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78517 (2002 RW92)
Classification: Main-belt Asteroid          SPK-ID: 2078517
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08655140392059897 4.9658e-08  
a 2.845585775842459 2.0318e-08 au
q 2.599296331966807 1.5099e-07 au
i 2.049843687734001 5.552e-06 deg
node 18.72217535722002 0.00012181 deg
peri 340.5479437495918 0.0001259 deg
M 252.6820149623084 3.4168e-05 deg
tp 2459523.168055885778
(2021-Nov-04.66805589)
0.00016843 TDB
period 1753.298853428859
4.80
1.8778e-05
5.141e-08
d
yr
n .2053272317471502 2.1991e-09 deg/d
Q 3.09187521971811 2.2076e-08 au
  Orbit Determination Parameters
   # obs. used (total)      739  
   data-arc span      9238 days (25.29 yr)  
   first obs. used      1995-03-10  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56257  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:34  

Additional Information
 Earth MOID = 1.59571 au 
 Jupiter MOID = 2.31293 au 
 T_jup = 3.301 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457142.5 (2015-Apr-30.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08620294248422605 4.9834e-08  
q 2.599767708447936 1.5132e-07 au
tp 2457774.509364943870
(2017-Jan-21.00936494)
0.00016251 TDB
node 18.74718420702336 0.00012177 deg
peri 341.4816711131958 0.00012586 deg
i 2.050420244615511 5.5531e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      739  
   data-arc span      9238 days (25.29 yr)  
   first obs. used      1995-03-10  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56257  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:34  

Additional Information
 Jupiter MOID = 2.31293 au 
 T_jup = 3.301 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.483442016808375E-15 -7.495964722008896E-15 1.420645489073079E-12 3.16578159612048E-15 3.411083149474977E-13 3.918362918380387E-16
q -7.495964722008896E-15 2.289815399974059E-14 -3.215141248719345E-12 -9.534022166008212E-15 -8.427345928549574E-13 -8.797389131171028E-16
tp 1.420645489073079E-12 -3.215141248719345E-12 2.640983736830578E-8 -2.696425980353519E-11 5.184166994791463E-9 8.569000256678984E-13
node 3.16578159612048E-15 -9.534022166008212E-15 -2.696425980353519E-11 1.48276806001401E-8 -1.482287225735971E-8 1.902071632276879E-10
peri 3.411083149474977E-13 -8.427345928549574E-13 5.184166994791463E-9 -1.482287225735971E-8 1.584017112002463E-8 -1.899172215116571E-10
i 3.918362918380387E-16 -8.797389131171028E-16 8.569000256678984E-13 1.902071632276879E-10 -1.899172215116571E-10 3.083641953569472E-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 15.0   n/a MPO337847  

78517 (2002 RW92)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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