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541947 (2012 EW10)
Classification: Main-belt Asteroid          SPK-ID: 2541947
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .120305771310492 9.9838e-08  
a 2.720834428608296 2.2969e-08 au
q 2.393502344066433 2.7313e-07 au
i 4.900067374572543 1.0341e-05 deg
node 25.84241602654991 8.4056e-05 deg
peri 153.2791392373475 8.9983e-05 deg
M 24.61007024992241 2.7843e-05 deg
tp 2459284.437075744019
(2021-Mar-10.93707574)
0.00012677 TDB
period 1639.274180140971
4.49
2.0758e-05
5.683e-08
d
yr
n .2196093883263882 2.7809e-09 deg/d
Q 3.048166513150159 2.5733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      9916 days (27.15 yr)  
   first obs. used      1994-03-10  
   last obs. used      2021-05-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60039  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:01:43  

Additional Information
 Earth MOID = 1.39864 au 
 Jupiter MOID = 1.90909 au 
 T_jup = 3.343 
[ 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 17.60   n/a MPCxxxxx  

541947 (2012 EW10)          Discovered 2012-Feb-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

[ 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
1915-Jun-17 20:50 00:04 Jupiter 1.9449599686549 1.94495881553851 1.94496112177771 2.65530781636624 2.48589367606071 2420666.368110045 3.76175862296849 255.401870564998 25.1325106287214 -82.6955002320378 1253366.8823473 T 14 CATAB v2.0g-lin.ifort 2021-Jul-09 09:01:44 2021-Jul-09 09:01
1951-Sep-06 07:36 00:02 Jupiter 1.90689499518652 1.90689417135909 1.90689581901384 2.63391299585953 2.45949566049558 2433895.816718094 2.41669754650095 190.838348785475 26.2033038288259 -87.2616776829951 1151922.28421292 T 14 CATAB v2.0g-lin.ifort 2021-Jul-09 09:01:44 2021-Jul-09 09:01
1987-Nov-25 06:17 00:01 Jupiter 1.96556329604284 1.96556246218317 1.9655641299023 2.84046782610037 2.68447296698986 2447124.762004886 1.1315835420167 105.84382250938 23.0116036431005 -82.622032577201 1323160.21654921 T 14 CATAB v2.0g-lin.ifort 2021-Jul-09 09:01:44 2021-Jul-09 09:01
2081-Oct-16 09:47 00:02 Jupiter 1.92106894077513 1.9210679983224 1.92106988323037 2.63935146888773 2.46664792934377 2481418.907906415 2.34905494084167 199.489835460946 25.7938862915827 -84.2364104754687 1217889.54323453 T 14 CATAB v2.0g-lin.ifort 2021-Jul-09 09:01:44 2021-Jul-09 09:01
2118-Jan-04 18:52 00:04 Jupiter 1.91720515174727 1.91720427229871 1.91720603119551 2.67133648880764 2.50048741374202 2494647.286323659 3.66794324027006 221.335379649379 28.1251613131307 -89.8893159266887 1174938.72064551 T 14 CATAB v2.0g-lin.ifort 2021-Jul-09 09:01:44 2021-Jul-09 09:01
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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