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100484 (1996 UL4)
Classification: Main-belt Asteroid          SPK-ID: 2100484
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1381423486382523 5.55e-08  
a 3.067890961667548 2.597e-08 au
q 2.644085298856726 1.7235e-07 au
i 11.93480789762689 5.6767e-06 deg
node 33.81859164853127 2.6892e-05 deg
peri 309.7527777689975 3.3709e-05 deg
M 207.2615982693262 2.4759e-05 deg
tp 2460033.229687357787
(2023-Mar-29.72968736)
0.00014092 TDB
period 1962.719814087193
5.37
2.4922e-05
6.823e-08
d
yr
n .183418946207269 2.329e-09 deg/d
Q 3.491696624478369 2.9558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      720  
   data-arc span      8626 days (23.62 yr)  
   first obs. used      1996-10-29  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56628  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:05:59  

Additional Information
 Earth MOID = 1.65506 au 
 Jupiter MOID = 2.02546 au 
 T_jup = 3.184 
[ 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 14.55   n/a E2021B55  
diameter diameter 4.719 km 1.373 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.151   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100484 (1996 UL4)          Discovered 1996-Oct-29 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1996 UL4 = 2001 QU249 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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