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JPL Small-Body Database Browser
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434177 (2002 UP21)
Classification: Mars-crossing Asteroid          SPK-ID: 2434177
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2533626353127097 5.6776e-08  
a 2.227864033629837 1.7537e-08 au
q 1.663406530950978 1.3536e-07 au
i 3.684028842148672 6.1659e-06 deg
node 67.81777507149985 7.5437e-05 deg
peri 266.9217365181375 7.8016e-05 deg
M 24.08660289323748 1.6794e-05 deg
tp 2458519.234819882054
(2019-Feb-04.73481988)
5.6147e-05 TDB
period 1214.594892112176
3.33
1.4342e-05
3.927e-08
d
yr
n .2963951209888273 3.4998e-09 deg/d
Q 2.792321536308695 2.1981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      5701 days (15.61 yr)  
   first obs. used      2002-10-09  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .648  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:29:32  

Additional Information
 Earth MOID = .657874 au 
 Jupiter MOID = 2.59169 au 
 T_jup = 3.599 
[ 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 17.1   n/a MPO450437  

434177 (2002 UP21)          Discovered 2002-Oct-30 by NEAT at Palomar
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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