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JPL Small-Body Database Browser
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39021 (2000 UO54)
Classification: Main-belt Asteroid          SPK-ID: 2039021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01337995006816448 3.6094e-08  
a 2.446914709047351 1.0898e-08 au
q 2.41417511241924 9.157e-08 au
i 3.594576238476268 3.1131e-06 deg
node 142.1543517477214 6.0758e-05 deg
peri 59.45284022501194 0.00013703 deg
M 252.8102008253282 0.00012462 deg
tp 2459416.772413277118
(2021-Jul-21.27241328)
0.00048511 TDB
period 1398.062781473827
3.83
9.3401e-06
2.557e-08
d
yr
n .2574991658246498 1.7203e-09 deg/d
Q 2.479654305675461 1.1044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1325  
   data-arc span      7950 days (21.77 yr)  
   first obs. used      1998-02-26  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53002  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:08:10  

Additional Information
 Earth MOID = 1.41127 au 
 Jupiter MOID = 2.47711 au 
 T_jup = 3.495 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO452711  
diameter diameter 3.398 km 0.216 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.187   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

39021 (2000 UO54)          Discovered 2000-Oct-24 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 UO54 = 1998 FH17 = 1998 FJ7 = 1999 NL16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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