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JPL Small-Body Database Browser
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442389 (2011 UH27)
Classification: Main-belt Asteroid          SPK-ID: 2442389
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08306654995550745 8.3034e-08  
a 2.691099261395264 5.123e-08 au
q 2.467558930163345 2.4319e-07 au
i 5.471308861246559 7.7317e-06 deg
node 63.41774169620719 8.2953e-05 deg
peri 327.1393489835144 9.5156e-05 deg
M 259.7767081562638 4.9333e-05 deg
tp 2459049.409880944955
(2020-Jul-18.90988094)
0.00022678 TDB
period 1612.475046141521
4.41
4.6044e-05
1.261e-07
d
yr
n .2232592689489622 6.3752e-09 deg/d
Q 2.914639592627184 5.5485e-08 au
  Orbit Determination Parameters
   # obs. used (total)      72  
   data-arc span      5165 days (14.14 yr)  
   first obs. used      2005-05-08  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71729  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:06  

Additional Information
 Earth MOID = 1.47479 au 
 Jupiter MOID = 2.45862 au 
 T_jup = 3.360 
[ 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 17.2   n/a MPO446754  

442389 (2011 UH27)          Discovered 2011-Oct-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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