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(2011 UC169)
Classification: Mars-crossing Asteroid          SPK-ID: 3583971
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .509861802710424 4.0724e-07  
a 2.743009475301886 4.8482e-08 au
q 1.344453719372692 1.1365e-06 au
i 15.50897949262324 3.7258e-05 deg
node 136.0455757080736 2.8674e-05 deg
peri 248.5138390995284 0.00013904 deg
M 10.09847040316715 3.4898e-05 deg
tp 2459153.952915406202
(2020-Oct-31.45291541)
0.00016066 TDB
period 1659.355306771213
4.54
4.3993e-05
1.204e-07
d
yr
n .2169517272949161 5.7518e-09 deg/d
Q 4.14156523123108 7.3201e-08 au
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      3343 days (9.15 yr)  
   first obs. used      2011-10-26  
   last obs. used      2020-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50648  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 05:35:20  

Additional Information
 Earth MOID = .4378 au 
 Jupiter MOID = 1.69204 au 
 T_jup = 3.101 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.9   .47653 E2020Y94 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 2011 UC169 = 2020 OD4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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