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308461 (2005 SZ284)
Classification: Main-belt Asteroid          SPK-ID: 2308461
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05121229932275509 4.8936e-08  
a 3.117485251142504 6.0104e-08 au
q 2.957831663326719 1.6722e-07 au
i 11.41663966535329 5.6572e-06 deg
node 98.9639410311177 3.427e-05 deg
peri 182.0757475147893 7.8207e-05 deg
M 342.6660248138168 7.1477e-05 deg
tp 2459097.305650561535
(2020-Sep-04.80565056)
0.00039997 TDB
period 2010.504447354434
5.50
5.8142e-05
1.592e-07
d
yr
n .1790595392483283 5.1783e-09 deg/d
Q 3.277138838958288 6.3182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      4995 days (13.68 yr)  
   first obs. used      2005-09-22  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58352  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:57:46  

Additional Information
 Earth MOID = 1.94139 au 
 Jupiter MOID = 1.84191 au 
 T_jup = 3.185 
[ 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 15.9   n/a MPO433984  
diameter diameter 4.197 km 0.715 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

308461 (2005 SZ284)          Discovered 2005-Sep-25 by Becker, A. C. at Apache Point
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ 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
1918-Aug-28 21:55 00:09 Jupiter 1.90387400839776 1.90387200543099 1.90387601141443 3.95564485830834 3.84152805957682 2421834.412985140 8.6009057470405 519.518975954962 21.8426820526386 -80.3071532818327 2615778.1746097 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 05:57:47 2019-Sep-24 05:57
1928-Nov-01 04:48 00:09 Jupiter 1.89833079386479 1.89832942740723 1.89833216038257 3.11438011033435 2.96765510721861 2425551.700209898 8.49420227992457 633.942270284638 27.6441558626205 -83.1927462901874 2122205.3665629 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 05:57:47 2019-Sep-24 05:57
2000-Oct-14 22:26 00:01 Jupiter 1.85469205045385 1.85469143915104 1.85469266175676 3.52719627450051 3.39525111068353 2451832.434875700 1.42006272378813 110.274395138868 25.876891925103 -84.564085238233 2272715.54792517 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 05:57:47 2019-Sep-24 05:57
2010-Nov-22 15:38 < 00:01 Jupiter 1.98475187642666 1.98475121056981 1.98475254228351 3.319332836792 3.18817198423359 2455523.151121203 0.523861690192607 64.2538828194245 24.3863496495878 78.0283817072455 2445024.63816002 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 05:57:47 2019-Sep-24 05:57
2072-Sep-12 15:46 00:05 Jupiter 1.8771238270235 1.87712292595368 1.87712472810453 3.88892584656784 3.77111068381425 2478098.157115417 5.03185244064458 284.3954702858 21.9590157646006 -83.4753559739253 2510514.8937154 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 05:57:47 2019-Sep-24 05:57
2082-Nov-15 03:49 00:07 Jupiter 1.91770709752017 1.91770572657179 1.91770846851107 3.16867053918392 3.02607054230882 2481813.658681609 6.59655938790152 538.530269746906 28.3076724014532 -82.8930905508883 2169668.00815699 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 05:57:47 2019-Sep-24 05:57
2144-Aug-05 01:28 00:11 Jupiter 1.97591630990394 1.97591252595971 1.97592009395914 4.06030795803228 3.95332191504084 2504356.561033220 11.2221724957005 777.182593693259 19.9407431466538 -76.3720948377233 2996613.65823864 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 05:57:47 2019-Sep-24 05:57
2154-Oct-31 17:57 00:13 Jupiter 1.86092294773208 1.8609216055474 1.86092428992374 3.51920995146427 3.38740512705868 2508096.247818799 12.9449981905108 231.69585070719 42.7279840333323 -69.793837410043 1674495.37202509 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 05:57:47 2019-Sep-24 05:57
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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