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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01337993210713799 3.6087e-08  
a 2.446914716708627 1.088e-08 au
q 2.414175163927109 9.1562e-08 au
i 3.59457393154567 3.0961e-06 deg
node 142.1542900916516 6.0735e-05 deg
peri 59.45283774199346 0.00013692 deg
M 252.8102656907361 0.00012452 deg
tp 2459416.772163326824
(2021-Jul-21.27216333)
0.00048473 TDB
period 1398.062788039817
3.83
9.3244e-06
2.553e-08
d
yr
n .2574991646153071 1.7174e-09 deg/d
Q 2.479654269490145 1.1025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1356  
   data-arc span      8004 days (21.91 yr)  
   first obs. used      1998-02-26  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51622  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:04:06  

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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