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129965 (1999 UZ4)
Classification: Main-belt Asteroid          SPK-ID: 2129965
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1457095172190081 5.4019e-08  
a 2.54326584186117 1.3197e-08 au
q 2.172687803883985 1.3974e-07 au
i 15.29947415634119 1.0308e-05 deg
node 43.93038435885106 1.6157e-05 deg
peri 279.0185656946092 4.6875e-05 deg
M 92.02065802037984 3.9843e-05 deg
tp 2458621.823025885166
(2019-May-18.32302589)
0.00016463 TDB
period 1481.446814378883
4.06
1.1531e-05
3.157e-08
d
yr
n .2430056864045672 1.8915e-09 deg/d
Q 2.913843879838355 1.512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      8830 days (24.18 yr)  
   first obs. used      1995-11-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62429  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:06:35  

Additional Information
 Earth MOID = 1.224 au 
 Jupiter MOID = 2.4987 au 
 T_jup = 3.380 
[ 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 16.3   n/a MPO432778  

129965 (1999 UZ4)          Discovered 1999-Oct-29 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1999 UZ4 = 2003 UX180 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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