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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01368444623814439 3.6101e-08  
a 2.446247085889632 1.0881e-08 au
q 2.412771549157558 9.1555e-08 au
i 3.594624708136493 3.1133e-06 deg
node 142.1619690019494 6.0765e-05 deg
peri 59.6157489897514 0.00013459 deg
M 149.6270229244445 0.00012161 deg
tp 2458019.660098519473
(2017-Sep-23.16009852)
0.00047048 TDB
period 1397.490643375147
3.83
9.3243e-06
2.553e-08
d
yr
n .2576045869835284 1.7188e-09 deg/d
Q 2.479722622621706 1.103e-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 = 1.40997 au 
 Jupiter MOID = 2.47827 au 
 T_jup = 3.496 
[ 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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