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447720 (2007 EP154)
Classification: Main-belt Asteroid          SPK-ID: 2447720
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09682118798733025 6.8956e-08  
a 3.046697080562841 4.634e-08 au
q 2.751712249785216 2.2127e-07 au
i 9.901559403615407 6.6913e-06 deg
node 202.8222462074241 4.7147e-05 deg
peri 308.5434996254958 6.0549e-05 deg
M 202.8531912268218 3.8301e-05 deg
tp 2459848.401506359266
(2022-Sep-25.90150636)
0.00021346 TDB
period 1942.416423676272
5.32
4.4316e-05
1.213e-07
d
yr
n .1853361594413694 4.2284e-09 deg/d
Q 3.341681911340466 5.0827e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      8500 days (23.27 yr)  
   first obs. used      1996-03-27  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68351  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:49:31  

Additional Information
 Earth MOID = 1.77399 au 
 Jupiter MOID = 1.70001 au 
 T_jup = 3.208 
[ 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 16.5   n/a MPO446777  

447720 (2007 EP154)          Discovered 2007-Mar-12 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

[ 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
1902-Sep-08 22:27 00:09 Jupiter 1.87257274655081 1.87256955992144 1.87257593318966 2.24129736421542 2.02947088542544 2416001.435192671 9.10990672841261 281.590686395314 38.9366257974388 -54.7316655492704 1516792.36526698 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:49:32 2019-Sep-24 07:49
1951-Mar-05 09:59 00:05 Jupiter 1.72798587789265 1.72798494187941 1.72798681391808 2.91989839821619 2.74689797951702 2433710.915714173 4.84841854226539 361.426114916018 34.4286459677574 -80.0800165362872 1532217.99227887 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:49:32 2019-Sep-24 07:49
1999-Jul-30 00:03 00:01 Jupiter 1.76096773034308 1.76096691103993 1.76096854964732 3.66329426810447 3.5295507163573 2451389.501847974 1.25562031740296 135.892460142524 29.9289939117978 81.5525968446022 2008757.39159699 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:49:32 2019-Sep-24 07:49
2008-Dec-12 09:58 < 00:01 Jupiter 1.98111886750316 1.98111800080103 1.98111973420518 2.48884884450087 2.3106867968302 2454812.915162718 0.722961567970888 63.9639055183924 12.2989166394576 -66.4630786399265 1596088.52918912 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:49:32 2019-Sep-24 07:49
2047-Dec-16 17:56 00:02 Jupiter 1.98370689464597 1.9837056345533 1.98370815474067 4.19927988982781 4.0963364227419 2469061.246980008 2.13201043487732 143.03969576342 35.4130822725769 69.872506552028 2243726.65379374 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:49:32 2019-Sep-24 07:49
2057-Jun-15 01:20 00:03 Jupiter 1.78792452460485 1.78792327475602 1.78792577445682 2.59937903091501 2.41024456686348 2472529.555567187 3.13174462276324 174.06963520609 47.7333101530872 -65.611318119186 1395308.36587422 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:49:32 2019-Sep-24 07:49
2105-Nov-19 20:16 00:06 Jupiter 1.71076492060807 1.71076421741959 1.71076562380675 3.34975661917196 3.19853759532627 2490218.344145489 6.26843100689909 549.288539442193 28.3210860145411 -89.2224989499523 1824105.54711083 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:49:32 2019-Sep-24 07:49
2154-Apr-10 14:38 00:10 Jupiter 1.84913275432536 1.84912821001432 1.8491372987309 3.88877273563477 3.76914100397193 2507892.109604404 9.596804185297 715.08165046632 32.4501920722867 72.9669701582626 2087767.43120907 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:49:32 2019-Sep-24 07:49
2163-Sep-19 21:14 00:12 Jupiter 1.88492753253734 1.88492289308956 1.88493217200151 2.44879362731976 2.25784367230928 2511341.384941683 11.5666476399647 378.530196319836 49.8485805509589 -47.7260754809183 1581851.04847947 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:49:32 2019-Sep-24 07:49
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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