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359021 (2008 UL361)
Classification: Main-belt Asteroid          SPK-ID: 2359021
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1448070061502254 1.935e-07  
a 2.545482983748568 4.0707e-08 au
q 2.176879213665595 5.1298e-07 au
i 10.80674908185544 1.3141e-05 deg
node 339.6944986433383 6.0917e-05 deg
peri 95.60097098516994 0.0001583 deg
M 281.0203880177671 0.00013979 deg
tp 2459325.936468984640
(2021-Apr-21.43646898)
0.00058111 TDB
period 1483.384457001712
4.06
3.5584e-05
9.742e-08
d
yr
n .2426882648667153 5.8216e-09 deg/d
Q 2.91408675383154 4.6602e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      4911 days (13.45 yr)  
   first obs. used      2004-11-03  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6435  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:21:07  

Additional Information
 Earth MOID = 1.2233 au 
 Jupiter MOID = 2.37422 au 
 T_jup = 3.404 
[ 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 16.6   n/a MPO437517  
diameter diameter 3.055 km 0.415 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

359021 (2008 UL361)          Discovered 2008-Oct-31 by CSS at Catalina
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ 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
2033-Apr-20 03:54 00:01 Eunom 0.0463800889136271 0.0463647407946557 0.0463954373214848 3.91237954279334 3.91237946543247 2463707.662347209 1.08235519886502 786.565937169922 138.52207754402 13.8323134164349 14706.547595408 T 15 CATAB v2.0e-lin.ifort 2018-Oct-04 11:21:09 2018-Dec-18 01:56

Alternate Designations
 2008 UL361 = 2010 AP94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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