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212229 (2005 JV21)
Classification: Main-belt Asteroid          SPK-ID: 2212229
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06088944902086758 5.9612e-08  
a 2.596125509556608 1.908e-08 au
q 2.438048857690687 1.6193e-07 au
i 13.36103697157062 5.8804e-06 deg
node 186.8739749993441 1.7801e-05 deg
peri 347.7241099563777 4.0864e-05 deg
M 263.6340867698931 3.7873e-05 deg
tp 2459409.485484387811
(2021-Jul-13.98548439)
0.00016178 TDB
period 1527.87193567126
4.18
1.6844e-05
4.612e-08
d
yr
n .2356218421158686 2.5976e-09 deg/d
Q 2.754202161422529 2.0242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      497  
   data-arc span      7780 days (21.30 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 00:55:37  

Additional Information
 Earth MOID = 1.44257 au 
 Jupiter MOID = 2.20717 au 
 T_jup = 3.376 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457150.5 (2015-May-08.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06032627695087252 6.0034e-08  
q 2.4395480341414 1.6297e-07 au
tp 2457885.993649475787
(2017-May-12.49364948)
0.00015881 TDB
node 186.8986859636074 1.7785e-05 deg
peri 348.6911868074081 4.0817e-05 deg
i 13.36634020317358 5.8827e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      497  
   data-arc span      7780 days (21.30 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 00:55:37  

Additional Information
 Jupiter MOID = 2.20717 au 
 T_jup = 3.376 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.604036318445134E-15 -9.731154507098516E-15 1.071450907164491E-12 -2.857914309776295E-14 4.286363982093324E-13 3.85004916967628E-15
q -9.731154507098516E-15 2.655795752330408E-14 -2.361881695014119E-12 7.511353406893962E-14 -1.063768192003452E-12 -9.126563664756508E-15
tp 1.071450907164491E-12 -2.361881695014119E-12 2.522122248961251E-8 -5.085078065548842E-11 5.823927870976937E-9 1.470717482258265E-12
node -2.857914309776295E-14 7.511353406893962E-14 -5.085078065548842E-11 3.162895592645159E-10 -3.19824308640422E-10 2.244079717946196E-11
peri 4.286363982093324E-13 -1.063768192003452E-12 5.823927870976937E-9 -3.19824308640422E-10 1.666054235238639E-9 -2.135115962325307E-11
i 3.85004916967628E-15 -9.126563664756508E-15 1.470717482258265E-12 2.244079717946196E-11 -2.135115962325307E-11 3.460586908731624E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO413064  

212229 (2005 JV21)          Discovered 2005-May-06 by CSS at Catalina
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2005 JV21 = 2002 RE177 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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