+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2015 TC25) Classification: Apollo [NEO]          SPK-ID: 3729281 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2457607.5 (2016-Aug-07.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1176862697109047 1.8415e-07   a 1.029234076078501 1.2734e-07 au q .9081073570054725 1.2653e-07 au i 3.6382560846412 7.2461e-06 deg node 19.65441864882687 5.3609e-06 deg peri 80.5783523092699 6.5335e-05 deg M 214.2377620633304 5.0059e-05 deg tp 2457761.923072204521 (2017-Jan-08.42307220) 4.1587e-05 TDB period 381.3903160418075 1.04 7.0781e-05 1.938e-07 d yr n .9439148946837373 1.7518e-07 deg/d Q 1.150360795151529 1.4233e-07 au Additional Model Parameters  Parameter Value Uncertainty (1-sigma)  A1 [EST] 1.579019728907415E-10 2.068E-11 A2 [EST] -4.586729812618346E-12 2.855E-12 ALN [SET] 1. n/a NK [SET] 0. n/a NM [SET] 2. n/a R0 [SET] 1. n/a   Orbit Determination Parameters    # obs. used (total)      47      # delay obs. used      0      # Doppler obs. used      2      data-arc span      562 days (1.54 yr)      first obs. used      2015-10-11      last obs. used      2017-04-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      2      norm. resid. RMS      .46585      source      ORB      producer      Davide Farnocchia      solution date      2017-Jun-21 12:07:21   Additional Information  Earth MOID = .00108502 au   Jupiter MOID = 3.91276 au   T_jup = 5.937  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 29.3   n/a E2018E19   rotation period rot_per 0.03715 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Reddy. V.; Sanchez, J.A.; Bottke, W.F.; Thirouin, A.; et al. (2017) Astron. J. 152, A162.] [Thirouin, A.; Moskovitz, N.; Binzel, R.P.; Christensen, E.; et al. (2016) Astron. J. 152, A163.] [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-27 01:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin