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420302 (2011 XZ1)
Classification: Amor [NEO]          SPK-ID: 2420302
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 141 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4614347342254453 2.6249e-08  
a 2.138843847408229 1.8289e-08 au
q 1.151907005129684 5.2335e-08 au
i 6.666875990010984 2.451e-06 deg
node 273.7207060683064 1.873e-05 deg
peri 36.25848513571199 2.3321e-05 deg
M 341.9418921524635 3.7607e-06 deg
tp 2459057.810841684448
(2020-Jul-27.31084168)
1.1372e-05 TDB
period 1142.528507449132
3.13
1.4655e-05
4.012e-08
d
yr
n .3150906061886846 4.0415e-09 deg/d
Q 3.125780689686775 2.6728e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2131  
   data-arc span      8166 days (22.36 yr)  
   first obs. used      1998-05-01  
   last obs. used      2020-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .23844  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-16 08:00:48  

Additional Information
 Earth MOID = .152183 au 
 Jupiter MOID = 2.19042 au 
 T_jup = 3.563 
[ 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 17.5   n/a MPO368846  

420302 (2011 XZ1)          Discovered 2011-Dec-06 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2015-01-07

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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
1923-Aug-05 00:04 00:01 Earth 0.261702540601143 0.261692642196916 0.261712439010309 7.22794196755181 7.22653322353161 2423636.502966432 1.04251589801474 496.837960937824 6.01716438265363 -6.72187726339673 431441.387546693 T 141 CATAB v2.0f-lin.ifort 2020-Sep-16 08:01:04 2020-Sep-16 08:01
1948-Aug-11 16:15 00:01 Earth 0.353887794729242 0.353876228191725 0.353899361271084 9.77093119529939 9.77016059718294 2432775.176989987 1.20969249441457 580.063481847638 5.56665492074416 -6.18929967627857 579832.208774247 T 141 CATAB v2.0f-lin.ifort 2020-Sep-16 08:01:04 2020-Sep-16 08:01
1970-Jul-07 14:15 < 00:01 Earth 0.370487741103454 0.370477946630764 0.370497535579472 12.0939817327388 12.0933870574617 2440775.093697044 0.808380207818074 491.536099386039 16.070382459045 -6.51060051897005 301500.659430515 T 141 CATAB v2.0f-lin.ifort 2020-Sep-16 08:01:04 2020-Sep-16 08:01
1995-Jul-13 03:21 < 00:01 Earth 0.253199313499916 0.253194294317381 0.25320433268379 9.20663642772984 9.20549334990108 2449911.639389912 0.531763453089688 251.970470978464 12.1730909287294 -6.73471176476716 277221.22368145 T 141 CATAB v2.0f-lin.ifort 2020-Sep-16 08:01:04 2020-Sep-16 08:01
2020-Jul-19 06:09 < 00:01 Earth 0.181585568426833 0.181585347993765 0.181585788860056 6.74390970353531 6.74173355088864 2459049.756489744 0.0626418337926606 14.2872453414179 4.5629412193719 42.3745653983741 3657836.80053623 T 141 CATAB v2.0f-lin.ifort 2020-Sep-16 08:01:04 2020-Sep-16 08:01
2045-Jul-22 07:25 < 00:01 Earth 0.152415595421354 0.152413941940254 0.152417248919192 5.89844495550829 5.89548043424741 2468183.808977196 0.482159582723672 114.747240801858 4.57329856589098 44.1827899208152 2033883.53611668 T 141 CATAB v2.0f-lin.ifort 2020-Sep-16 08:01:04 2020-Sep-16 08:01
2070-Jul-24 00:26 00:01 Earth 0.153426668939999 0.153423435065618 0.153429902991641 5.68769504254627 5.68464088232409 2477316.517995595 1.35557915039412 306.199295374037 5.74058950612517 58.3009171862128 2696426.19942158 T 141 CATAB v2.0f-lin.ifort 2020-Sep-16 08:01:04 2020-Sep-16 08:01
2095-Jul-25 07:41 00:03 Earth 0.152402147077546 0.152398584420137 0.152405711273575 5.48120390260545 5.47801330722351 2486448.820254902 3.27398969090971 784.916831971713 7.69953026006769 76.9784261688285 3359035.96993898 T 141 CATAB v2.0f-lin.ifort 2020-Sep-16 08:01:04 2020-Sep-16 08:01
2120-Jul-20 18:04 00:09 Earth 0.176523357430077 0.176463914452275 0.176582800433185 6.84453129377356 6.84232564454903 2495575.253013276 8.81666085268318 2966.05469987598 7.49743610449737 2.82311741415787 100445.304278497 T 141 CATAB v2.0f-lin.ifort 2020-Sep-16 08:01:04 2020-Sep-16 08:01
2145-Jul-18 16:29 00:14 Earth 0.210971063242911 0.210839679219714 0.211102447711048 7.85361436696135 7.85200607695583 2504704.186769837 14.2303591225656 6569.39433837942 9.8867133643637 -4.47431011838271 165112.560898205 T 141 CATAB v2.0f-lin.ifort 2020-Sep-16 08:01:04 2020-Sep-16 08:01
2170-Jul-09 14:49 00:17 Earth 0.355562324841436 0.355356766091678 0.355767885563925 12.2120936064385 12.2114799611465 2513826.117050183 17.177436700352 10335.166156103 14.9641375091852 -7.37905884837809 343609.514097216 T 141 CATAB v2.0f-lin.ifort 2020-Sep-16 08:01:04 2020-Sep-16 08:01
2173-Aug-27 20:44 00:20 Earth 0.473217291788004 0.47300299213478 0.473431593655334 13.8215294346776 13.8211220524784 2514971.363656441 20.4113777023638 10807.5311310831 4.22285080271718 -8.61232625986297 1729054.97316162 T 141 CATAB v2.0f-lin.ifort 2020-Sep-16 08:01:04 2020-Sep-16 08:01
2198-Aug-15 05:47 00:21 Earth 0.322247801470862 0.322059976071692 0.322435629355464 8.87207639895084 8.87114439032335 2524089.740707643 21.2634170178841 9471.88853215454 5.17080791108891 -8.6536231497477 728912.13231372 T 141 CATAB v2.0f-lin.ifort 2020-Sep-16 08:01:04 2020-Sep-16 08:01
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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