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150311 (1999 UN19)
Classification: Main-belt Asteroid          SPK-ID: 2150311
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08705124356992772 6.0761e-08  
a 2.175878699395405 9.5701e-09 au
q 1.986465752755718 1.3331e-07 au
i 4.386280247154361 5.9566e-06 deg
node 43.40192070415086 5.4042e-05 deg
peri 326.2433786862708 5.7304e-05 deg
M 230.6474651032993 1.9277e-05 deg
tp 2459621.733488827622
(2022-Feb-11.23348883)
6.3549e-05 TDB
period 1172.331536440666
3.21
7.7343e-06
2.118e-08
d
yr
n .3070803683171414 2.0259e-09 deg/d
Q 2.365291646035092 1.0403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      487  
   data-arc span      10660 days (29.19 yr)  
   first obs. used      1991-02-08  
   last obs. used      2020-04-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:18:01  

Additional Information
 Earth MOID = .9863 au 
 Jupiter MOID = 2.96629 au 
 T_jup = 3.676 
[ 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 17.04   n/a E2021B55  

150311 (1999 UN19)          Discovered 1999-Oct-30 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

Alternate Designations
 1999 UN19 = 2002 RF214 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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