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JPL Small-Body Database Browser
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47444 (1999 XA205)
Classification: Main-belt Asteroid          SPK-ID: 2047444
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1401646132711599 4.7778e-08  
a 2.710998233325932 1.4742e-08 au
q 2.331012214373005 1.3097e-07 au
i 9.39291274475505 5.791e-06 deg
node 21.80596798167655 2.6569e-05 deg
peri 127.6132202849071 3.221e-05 deg
M 174.1510141590688 1.7434e-05 deg
tp 2458211.792835627216
(2018-Apr-03.29283563)
7.8163e-05 TDB
period 1630.392912411395
4.46
1.3299e-05
3.641e-08
d
yr
n .2208056703752166 1.8011e-09 deg/d
Q 3.090984252278859 1.6809e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      15098 days (41.34 yr)  
   first obs. used      1978-03-06  
   last obs. used      2019-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53624  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:19:49  

Additional Information
 Earth MOID = 1.35457 au 
 Jupiter MOID = 1.92909 au 
 T_jup = 3.330 
[ 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 14.3   n/a MPO474350  
diameter diameter 4.424 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.189   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47444 (1999 XA205)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast 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
1926-Sep-25 15:23 00:02 Jupiter 1.99687813280706 1.99687737397182 1.99687889164286 2.73079303413717 2.57077495447826 2424784.140927149 2.02560468190924 108.190347961442 34.338365746169 -76.2090153482684 2228031.84858755 T 20 CATAB v2.0f-lin.ifort 2020-Jan-29 07:20:20 2020-Jan-29 07:20
1962-Jul-24 12:03 00:01 Jupiter 1.956323881898 1.95632338717864 1.95632437661746 2.85169328004853 2.69559302489793 2437870.001921760 1.17323426028905 110.645638108641 22.7309743838177 -86.0984576162759 2130361.41586006 T 20 CATAB v2.0f-lin.ifort 2020-Jan-29 07:20:20 2020-Jan-29 07:20
1998-May-16 17:49 < 00:01 Jupiter 1.93814949044634 1.93814905289449 1.93814992799818 2.99385142271828 2.84413317537942 2450950.242300304 0.377523125941967 101.8905867865 17.3911660108181 -89.8136848283847 2160144.9444885 T 20 CATAB v2.0f-lin.ifort 2020-Jan-29 07:20:20 2020-Jan-29 07:20
2034-Mar-08 14:36 < 00:01 Jupiter 1.92662209640839 1.92662164890044 1.92662254391634 3.13667688153976 2.99323560571126 2464030.108009640 0.525340016519846 135.512022337385 17.0188398210272 -87.2117206234259 2207602.39488006 T 20 CATAB v2.0f-lin.ifort 2020-Jan-29 07:20:20 2020-Jan-29 07:20
2069-Dec-27 06:07 00:01 Jupiter 1.92517498755976 1.92517451642297 1.92517545869643 3.26634125949672 3.12874444779539 2477107.754705600 1.31656352691773 195.460535797319 17.4520462351176 -87.9602964844543 2253541.43213931 T 20 CATAB v2.0f-lin.ifort 2020-Jan-29 07:20:20 2020-Jan-29 07:20
2105-Oct-19 05:44 00:02 Jupiter 1.94656268326687 1.94656204817515 1.94656331835893 3.41186978630879 3.28185623388142 2490186.739159673 2.14074969248021 204.4290645756 24.6170757829287 89.8175185447494 2183312.31369922 T 20 CATAB v2.0f-lin.ifort 2020-Jan-29 07:20:20 2020-Jan-29 07:20
2141-Aug-13 09:45 00:03 Jupiter 1.97177216522868 1.97177108079925 1.97177324965811 3.54309774392025 3.41970658926881 2503268.906547300 2.99222041548858 161.838118743733 45.0776207313068 88.3719960948867 1683870.0737212 T 20 CATAB v2.0f-lin.ifort 2020-Jan-29 07:20:20 2020-Jan-29 07:20

Alternate Designations
 1999 XA205 = 1978 EZ4 = 1998 SB97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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