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546273 (2010 UY81)
Classification: Jupiter Trojan          SPK-ID: 2546273
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1964008660125586 7.315e-08  
a 5.174714796178413 2.9534e-07 au
q 4.158396328840972 4.9991e-07 au
i 5.577532165121672 6.8175e-06 deg
node 231.5894855816426 0.00010848 deg
peri 230.587091670243 0.00011451 deg
M 271.1895793498102 4.9254e-05 deg
tp 2460261.192459013296
(2023-Nov-12.69245901)
0.00066837 TDB
period 4299.600006949975
11.77
0.00036809
1.008e-06
d
yr
n .08372871881525897 7.168e-09 deg/d
Q 6.191033263515854 3.5334e-07 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      8032 days (21.99 yr)  
   first obs. used      1998-10-15  
   last obs. used      2020-10-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62386  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:38:54  

Additional Information
 Earth MOID = 3.17871 au 
 Jupiter MOID = .212218 au 
 T_jup = 2.952 
[ 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 14.0   n/a MPO495688  

546273 (2010 UY81)          Discovered 2010-Oct-16 by Ferrando, R., Ferrando, M. at Pla D'Arguines
Reference: Last Updated: 2020-10-21

Alternate Designations
 2010 UY81 = 2010 UX 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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