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78226 (2002 ON11)
Classification: Main-belt Asteroid          SPK-ID: 2078226
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1699481128171315 3.3934e-08  
a 2.253063976258019 7.9251e-09 au
q 1.870160005436706 7.6298e-08 au
i 4.307397150786214 4.2008e-06 deg
node 41.23951769796187 5.4722e-05 deg
peri 201.8898434719537 5.6531e-05 deg
M 263.4986501516391 1.6186e-05 deg
tp 2459727.623192038694
(2022-May-28.12319204)
5.6302e-05 TDB
period 1235.260950455551
3.38
6.5175e-06
1.784e-08
d
yr
n .2914363963883387 1.5377e-09 deg/d
Q 2.635967947079331 9.272e-09 au
  Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      10968 days (30.03 yr)  
   first obs. used      1991-02-05  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55663  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:35:44  

Additional Information
 Earth MOID = .858469 au 
 Jupiter MOID = 2.37791 au 
 T_jup = 3.603 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456903.5 (2014-Sep-03.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1701774420214007 3.399e-08  
q 1.86999400536333 7.647e-08 au
tp 2457257.382219434754
(2015-Aug-22.88221943)
5.1692e-05 TDB
node 41.28959735317391 5.4695e-05 deg
peri 201.7694261489778 5.6493e-05 deg
i 4.308636226026991 4.2012e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      10968 days (30.03 yr)  
   first obs. used      1991-02-05  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55663  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:35:44  

Additional Information
 Jupiter MOID = 2.37791 au 
 T_jup = 3.603 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.155348520678926E-15 -2.589563223639998E-15 -4.975328528702945E-13 -4.909897378650071E-15 -1.203187742632543E-13 2.094943232444642E-17
q -2.589563223639998E-15 5.847639721957995E-15 1.205904333389955E-12 1.21142575786755E-14 2.896490938145323E-13 -8.149418708430163E-17
tp -4.975328528702945E-13 1.205904333389955E-12 2.67209451467021E-9 3.151799519239331E-12 7.455491996073368E-10 7.670072183846184E-13
node -4.909897378650071E-15 1.21142575786755E-14 3.151799519239331E-12 2.991537318383889E-9 -2.982009312273937E-9 -5.929020783613308E-11
peri -1.203187742632543E-13 2.896490938145323E-13 7.455491996073368E-10 -2.982009312273937E-9 3.191513976638069E-9 5.936137361890669E-11
i 2.094943232444642E-17 -8.149418708430163E-17 7.670072183846184E-13 -5.929020783613308E-11 5.936137361890669E-11 1.764979818360648E-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 15.98   n/a MPCxxxxx  

78226 (2002 ON11)          Discovered 2002-Jul-16 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 ON11 = 1998 FX83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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