+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   312077 (2007 TH43) Classification: Main-belt Asteroid          SPK-ID: 2312077 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1566371465318529 7.5176e-08   a 2.462148304151241 1.7606e-08 au q 2.07648441945075 1.77e-07 au i 2.318005551223234 5.7482e-06 deg node 59.98243081100137 0.00016411 deg peri 28.52628147202486 0.00016524 deg M 59.57270051782702 1.961e-05 deg tp 2458766.985137850310 (2019-Oct-10.48513785) 7.5835e-05 TDB period 1411.138821023098 3.86 1.5136e-05 4.144e-08 d yr n .255113100594167 2.7364e-09 deg/d Q 2.847812188851732 2.0364e-08 au   Orbit Determination Parameters    # obs. used (total)      175      data-arc span      6938 days (19.00 yr)      first obs. used      2001-03-24      last obs. used      2020-03-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50493      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 18:48:42   Additional Information  Earth MOID = 1.09326 au   Jupiter MOID = 2.3474 au   T_jup = 3.471  [ hide covariance matrix ] Orbital Elements at Epoch 2457413.5 (2016-Jan-26.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1553056615564333 7.5348e-08   q 2.080019758436318 1.7722e-07 au tp 2457356.351522032801 (2015-Nov-29.85152203) 7.2083e-05 TDB node 60.00182891600835 0.00016421 deg peri 28.75318362248039 0.00016536 deg i 2.31798237037635 5.7423e-06 deg   Orbit Determination Parameters    # obs. used (total)      175      data-arc span      6938 days (19.00 yr)      first obs. used      2001-03-24      last obs. used      2020-03-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50493      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 18:48:42   Additional Information  Jupiter MOID = 2.3474 au   T_jup = 3.471  Orbit Covariance (6×6)   e q tp node peri i e 5.677296033200425E-15 -1.33213511245739E-14 2.429346867684539E-12 6.386361689453355E-14 6.291493405476796E-13 -2.161548343813175E-15 q -1.33213511245739E-14 3.140592871889398E-14 -5.759586125421162E-12 -1.478106360832344E-13 -1.493236159290736E-12 5.151472664439644E-15 tp 2.429346867684539E-12 -5.759586125421162E-12 5.195926655052977E-9 4.827564587919356E-11 1.457780420926489E-9 -9.837765911452417E-13 node 6.386361689453355E-14 -1.478106360832344E-13 4.827564587919356E-11 2.69643006771462E-8 -2.692844750774973E-8 3.87573883404991E-10 peri 6.291493405476796E-13 -1.493236159290736E-12 1.457780420926489E-9 -2.692844750774973E-8 2.734531223056454E-8 -3.875326979017424E-10 i -2.161548343813175E-15 5.151472664439644E-15 -9.837765911452417E-13 3.87573883404991E-10 -3.875326979017424E-10 3.297418258110452E-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 17.8   n/a MPO455299   312077 (2007 TH43)          Discovered 2007-Oct-07 by Mt. Lemmon Survey at Mount Lemmon 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-Jan-16 15:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin