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95478 (2002 EK12)
Classification: Main-belt Asteroid          SPK-ID: 2095478
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1739560515043859 5.0307e-08  
a 3.138364097791042 2.3685e-08 au
q 2.592426671156188 1.5814e-07 au
i 17.35966441304885 6.8398e-06 deg
node 9.344700077808488 1.5328e-05 deg
peri 242.4098326285565 2.365e-05 deg
M 49.7996026129077 1.7344e-05 deg
tp 2458719.583794380719
(2019-Aug-24.08379438)
9.7757e-05 TDB
period 2030.735763275527
5.56
2.2989e-05
6.294e-08
d
yr
n .1772756488118025 2.0068e-09 deg/d
Q 3.684301524425896 2.7805e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1211  
   data-arc span      7592 days (20.79 yr)  
   first obs. used      1998-09-24  
   last obs. used      2019-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46904  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:27:32  

Additional Information
 Earth MOID = 1.63229 au 
 Jupiter MOID = 1.55896 au 
 T_jup = 3.118 
[ 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 14.2   n/a MPO348102  

95478 (2002 EK12)          Discovered 2002-Mar-14 by Yeung, W. K. Y. at Desert Eagle
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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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
1904-Jan-21 07:10 00:04 Jupiter 1.72325619750186 1.72325325904498 1.72325913638817 5.00995321840734 4.91086371178742 2416500.798283611 3.79198882986099 1435.05317575767 37.8806386621542 84.4176637216362 2027772.49774492 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 14:27:50 2020-Jan-29 14:27
1988-Mar-20 03:53 00:01 Jupiter 1.58720307420115 1.58720217835561 1.58720397004713 4.3184823785316 4.19308662476122 2447240.661890487 1.04596950061548 126.774159827942 40.6289869818625 81.8640074379288 1838592.8868008 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 14:27:50 2020-Jan-29 14:27
1998-Nov-08 04:27 < 00:01 Jupiter 1.78096430714884 1.78096364006647 1.78096497425703 5.10536319137074 5.01134093130648 2451125.685588993 0.616634055668683 611.029039349255 25.2146591317287 88.0951784504328 2774787.45618602 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 14:27:50 2020-Jan-29 14:27
2083-Jan-08 09:24 00:02 Jupiter 1.59135961666835 1.59135880032773 1.59136043300897 4.35045768289006 4.22634064006349 2481867.891566965 2.23786628056702 161.400136899194 41.8766662812692 89.6219803962187 1737173.30875429 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 14:27:50 2020-Jan-29 14:27
2093-Aug-25 11:34 00:03 Jupiter 1.83408045184372 1.83407792913772 1.83408297487009 5.21415835991128 5.12482187435611 2485749.981836468 2.70708478466814 1313.44016742445 42.2713227504375 84.9275500953561 2002899.58697911 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 14:27:50 2020-Jan-29 14:27
2167-Aug-22 23:08 00:10 Jupiter 1.98256115759301 1.98255794789318 1.98256436773968 1.19168247716598 0.752086497920522 2512774.464115984 9.64450392196209 4970.06578416707 480.488483064243 -20.7876303039485 525323.23881315 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 14:27:50 2020-Jan-29 14:27
2177-Nov-02 15:23 00:05 Jupiter 1.60083029200259 1.6008293107551 1.60083127325719 4.38525778534214 4.26289301397095 2516499.141139641 5.45084117971801 340.03628516482 45.8419992161153 -84.2391311815382 1551932.9991152 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 14:27:50 2020-Jan-29 14:27
2188-Jun-17 06:00 00:06 Jupiter 1.88146982262827 1.8814643910549 1.88147525517082 5.33043415148794 5.24529736041369 2520378.749862791 6.02664486091891 2197.16301882701 44.4585867306243 83.1357779263676 1998480.04348047 T 18 CATAB v2.0f-lin.ifort 2020-Jan-29 14:27:50 2020-Jan-29 14:27

Alternate Designations
 2002 EK12 = 1998 SA149 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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