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175248 (2005 JF26)
Classification: Main-belt Asteroid          SPK-ID: 2175248
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1778715255064865 5.3634e-08  
a 2.284181163891353 1.4186e-08 au
q 1.877890375736816 1.2962e-07 au
i 5.054844141143837 4.6754e-06 deg
node 162.6112686037831 4.6063e-05 deg
peri 18.22715672527021 4.7946e-05 deg
M 223.5943182313628 1.776e-05 deg
tp 2459678.275862844300
(2022-Apr-08.77586284)
6.574e-05 TDB
period 1260.939488691405
3.45
1.1747e-05
3.216e-08
d
yr
n .2855014084566467 2.6598e-09 deg/d
Q 2.69047195204589 1.671e-08 au
  Orbit Determination Parameters
   # obs. used (total)      438  
   data-arc span      8271 days (22.64 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-12-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5993  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:04:37  

Additional Information
 Earth MOID = .881501 au 
 Jupiter MOID = 2.26702 au 
 T_jup = 3.577 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457375.5 (2015-Dec-19.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .17724633030679 5.3724e-08  
q 1.879667853438894 1.2979e-07 au
tp 2457155.419649631104
(2015-May-12.91964963)
4.8975e-05 TDB
node 162.6609929075125 4.6081e-05 deg
peri 18.17451458329691 4.797e-05 deg
i 5.053120570796303 4.6742e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      438  
   data-arc span      8271 days (22.64 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-12-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5993  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:04:37  

Additional Information
 Jupiter MOID = 2.26702 au 
 T_jup = 3.577 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.886276889548769E-15 -6.953743550243652E-15 -1.12640104623243E-12 -4.034566476591514E-14 -1.987737526044309E-13 -3.505174576228494E-15
q -6.953743550243652E-15 1.684415524209242E-14 2.914786969795833E-12 9.706450723427304E-14 5.364104760586422E-13 8.846832565579533E-15
tp -1.12640104623243E-12 2.914786969795833E-12 2.398574496585256E-9 1.982818312377049E-11 6.590984790854396E-10 2.20940085124229E-12
node -4.034566476591514E-14 9.706450723427304E-14 1.982818312377049E-11 2.123458415962706E-9 -2.109811737233527E-9 3.519010622819319E-12
peri -1.987737526044309E-13 5.364104760586422E-13 6.590984790854396E-10 -2.109811737233527E-9 2.301098528287458E-9 -2.973108857206487E-12
i -3.505174576228494E-15 8.846832565579533E-15 2.20940085124229E-12 3.519010622819319E-12 -2.973108857206487E-12 2.184783284911564E-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 17.00   n/a MPCxxxxx  

175248 (2005 JF26)          Discovered 2005-May-03 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2005 JF26 = 1998 HL144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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