+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   41301 (1999 XP127) Classification: Main-belt Asteroid          SPK-ID: 2041301 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1360192212332945 3.591e-08   a 3.117166232012412 1.8954e-08 au q 2.693171708679361 1.106e-07 au i 6.696847631170034 3.6738e-06 deg node 271.1335172628069 3.528e-05 deg peri 22.42744476820497 3.9342e-05 deg M 26.59093731974196 1.5307e-05 deg tp 2458852.019467368091 (2020-Jan-03.51946737) 8.5668e-05 TDB period 2010.195846229235 5.50 1.8335e-05 5.02e-08 d yr n .1790870280999212 1.6334e-09 deg/d Q 3.541160755345464 2.1532e-08 au   Orbit Determination Parameters    # obs. used (total)      1234      data-arc span      8125 days (22.25 yr)      first obs. used      1998-08-19      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53763      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 21:13:39   Additional Information  Earth MOID = 1.6785 au   Jupiter MOID = 1.64316 au   T_jup = 3.192  [ 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 14.0   n/a MPO436063   41301 (1999 XP127)          Discovered 1999-Dec-06 by Sposetti, S. at Gnosca Reference: 20020526/Numbers.arc Last Updated: 2004-04-19 [ 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 1906-Feb-18 17:47 00:03 Jupiter 1.68865132053639 1.68865067826078 1.68865196281766 2.71055399208277 2.5187117441219 2417260.241268102 3.34131775060838 206.692497101708 14.1025882650988 -82.3009645337857 2929470.33710139 T 24 CATAB v2.0f-lin.ifort 2020-Dec-17 21:13:42 2020-Dec-17 21:13 1978-Jun-11 21:24 00:01 Jupiter 1.70020715968397 1.70020663313634 1.7002076862317 2.68507040623259 2.49263463547791 2443671.391760327 1.10166823266431 89.565840578307 23.8401074825088 89.9572549921384 3289671.59951818 T 24 CATAB v2.0f-lin.ifort 2020-Dec-17 21:13:42 2020-Dec-17 21:13 1988-Aug-28 12:46 < 00:01 Jupiter 1.77693259546983 1.77693213681138 1.77693305412838 2.86609968284049 2.69465653155651 2447402.031888127 0.817884634704918 57.9407549974961 15.2697802102719 -78.7231718803873 3077574.5328708 T 24 CATAB v2.0f-lin.ifort 2020-Dec-17 21:13:42 2020-Dec-17 21:13 2050-Oct-03 22:53 00:01 Jupiter 1.92840814229798 1.92840749852345 1.92840878607294 2.67284383039245 2.50312325792167 2470083.453755158 1.12626767396934 113.339482171817 22.3106098526251 -80.6007096828314 3112564.24603064 T 24 CATAB v2.0f-lin.ifort 2020-Dec-17 21:13:42 2020-Dec-17 21:13 2060-Dec-25 13:52 00:01 Jupiter 1.66314145926486 1.66314107054497 1.66314184798523 2.72008741039811 2.52592440004146 2473819.077935226 1.42193793247105 111.134058710271 13.1489773553826 -85.726431836002 2862302.96091262 T 24 CATAB v2.0f-lin.ifort 2020-Dec-17 21:13:42 2020-Dec-17 21:13 2071-Mar-08 11:44 00:02 Jupiter 1.89955359275541 1.89955254491644 1.89955464059514 3.23404470200358 3.09309439785014 2477543.988973328 1.80807195694495 88.0790135512202 15.7128417579759 -63.5009051332055 2688519.74982803 T 24 CATAB v2.0f-lin.ifort 2020-Dec-17 21:13:42 2020-Dec-17 21:13 2133-Apr-18 05:45 00:04 Jupiter 1.80670726389857 1.80670583581033 1.80670869198887 2.58729359461619 2.39925945088737 2500229.739708627 3.64958129091881 153.831504533234 44.025793545571 -66.1095818891202 2748500.62990001 T 24 CATAB v2.0f-lin.ifort 2020-Dec-17 21:13:42 2020-Dec-17 21:13 2143-Jul-13 07:51 00:04 Jupiter 1.69956869867751 1.69956762945302 1.69956976791359 2.83843489337039 2.65705902914797 2503967.826899612 3.97414012292158 252.582313906008 13.3521840106897 -80.8429841819388 2862478.0537776 T 24 CATAB v2.0f-lin.ifort 2020-Dec-17 21:13:42 2020-Dec-17 21:13 Alternate Designations  1999 XP127 = 1998 QN96  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-18 14:18 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin