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212244 (2005 JU57)
Classification: Main-belt Asteroid          SPK-ID: 2212244
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01065749716280201 6.1417e-08  
a 2.701467016722968 2.4821e-08 au
q 2.67267613965684 1.6211e-07 au
i .856904408749551 6.1758e-06 deg
node 291.6157059559262 0.00046894 deg
peri 257.5488979936846 0.00062162 deg
M 224.2282483780147 0.00041428 deg
tp 2459812.152635294330
(2022-Aug-20.65263529)
0.0018711 TDB
period 1621.80237107807
4.44
2.2352e-05
6.12e-08
d
yr
n .2219752581571915 3.0593e-09 deg/d
Q 2.730257893789096 2.5086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      9467 days (25.92 yr)  
   first obs. used      1995-01-07  
   last obs. used      2020-12-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59017  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:41:06  

Additional Information
 Earth MOID = 1.66812 au 
 Jupiter MOID = 2.2277 au 
 T_jup = 3.367 
[ 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 17.0   n/a MPO450007  

212244 (2005 JU57)          Discovered 2005-May-07 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2005 JU57 = 2004 BQ128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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