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47429 (1999 XN172)
Classification: Main-belt Asteroid          SPK-ID: 2047429
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 .2282018346750867 4.061e-08  
a 3.105226067859139 2.0326e-08 au
q 2.396607782092778 1.2639e-07 au
i 7.401456940428827 4.8977e-06 deg
node 62.91531242618909 3.6243e-05 deg
peri 96.80441366109356 3.7721e-05 deg
M 223.912165653483 1.0751e-05 deg
tp 2459756.035828593862
(2022-Jun-25.53582859)
6.3231e-05 TDB
period 1998.656967390793
5.47
1.9624e-05
5.373e-08
d
yr
n .1801209541575175 1.7686e-09 deg/d
Q 3.8138443536255 2.4965e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1098  
   data-arc span      7693 days (21.06 yr)  
   first obs. used      1998-09-21  
   last obs. used      2019-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53522  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:32:07  

Additional Information
 Earth MOID = 1.41917 au 
 Jupiter MOID = 1.25687 au 
 T_jup = 3.167 
[ 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 13.9   n/a MPO417145  
diameter diameter 6.193 km 0.362 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.152   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47429 (1999 XN172)          Discovered 1999-Dec-10 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
1905-Jul-28 12:19 00:04 Jupiter 1.93117153605773 1.93116774162247 1.93117533050066 3.3336642169404 3.19939151254856 2417055.013068510 4.14765984791914 280.997303268382 30.7902440473112 -59.5873987328359 1222179.19834658 T 24 CATAB v2.0f-lin.ifort 2019-Nov-07 06:32:10 2019-Nov-07 06:32
1915-Jun-22 06:07 00:04 Jupiter 1.26814519413742 1.26814453237795 1.26814585593946 0.477105494709676 n/a 2420670.754669709 3.66166279032231 467.193274955015 20.3953061491586 86.8136837413768 9283871.36069478 F 24 CATAB v2.0f-lin.ifort 2019-Nov-07 06:32:10 2019-Nov-07 06:32
1925-May-03 07:50 00:03 Jupiter 1.85470491255216 1.85470211788422 1.854707707214 2.25322233699015 2.04049841456324 2424273.826694741 3.3035710389047 68.4550694260206 20.7809774425394 78.2444243951551 431290.860044033 T 24 CATAB v2.0f-lin.ifort 2019-Nov-07 06:32:10 2019-Nov-07 06:32
1987-Feb-28 00:43 00:01 Jupiter 1.31945247090371 1.3194516523594 1.31945328949465 0.999784952164176 n/a 2446854.529753377 1.12088794361416 422.196718954849 14.9222321444017 84.833758279679 13169257.8801105 F 24 CATAB v2.0f-lin.ifort 2019-Nov-07 06:32:10 2019-Nov-07 06:32
1997-Jan-26 01:19 < 00:01 Jupiter 1.65004645895286 1.65004567105205 1.65004724685536 1.27725271241795 0.777630658198294 2450474.555181128 0.758038343423673 701.015698786786 165.603005805524 -12.2009973180074 1206781.13946495 T 24 CATAB v2.0f-lin.ifort 2019-Nov-07 06:32:10 2019-Nov-07 06:32
2058-Dec-15 15:15 00:02 Jupiter 1.48338395228866 1.48338277517823 1.48338512942305 1.67531601708741 1.29022087186118 2473078.135332809 1.54463427157319 397.324948096464 167.06820524913 81.5399070343143 959667.806297316 T 24 CATAB v2.0f-lin.ifort 2019-Nov-07 06:32:10 2019-Nov-07 06:32
2068-Dec-06 00:01 00:02 Jupiter 1.41966303074797 1.41966158285113 1.41966447864521 0.226906284560267 n/a 2476721.500692680 2.07260844557192 87.6888084781892 47.0865259986051 42.276564516174 3522487.82513793 F 24 CATAB v2.0f-lin.ifort 2019-Nov-07 06:32:10 2019-Nov-07 06:32
2130-Sep-26 06:14 00:04 Jupiter 1.71430377277782 1.71430059160835 1.71430695398433 2.4670494993595 2.25790848061055 2499294.759376470 3.65939952932892 461.035150725253 10.8619580715935 -80.3009570105326 1262163.63011921 T 24 CATAB v2.0f-lin.ifort 2019-Nov-07 06:32:10 2019-Nov-07 06:32
2140-Sep-16 04:58 00:04 Jupiter 1.27768791512964 1.27768643738097 1.27768939288754 0.656006269422212 n/a 2502937.706842816 3.86873588604086 241.715029012649 49.2775810465135 -76.6127331072813 3776418.25152402 F 24 CATAB v2.0f-lin.ifort 2019-Nov-07 06:32:10 2019-Nov-07 06:32

Alternate Designations
 1999 XN172 = 2001 HT28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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