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JPL Small-Body Database Browser
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249957 (2001 UG11)
Classification: Mars-crossing Asteroid          SPK-ID: 2249957
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .394225101672212 4.5481e-08  
a 2.625279081979407 3.2046e-08 au
q 1.590328168968144 1.3268e-07 au
i 28.21809889176466 8.413e-06 deg
node 170.9133070545728 1.0091e-05 deg
peri 286.2088964191283 2.1296e-05 deg
M 336.3113615913363 2.6065e-05 deg
tp 2458702.734915437096
(2019-Aug-07.23491544)
0.00011418 TDB
period 1553.680246302962
4.25
2.8448e-05
7.789e-08
d
yr
n .2317079082756139 4.2425e-09 deg/d
Q 3.66022999499067 4.4679e-08 au
  Orbit Determination Parameters
   # obs. used (total)      374  
   data-arc span      6251 days (17.11 yr)  
   first obs. used      2001-09-25  
   last obs. used      2018-11-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .576  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:59:59  

Additional Information
 Earth MOID = .790221 au 
 Jupiter MOID = 2.17828 au 
 T_jup = 3.132 
[ 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 15.5   n/a MPO454854  

249957 (2001 UG11)          Discovered 2001-Oct-18 by NEAT at Palomar
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

Alternate Designations
 2001 UG11 = 2003 EL53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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