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86845 (2000 GP172)
Classification: Main-belt Asteroid          SPK-ID: 2086845
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 .1887656383310254 3.8443e-08  
a 2.288524144677122 1.2812e-08 au
q 1.856529423671181 8.6447e-08 au
i 5.247384161916383 4.8557e-06 deg
node 284.2562263420697 5.3634e-05 deg
peri 318.2785831699002 5.5475e-05 deg
M 252.9612681565581 1.6167e-05 deg
tp 2459376.484662614646
(2021-Jun-10.98466261)
5.8315e-05 TDB
period 1264.537389505382
3.46
1.0619e-05
2.907e-08
d
yr
n .2846890910365349 2.3907e-09 deg/d
Q 2.720518865683062 1.523e-08 au
  Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      7259 days (19.87 yr)  
   first obs. used      2000-03-09  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58541  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:56:01  

Additional Information
 Earth MOID = .847316 au 
 Jupiter MOID = 2.31934 au 
 T_jup = 3.571 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457022.5 (2014-Dec-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1888211642682565 3.8383e-08  
q 1.856315691894641 8.6309e-08 au
tp 2456848.007728097088
(2014-Jul-09.50772810)
5.1097e-05 TDB
node 284.3067796615121 5.3652e-05 deg
peri 318.2975264535557 5.5497e-05 deg
i 5.246396701497253 4.8554e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      7259 days (19.87 yr)  
   first obs. used      2000-03-09  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58541  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:56:01  

Additional Information
 Jupiter MOID = 2.31934 au 
 T_jup = 3.571 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.473226658729801E-15 -3.289798588667237E-15 -1.522358117906261E-13 -1.150920789339256E-14 -4.458997766594946E-14 -1.847833977816643E-15
q -3.289798588667237E-15 7.449304757202276E-15 4.319119136098379E-13 2.552370344515699E-14 1.258826975649343E-13 4.219696650073494E-15
tp -1.522358117906261E-13 4.319119136098379E-13 2.610862966837274E-9 3.506899880826963E-11 7.472450706662364E-10 1.58799481103512E-12
node -1.150920789339256E-14 2.552370344515699E-14 3.506899880826963E-11 2.878578420374451E-9 -2.855752915592954E-9 4.459665809433669E-11
peri -4.458997766594946E-14 1.258826975649343E-13 7.472450706662364E-10 -2.855752915592954E-9 3.079943916732159E-9 -4.398714374393822E-11
i -1.847833977816643E-15 4.219696650073494E-15 1.58799481103512E-12 4.459665809433669E-11 -4.398714374393822E-11 2.357530716096077E-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 16.3   n/a MPO453300  

86845 (2000 GP172)          Discovered 2000-Apr-02 by LONEOS at Anderson Mesa
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2000 GP172 = 2001 TG84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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