+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120295 (2004 JO16) Classification: Main-belt Asteroid          SPK-ID: 2120295 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2039886499692309 4.4346e-08   a 2.663802058810601 1.7909e-08 au q 2.120416673048569 1.1684e-07 au i 4.420440012378455 5.4863e-06 deg node 173.1597047754061 7.196e-05 deg peri 133.0675276257756 7.3712e-05 deg M 243.1833692335694 1.9651e-05 deg tp 2459715.792151379781 (2022-May-16.29215138) 8.9053e-05 TDB period 1588.003123182265 4.35 1.6015e-05 4.385e-08 d yr n .2266998060297144 2.2862e-09 deg/d Q 3.207187444572633 2.1562e-08 au   Orbit Determination Parameters    # obs. used (total)      396      data-arc span      8546 days (23.40 yr)      first obs. used      1996-09-21      last obs. used      2020-02-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58778      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 17:58:12   Additional Information  Earth MOID = 1.10663 au   Jupiter MOID = 2.06986 au   T_jup = 3.350  [ hide covariance matrix ] Orbital Elements at Epoch 2457328.5 (2015-Nov-02.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2053698025200899 4.4559e-08   q 2.116433460957212 1.1764e-07 au tp 2456537.088023167152 (2013-Sep-01.58802317) 7.7682e-05 TDB node 173.2062391409739 7.2028e-05 deg peri 132.6820596333465 7.3735e-05 deg i 4.416943015284521 5.4852e-06 deg   Orbit Determination Parameters    # obs. used (total)      396      data-arc span      8546 days (23.40 yr)      first obs. used      1996-09-21      last obs. used      2020-02-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58778      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 17:58:12   Additional Information  Jupiter MOID = 2.06986 au   T_jup = 3.350  Orbit Covariance (6×6)   e q tp node peri i e 1.985538850025329E-15 -5.204669491159076E-15 3.552629318239529E-13 1.396874746165225E-14 4.540921806698404E-14 1.278210179942309E-15 q -5.204669491159076E-15 1.383891058967489E-14 -7.7551461012206E-13 -3.569510211220583E-14 -6.836141167028235E-14 -3.359206381600267E-15 tp 3.552629318239529E-13 -7.7551461012206E-13 6.034548317026344E-9 1.853498043628684E-11 1.257849022095411E-9 -2.009150636818455E-13 node 1.396874746165225E-14 -3.569510211220583E-14 1.853498043628684E-11 5.188058408956774E-9 -5.168751219153665E-9 6.092708620902059E-11 peri 4.540921806698404E-14 -6.836141167028235E-14 1.257849022095411E-9 -5.168751219153665E-9 5.436787273692169E-9 -6.080815252076719E-11 i 1.278210179942309E-15 -3.359206381600267E-15 -2.009150636818455E-13 6.092708620902059E-11 -6.080815252076719E-11 3.008698488644269E-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 16.09   n/a E2021B55   120295 (2004 JO16)          Discovered 2004-May-11 by LONEOS at Anderson Mesa Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ show close-approach data ] Alternate Designations  2004 JO16 = 1996 SS5  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-11 10:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin