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JPL Small-Body Database Browser
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344085 (1998 UA45)
Classification: Main-belt Asteroid          SPK-ID: 2344085
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1718699977662028 4.4874e-08  
a 2.271755885515928 1.1724e-08 au
q 1.881309206546947 1.0545e-07 au
i 5.152239586483658 6.5945e-06 deg
node 8.483506180169995 5.4587e-05 deg
peri 288.0227751905059 6.1989e-05 deg
M 53.40749721831563 2.308e-05 deg
tp 2458414.958678520054
(2018-Oct-23.45867852)
8.0365e-05 TDB
period 1250.664779511027
3.42
9.6817e-06
2.651e-08
d
yr
n .2878469162142308 2.2283e-09 deg/d
Q 2.662202564484909 1.3739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      7748 days (21.21 yr)  
   first obs. used      1998-09-19  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57966  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 20:07:44  

Additional Information
 Earth MOID = .872758 au 
 Jupiter MOID = 2.55174 au 
 T_jup = 3.587 
[ 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 17.6   n/a MPO455506  

344085 (1998 UA45)          Discovered 1998-Oct-22 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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