-14 2.770954697296835E-11 7.915549329238746E-10 -7.674117761037568E-10 -4.539744181874066E-11
peri 2.613897922852516E-13 -5.768354991156629E-13 1.275180311912959E-9 -7.674117761037568E-10 1.102710552313646E-9 4.639703587394979E-11
i 1.43815011579464E-15 -2.815944640607201E-15 7.204280604471159E-12 -4.539744181874066E-11 4.639703587394979E-11 2.108180440203483E-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 16.0   n/a MPO454547  
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 21 CATAB v2.0f-lin.ifort 2020-Nov-12 03:41:53 2020-Nov-12 03:41
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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