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JPL Small-Body Database Browser
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442420 (2011 UR120)
Classification: Main-belt Asteroid          SPK-ID: 2442420
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1084152803685263 5.3551e-08  
a 2.802704579793501 3.3445e-08 au
q 2.498848576985036 1.5004e-07 au
i 11.18381891127765 5.4841e-06 deg
node 219.9711631792179 2.6109e-05 deg
peri 13.12079727751832 3.8645e-05 deg
M 9.293892136054239 2.487e-05 deg
tp 2458556.255474825657
(2019-Mar-13.75547483)
0.00011855 TDB
period 1713.816862686967
4.69
3.0677e-05
8.399e-08
d
yr
n .2100574500332448 3.76e-09 deg/d
Q 3.106560582601966 3.7071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      6522 days (17.86 yr)  
   first obs. used      2001-10-15  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5141  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:09  

Additional Information
 Earth MOID = 1.48978 au 
 Jupiter MOID = 1.88481 au 
 T_jup = 3.288 
[ 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 16.0   n/a MPO437720  

442420 (2011 UR120)          Discovered 2011-Sep-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

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