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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457434.5 (2016-Feb-16.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .009060562096353609 6.4192e-08  
q 2.677739319999758 1.6749e-07 au
tp 2458222.152068865697
(2018-Apr-13.65206887)
0.0021109 TDB
node 291.8125561631871 0.0004705 deg
peri 264.5052722907461 0.00066074 deg
i .8549422992099881 6.1682e-06 deg
  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
 Jupiter MOID = 2.2277 au 
 T_jup = 3.367 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.120605650056568E-15 -1.064571021543829E-14 3.716836327865207E-11 1.909797845846275E-15 8.126021310183144E-12 1.111656877284748E-15
q -1.064571021543829E-14 2.805152426051069E-14 -7.267085655198982E-11 5.511548861117471E-15 -1.590802995178366E-11 -2.733456621068969E-15
tp 3.716836327865207E-11 -7.267085655198982E-11 4.455945866113006E-6 4.662619545405172E-10 9.793110245844145E-7 1.416654085236543E-11
node 1.909797845846275E-15 5.511548861117471E-15 4.662619545405172E-10 2.21366293213352E-7 -2.21239172948041E-7 -2.179569025210191E-10
peri 8.126021310183144E-12 -1.590802995178366E-11 9.793110245844145E-7 -2.21239172948041E-7 4.365726885424895E-7 2.210120174514233E-10
i 1.111656877284748E-15 -2.733456621068969E-15 1.416654085236543E-11 -2.179569025210191E-10 2.210120174514233E-10 3.804721295275707E-11

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2124-Jul-09 10:52 00:04 Juno 0.0449125315405372 0.0448661462689063 0.0449589169879702 6.17785613471203 6.17785609086495 2497024.952597167 4.10923558008207 2316.20802385853 79.6577821793058 3.44031590760246 5827.56321757719 T 11 CATAB v2.0f-lin.ifort 2021-Feb-24 12:41:07 2021-Feb-24 12:41

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