+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   312298 (2008 CQ17) Classification: Main-belt Asteroid          SPK-ID: 2312298 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1304985154019919 4.2926e-08   a 2.656318070072771 1.9669e-08 au q 2.30967250549279 1.1413e-07 au i 7.194919063352169 6.288e-06 deg node 159.1007721762041 4.837e-05 deg peri 322.8635054119355 6.0263e-05 deg M 13.35447207929528 3.1987e-05 deg tp 2459141.839904523808 (2020-Oct-19.33990452) 0.00014059 TDB period 1581.315550778677 4.33 1.7563e-05 4.808e-08 d yr n .2276585465960462 2.5286e-09 deg/d Q 3.002963634652752 2.2236e-08 au   Orbit Determination Parameters    # obs. used (total)      165      data-arc span      6696 days (18.33 yr)      first obs. used      2002-11-12      last obs. used      2021-03-13      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .63212      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 06:29:23   Additional Information  Earth MOID = 1.32965 au   Jupiter MOID = 2.06802 au   T_jup = 3.364  [ hide covariance matrix ] Orbital Elements at Epoch 2457545.5 (2016-Jun-06.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1291338027655786 4.3222e-08   q 2.312967833993671 1.15e-07 au tp 2457563.044882184948 (2016-Jun-23.54488218) 0.00014567 TDB node 159.1570660778048 4.8324e-05 deg peri 323.3687218518547 6.0415e-05 deg i 7.197600362566 6.2917e-06 deg   Orbit Determination Parameters    # obs. used (total)      165      data-arc span      6696 days (18.33 yr)      first obs. used      2002-11-12      last obs. used      2021-03-13      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .63212      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 06:29:23   Additional Information  Jupiter MOID = 2.06802 au   T_jup = 3.364  Orbit Covariance (6×6)   e q tp node peri i e 1.868126205034818E-15 -4.914450084504502E-15 9.931763904658445E-13 -1.296386504457793E-14 2.723391844361059E-13 -2.78571072487217E-16 q -4.914450084504502E-15 1.322473927629346E-14 -3.333267567240585E-12 3.239310906362894E-14 -8.921510007381205E-13 6.698841752445163E-16 tp 9.931763904658445E-13 -3.333267567240585E-12 2.122048447399049E-8 -1.959195972053526E-11 5.319821033448954E-9 1.289625040914449E-11 node -1.296386504457793E-14 3.239310906362894E-14 -1.959195972053526E-11 2.335222928875669E-9 -2.321801662782321E-9 1.018709696497897E-10 peri 2.723391844361059E-13 -8.921510007381205E-13 5.319821033448954E-9 -2.321801662782321E-9 3.649976465673376E-9 -9.786879839683672E-11 i -2.78571072487217E-16 6.698841752445163E-16 1.289625040914449E-11 1.018709696497897E-10 -9.786879839683672E-11 3.958545721074427E-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 17.3   n/a MPO503318   312298 (2008 CQ17)          Discovered 2008-Feb-03 by Spacewatch at Kitt Peak Reference: 20120109/Numbers.arc Last Updated: 2012-01-11 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-19 04:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin