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JPL Small-Body Database Browser
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185780 (1999 UA34)
Classification: Main-belt Asteroid          SPK-ID: 2185780
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1219769087910838 9.0755e-08  
a 3.046341272203916 6.051e-08 au
q 2.674757980697785 2.9177e-07 au
i 9.857446082175699 1.8041e-05 deg
node 214.0408877095832 4.3528e-05 deg
peri 65.04986057612388 9.9001e-05 deg
M 54.63005424910156 9.8988e-05 deg
tp 2458705.789649137475
(2019-Aug-10.28964914)
0.00052979 TDB
period 1942.076166110594
5.32
5.7864e-05
1.584e-07
d
yr
n .1853686308920488 5.523e-09 deg/d
Q 3.417924563710048 6.7891e-08 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      6766 days (18.52 yr)  
   first obs. used      1999-10-06  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61573  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:36:38  

Additional Information
 Earth MOID = 1.67749 au 
 Jupiter MOID = 1.72956 au 
 T_jup = 3.205 
[ 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 MPO264443  

185780 (1999 UA34)          Discovered 1999-Oct-31 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 1999 UA34 = 2004 RM322 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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