+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   447715 (2007 EM133) Classification: Main-belt Asteroid          SPK-ID: 2447715 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1133762359535005 7.724e-08   a 3.003186018420593 4.852e-08 au q 2.662696091783886 2.2154e-07 au i 1.400375116628889 8.6861e-06 deg node 17.97825021644202 0.00034628 deg peri 136.1566413510596 0.00034916 deg M 249.4877499348497 5.029e-05 deg tp 2459784.052182353614 (2022-Jul-23.55218235) 0.00027511 TDB period 1900.954740523817 5.20 4.6068e-05 1.261e-07 d yr n .1893785224475152 4.5895e-09 deg/d Q 3.3436759450573 5.4021e-08 au   Orbit Determination Parameters    # obs. used (total)      87      data-arc span      5024 days (13.75 yr)      first obs. used      2005-11-25      last obs. used      2019-08-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .73572      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 07:49:30   Additional Information  Earth MOID = 1.67281 au   Jupiter MOID = 1.64379 au   T_jup = 3.242  [ hide covariance matrix ] Orbital Elements at Epoch 2457366.5 (2015-Dec-10.0) TDB Reference: JPL 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1106828418265758 7.8104e-08   q 2.672873623393161 2.2316e-07 au tp 2457885.462463722479 (2017-May-11.96246372) 0.0002503 TDB node 18.14109080522762 0.00034476 deg peri 136.7087671058639 0.00034773 deg i 1.404303589823031 8.6938e-06 deg   Orbit Determination Parameters    # obs. used (total)      87      data-arc span      5024 days (13.75 yr)      first obs. used      2005-11-25      last obs. used      2019-08-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .73572      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 07:49:30   Additional Information  Jupiter MOID = 1.64379 au   T_jup = 3.242  Orbit Covariance (6×6)   e q tp node peri i e 6.100294005807818E-15 -1.713778315784754E-14 4.678170996841957E-12 -6.056068341221111E-15 8.216061847672531E-13 5.917693661582754E-16 q -1.713778315784754E-14 4.979935216572772E-14 -7.91334936897381E-12 1.742715957740237E-14 -1.436456029681122E-12 -1.084350323275668E-15 tp 4.678170996841957E-12 -7.91334936897381E-12 6.265017986200761E-8 2.886712456407387E-11 1.143729313732882E-8 5.046920474008348E-13 node -6.056068341221111E-15 1.742715957740237E-14 2.886712456407387E-11 1.18856118779783E-7 -1.188138439473129E-7 1.525217025123494E-10 peri 8.216061847672531E-13 -1.436456029681122E-12 1.143729313732882E-8 -1.188138439473129E-7 1.209144401393273E-7 -1.524207948362408E-10 i 5.917693661582754E-16 -1.084350323275668E-15 5.046920474008348E-13 1.525217025123494E-10 -1.524207948362408E-10 7.558185933097589E-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 17.0   n/a MPO456121   447715 (2007 EM133)          Discovered 2007-Mar-09 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2015-10-28 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-08 01:11 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin