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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 
[ show covariance matrix ]

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2116-Apr-07 23:00 00:19 Thisb 0.0295279477653586 0.0295223928167597 0.0295335040521933 2.26251724643089 2.26251714437229 2494010.458537550 18.8612102116551 422.613244074917 57.3456828776877 49.7758834071808 59096.6438333508 T 21 CATAB v2.0f-lin.ifort 2020-Feb-23 20:56:16 2020-Feb-23 20:56
2129-Dec-07 01:11 00:28 Thisb 0.0401048356031895 0.0401034682280421 0.0401062031018667 2.12167758046217 2.12167750033153 2499001.549414631 27.9785012847928 143.30730105609 32.506336575966 -64.6032121840286 167364.224831602 T 21 CATAB v2.0f-lin.ifort 2020-Feb-23 20:56:16 2020-Feb-23 20:56
2143-Jul-09 09:12 00:19 Thisb 0.0091146905721815 0.0090970797434339 0.00913230180604741 2.28721020471125 2.28720987765174 2503963.883553447 18.6121801485091 882.089454314576 51.7686779700743 6.29130917967429 3262.3567065292 T 21 CATAB v2.0f-lin.ifort 2020-Feb-23 20:56:16 2020-Feb-23 20:56

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