+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1991735403561408 3.5733e-08   a 2.6403418508755 1.5142e-08 au q 2.114455616686141 9.3448e-08 au i 18.0127994286036 4.5812e-06 deg node 163.726685186944 1.5022e-05 deg peri 156.0353797461947 1.9539e-05 deg M 224.0722136802808 1.4923e-05 deg tp 2459792.190245488245 (2022-Jul-31.69024549) 6.7609e-05 TDB period 1567.070973073492 4.29 1.348e-05 3.691e-08 d yr n .2297279486288568 1.9761e-09 deg/d Q 3.166228085064859 1.8157e-08 au   Orbit Determination Parameters    # obs. used (total)      564      data-arc span      9458 days (25.89 yr)      first obs. used      1995-02-24      last obs. used      2021-01-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5516      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 19:32:53   Additional Information  Earth MOID = 1.11179 au   Jupiter MOID = 2.26053 au   T_jup = 3.298  [ hide covariance matrix ] Orbital Elements at Epoch 2457113.5 (2015-Apr-01.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2008917256884901 3.5967e-08   q 2.10858676628586 9.4217e-08 au tp 2456655.326225447597 (2013-Dec-28.82622545) 5.6216e-05 TDB node 163.786976556535 1.5013e-05 deg peri 155.4952551595803 1.9398e-05 deg i 18.02270791092437 4.5826e-06 deg   Orbit Determination Parameters    # obs. used (total)      564      data-arc span      9458 days (25.89 yr)      first obs. used      1995-02-24      last obs. used      2021-01-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5516      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 19:32:53   Additional Information  Jupiter MOID = 2.26053 au   T_jup = 3.298  Orbit Covariance (6×6)   e q tp node peri i e 1.293613922590868E-15 -3.3616123433456E-15 3.093387330814145E-13 1.145340056614559E-14 5.263688267612946E-14 3.318588463538937E-16 q -3.3616123433456E-15 8.876770431272218E-15 -6.897859150513189E-13 -2.873502423136633E-14 -1.042528674301969E-13 -2.809849513278828E-16 tp 3.093387330814145E-13 -6.897859150513189E-13 3.16020069784618E-9 1.9904626039443E-11 7.151199146978261E-10 5.263962289920845E-12 node 1.145340056614559E-14 -2.873502423136633E-14 1.9904626039443E-11 2.253825155292831E-10 -2.095426425370732E-10 1.101899968164588E-11 peri 5.263688267612946E-14 -1.042528674301969E-13 7.151199146978261E-10 -2.095426425370732E-10 3.762927615735559E-10 -9.339955053266759E-12 i 3.318588463538937E-16 -2.809849513278828E-16 5.263962289920845E-12 1.101899968164588E-11 -9.339955053266759E-12 2.10005556063757E-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-Mar-04 03:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin