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308531 (2005 UZ121)
Classification: Main-belt Asteroid          SPK-ID: 2308531
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1024631621309987 7.034e-08  
a 3.148739573650948 4.2323e-08 au
q 2.826109760207659 2.4619e-07 au
i 14.87241144491093 1.0485e-05 deg
node 222.9252571239518 1.8465e-05 deg
peri 113.8394233199766 5.1306e-05 deg
M 274.0553087566872 4.7984e-05 deg
tp 2459487.714377287587
(2021-Sep-30.21437729)
0.00027273 TDB
period 2040.814543471625
5.59
4.1146e-05
1.127e-07
d
yr
n .1764001541206213 3.5565e-09 deg/d
Q 3.471369387094236 4.6659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      7545 days (20.66 yr)  
   first obs. used      1999-10-20  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60777  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:24:31  

Additional Information
 Earth MOID = 1.85896 au 
 Jupiter MOID = 1.96174 au 
 T_jup = 3.148 
[ 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 15.1   n/a MPO471236  

308531 (2005 UZ121)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2005 UZ121 = 2010 LP55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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