+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   277972 (2006 TF22) Classification: Main-belt Asteroid          SPK-ID: 2277972 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2372592338906922 7.1452e-08   a 2.607577412279568 2.86e-08 au q 1.988905593131444 2.0116e-07 au i 2.636430733135024 7.5038e-06 deg node 164.5707422837006 0.00012377 deg peri 203.0123958171686 0.00012514 deg M 102.4639098171127 2.4422e-05 deg tp 2458562.753517173247 (2019-Mar-20.25351717) 9.8646e-05 TDB period 1537.992587818584 4.21 2.5303e-05 6.928e-08 d yr n .2340713491412901 3.851e-09 deg/d Q 3.226249231427692 3.5386e-08 au   Orbit Determination Parameters    # obs. used (total)      218      data-arc span      5772 days (15.80 yr)      first obs. used      2004-03-17      last obs. used      2020-01-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55318      source      ORB      producer      Otto Matic      solution date      2020-Jan-30 04:42:29   Additional Information  Earth MOID = .988089 au   Jupiter MOID = 2.23524 au   T_jup = 3.369  [ show covariance matrix ] [ 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 16.9   n/a MPO360401   diameter diameter 2.435 km 0.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.057   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   277972 (2006 TF22)          Discovered 2006-Oct-11 by Spacewatch at Kitt Peak Reference: 20110517/Numbers.arc Last Updated: 2011-05-20 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 1961-Apr-21 00:38 00:04 Europ 0.0457671059722045 0.0457534607633425 0.0457807608917154 4.27819136275448 4.2781913084722 2437410.526273015 3.54665361774171 1260.44048231463 95.8158027023545 -57.6005840164069 60367.0410954939 T 15 CATAB v2.0f-lin.ifort 2020-Jan-30 04:42:46 2020-Jan-30 04:42 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-21 02:18 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin