+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   388468 (2007 DB83) Classification: Amor [NEO]          SPK-ID: 2388468 [ 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 129 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3000053698743991 6.9854e-08   a 1.75060020699273 5.8658e-09 au q 1.225410744391676 1.19e-07 au i 10.90379498856256 6.1596e-06 deg node 55.24952447690374 2.1202e-05 deg peri 162.2949139450291 2.2954e-05 deg M 313.2836064060526 8.4322e-06 deg tp 2459310.285680486333 (2021-Apr-05.78568049) 2.0244e-05 TDB period 846.0166107556789 2.32 4.2522e-06 1.164e-08 d yr n .4255235599670328 2.1387e-09 deg/d Q 2.275789669593783 7.6256e-09 au   Orbit Determination Parameters    # obs. used (total)      710      data-arc span      8927 days (24.44 yr)      first obs. used      1996-10-09      last obs. used      2021-03-19      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .4067      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 11:16:30   Additional Information  Earth MOID = .220794 au   Jupiter MOID = 2.69966 au   T_jup = 4.059  [ 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 18.3   n/a MPO241910   rotation period rot_per 5.41403 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Pravec, P.; Wolf, M.; Sarounova, L. (2014) http://www.asu.cas.cz/~ppravec/neo.htm] [Warner, Brian D. (2014) Minor Planet Bull. 41, 213-224.] [Oey, J. (2016) Minor Planet Bull. 43, 45-51.] [Vaduvescu, O.; Aznar, A.M.; Tudor, V.; Predatu, M.; et al. (2017) Earth, Moon, and Planets 120, 41-100.] 388468 (2007 DB83)          Discovered 2007-Feb-24 by Maticic, S. at Crni Vrh Reference: Last Updated: 2014-03-21 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-18 09:43 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin