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308590 (2005 UN522)
Classification: Main-belt Asteroid          SPK-ID: 2308590
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 .05160394598380069 5.3284e-08  
a 3.113666514807229 3.6664e-08 au
q 2.952989036165548 1.782e-07 au
i 18.7082468510587 7.7563e-06 deg
node 189.8064507922317 1.727e-05 deg
peri 86.50576781514027 7.8274e-05 deg
M 327.4235393308911 7.4299e-05 deg
tp 2459182.096706676177
(2020-Nov-28.59670668)
0.00041351 TDB
period 2006.811454057574
5.49
3.5446e-05
9.705e-08
d
yr
n .179389049864209 3.1685e-09 deg/d
Q 3.27434399344891 3.8556e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      5371 days (14.70 yr)  
   first obs. used      2005-10-01  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58884  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:24:52  

Additional Information
 Earth MOID = 2.0141 au 
 Jupiter MOID = 1.8168 au 
 T_jup = 3.135 
[ 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 15.8   n/a MPO433986  
diameter diameter 3.227 km 0.884 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

308590 (2005 UN522)          Discovered 2005-Oct-27 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
1939-Nov-09 00:19 00:04 Jupiter 1.83916236833912 1.83916121439136 1.83916352232033 5.82658582712025 5.74699977713846 2429576.513156284 3.52269863278793 482.3819398503 31.6368331827241 -84.3472084411947 2583806.97659612 T 14 CATAB v2.0f-lin.ifort 2020-Jun-24 05:25:05 2020-Jun-24 05:25
2011-Jun-24 01:28 < 00:01 Jupiter 1.8067799460241 1.80677922224338 1.80678066980482 5.72875450199428 5.64632833184482 2455736.561195619 0.318849522853452 64.2365534429579 35.1775746036607 -89.6236754702607 2418668.90829379 T 14 CATAB v2.0f-lin.ifort 2020-Jun-24 05:25:05 2020-Jun-24 05:25
2083-Feb-09 20:00 00:03 Jupiter 1.87537256610166 1.87537116331558 1.87537396890948 5.43092434522666 5.34711399258659 2481900.333547795 3.25794918620775 398.208069178471 39.8529038811579 81.2856248077978 2173888.68339645 T 14 CATAB v2.0f-lin.ifort 2020-Jun-24 05:25:05 2020-Jun-24 05:25
2093-Jun-17 05:08 00:04 Jupiter 1.99644885455973 1.9964461496594 1.99645155948651 5.79457786290124 5.72089184203137 2485680.713689453 3.7576249376213 399.506029678156 32.5783317304352 -70.7424011777299 2997913.35467109 T 14 CATAB v2.0f-lin.ifort 2020-Jun-24 05:25:05 2020-Jun-24 05:25
2165-Feb-04 23:26 00:07 Jupiter 1.87038718761562 1.87038421001766 1.87039016537678 5.88786711633826 5.81044406880654 2511845.476689403 6.91381876437278 909.58510975893 30.5408767445933 -80.8552413751889 2775027.87913114 T 14 CATAB v2.0f-lin.ifort 2020-Jun-24 05:25:05 2020-Jun-24 05:25
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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