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74329 (1998 UU45)
Classification: Main-belt Asteroid          SPK-ID: 2074329
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06174433883904218 4.2248e-08  
a 2.731063300019128 1.6635e-08 au
q 2.562435602231874 1.2062e-07 au
i 5.354935932510529 5.3968e-06 deg
node 12.96795588238507 4.718e-05 deg
peri 301.0034550047459 6.4794e-05 deg
M 336.2346650196018 4.2807e-05 deg
tp 2459109.327215099210
(2020-Sep-16.82721510)
0.00019596 TDB
period 1648.527044454857
4.51
1.5062e-05
4.124e-08
d
yr
n .2183767631904678 1.9952e-09 deg/d
Q 2.899690997806382 1.7662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      10748 days (29.43 yr)  
   first obs. used      1991-01-11  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:49:17  

Additional Information
 Earth MOID = 1.554 au 
 Jupiter MOID = 2.27827 au 
 T_jup = 3.345 
[ 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 15.5   n/a MPO253816  
diameter diameter 4.681 km 0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74329 (1998 UU45)          Discovered 1998-Oct-24 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ 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
1915-Apr-25 22:46 00:02 Juno 0.0288314350967138 0.0288297810030633 0.0288331002640948 7.29286421015557 7.29286415229515 2420613.448593732 2.20894449029732 1119.20810337182 49.8532408541852 86.6151408204792 86338.1412995758 T 17 CATAB v2.0f-lin.ifort 2020-Jun-23 23:49:31 2020-Jun-23 23:49
2013-Apr-03 09:11 < 00:01 Inter 0.0119450632709065 0.0119432922226357 0.011946834391033 5.97852801641731 5.97852781142575 2456385.882445334 0.649556890081309 101.756786321865 36.0885297172576 -32.1310668004224 30228.5712242486 T 17 CATAB v2.0f-lin.ifort 2020-Jun-23 23:49:31 2020-Jun-23 23:49
2184-Aug-11 19:49 < 00:01 Inter 0.0265855575967957 0.0265494062062224 0.0266217321974195 6.02312630918251 6.02312621776046 2518973.325899371 0.795819932983622 2187.0866248726 36.7287919154686 -34.4966279672989 61318.1377476023 T 17 CATAB v2.0f-lin.ifort 2020-Jun-23 23:49:31 2020-Jun-23 23:49
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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