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43642 (2002 EA41)
Classification: Outer Main-belt Asteroid          SPK-ID: 2043642
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .006448354912993291 5.3217e-08  
a 3.244761215042634 3.1681e-08 au
q 3.223837843120124 1.6866e-07 au
i 21.8562625760086 8.076e-06 deg
node 15.61107687840644 1.3422e-05 deg
peri 240.8664196968246 0.00058883 deg
M 47.19929725691139 0.00058743 deg
tp 2459116.598276974191
(2020-Sep-24.09827697)
0.0034846 TDB
period 2134.875435556114
5.84
3.1267e-05
8.56e-08
d
yr
n .1686281054174121 2.4697e-09 deg/d
Q 3.265684586965144 3.1886e-08 au
  Orbit Determination Parameters
   # obs. used (total)      451  
   data-arc span      9248 days (25.32 yr)  
   first obs. used      1996-03-22  
   last obs. used      2021-07-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62185  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 16:42:59  

Additional Information
 Earth MOID = 2.2317 au 
 Jupiter MOID = 1.69884 au 
 T_jup = 3.069 
[ show covariance matrix ]

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 14.30   n/a E2021B10  
diameter diameter 6.201 km 0.205 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.115   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43642 (2002 EA41)          Discovered 2002-Mar-09 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

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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
1964-Sep-04 15:38 00:03 Jupiter 1.9890733102023 1.98907082022674 1.98907580048247 6.0306249351443 5.95959408015439 2438643.151450570 2.67089585418569 1397.50478719376 55.7725843237667 -85.3879248236325 2296612.64749607 T 16 CATAB v2.0g-lin.ifort 2021-Aug-25 16:43:00 2021-Aug-25 16:43
1976-Feb-25 12:38 00:02 Jupiter 1.82742926510976 1.82742764791154 1.82743088241446 6.25728019946405 6.18276197128241 2442834.026185300 1.89913054648577 908.62753132898 49.6741202059408 -85.9819277862646 2304965.66415286 T 16 CATAB v2.0g-lin.ifort 2021-Aug-25 16:43:00 2021-Aug-25 16:43
1987-Sep-04 16:08 00:01 Jupiter 1.73144890568075 1.73144795007009 1.73144986130884 6.3450825855998 6.26750952670531 2447043.172476240 1.26174311815814 422.789195371175 34.3517668556027 -85.6082134543592 2487798.85136069 T 16 CATAB v2.0g-lin.ifort 2021-Aug-25 16:43:00 2021-Aug-25 16:43
1999-Mar-25 18:42 < 00:01 Jupiter 1.70521893245877 1.70521821414177 1.70521965078022 6.35186758957236 6.27317899051698 2451263.279004735 0.73396737312024 268.80305415899 29.0578829176441 -85.778320850252 2613600.91717908 T 16 CATAB v2.0g-lin.ifort 2021-Aug-25 16:43:00 2021-Aug-25 16:43
2010-Oct-14 11:37 < 00:01 Jupiter 1.74030638992385 1.74030568896831 1.74030709088177 6.29656669797139 6.21878882855298 2455483.984147640 0.326193954478306 228.301503634807 29.6888877858889 -85.7275299962144 2613037.95483104 T 16 CATAB v2.0g-lin.ifort 2021-Aug-25 16:43:00 2021-Aug-25 16:43
2022-Apr-25 14:56 < 00:01 Jupiter 1.84224318029086 1.84224238465186 1.84224397593237 6.15873319445751 6.08362054753103 2459695.122409527 0.39281905519505 289.337464605478 35.3021141718601 -86.7791626939951 2528277.67587485 T 16 CATAB v2.0g-lin.ifort 2021-Aug-25 16:43:00 2021-Aug-25 16:43

Alternate Designations
 2002 EA41 = 1996 FG12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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