+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100293 (1995 DY7) Classification: Main-belt Asteroid          SPK-ID: 2100293 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1990454918196066 3.5935e-08   a 2.640706173060173 1.5222e-08 au q 2.115085514092339 9.3866e-08 au i 18.01048630906022 4.5807e-06 deg node 163.7283030394435 1.5209e-05 deg peri 155.9964551793412 1.9715e-05 deg M 178.1807208343109 1.4745e-05 deg tp 2458224.723251784870 (2018-Apr-16.22325178) 6.1358e-05 TDB period 1567.395327899404 4.29 1.3552e-05 3.71e-08 d yr n .2296804090149137 1.9859e-09 deg/d Q 3.166326832028006 1.8252e-08 au   Orbit Determination Parameters    # obs. used (total)      561      data-arc span      9103 days (24.92 yr)      first obs. used      1995-02-24      last obs. used      2020-01-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55163      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 01:03:33   Additional Information  Earth MOID = 1.11434 au   Jupiter MOID = 2.2601 au   T_jup = 3.298  [ hide covariance matrix ] Orbital Elements at Epoch 2457067.5 (2015-Feb-14.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2009289658191415 3.6181e-08   q 2.108449512709929 9.4662e-08 au tp 2456655.337651378870 (2013-Dec-28.83765138) 5.6306e-05 TDB node 163.7874231668677 1.5198e-05 deg peri 155.4911017776847 1.9564e-05 deg i 18.0226904579484 4.5828e-06 deg   Orbit Determination Parameters    # obs. used (total)      561      data-arc span      9103 days (24.92 yr)      first obs. used      1995-02-24      last obs. used      2020-01-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55163      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 01:03:33   Additional Information  Jupiter MOID = 2.2601 au   T_jup = 3.298  Orbit Covariance (6×6)   e q tp node peri i e 1.309045009636493E-15 -3.397582629226836E-15 2.958155250372373E-13 1.149322890970567E-14 4.814930913498092E-14 3.289740849206972E-16 q -3.397582629226836E-15 8.960909832786865E-15 -6.596998234032376E-13 -2.882661903330634E-14 -9.423752219859842E-14 -2.49663033340079E-16 tp 2.958155250372373E-13 -6.596998234032376E-13 3.170334908104656E-9 1.93741784433847E-11 7.190624566625633E-10 5.274006579743605E-12 node 1.149322890970567E-14 -2.882661903330634E-14 1.93741784433847E-11 2.309717966103013E-10 -2.149940777719923E-10 1.093182586837975E-11 peri 4.814930913498092E-14 -9.423752219859842E-14 7.190624566625633E-10 -2.149940777719923E-10 3.827558017349207E-10 -9.253094835756217E-12 i 3.289740849206972E-16 -2.49663033340079E-16 5.274006579743605E-12 1.093182586837975E-11 -9.253094835756217E-12 2.10019427515847E-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 15.5   n/a MPO453457   100293 (1995 DY7)          Discovered 1995-Feb-24 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-23 15:53 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin