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18168 (2000 PN28)
Classification: Main-belt Asteroid          SPK-ID: 2018168
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1438634549841929 3.5259e-08  
a 2.560509696392789 1.2602e-08 au
q 2.192145924949196 9.0714e-08 au
i 15.40088194163647 3.3021e-06 deg
node 227.4891512485571 1.4455e-05 deg
peri 253.1678880603841 2.0787e-05 deg
M 246.6738367276708 1.9135e-05 deg
tp 2459671.602868923757
(2022-Apr-02.10286892)
8.1657e-05 TDB
period 1496.539086080246
4.10
1.1048e-05
3.025e-08
d
yr
n .2405550268272087 1.7759e-09 deg/d
Q 2.928873467836383 1.4415e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1615  
   data-arc span      14148 days (38.74 yr)  
   first obs. used      1982-05-15  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46476  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:24:34  

Additional Information
 Earth MOID = 1.26262 au 
 Jupiter MOID = 2.38529 au 
 T_jup = 3.371 
[ 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 14.11   n/a E2021B10  

18168 (2000 PN28)          Discovered 2000-Aug-04 by JPL/NEAT at Haleakala
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

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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
2079-May-25 05:36 < 00:01 Hebe 0.0441763253886574 0.0441713594879769 0.0441812950963393 9.22018920078789 9.2201891855253 2480543.733119682 0.864809025575755 703.311338213267 46.3804834392502 69.7134715088326 133671.896131373 T 31 CATAB v2.0f-lin.ifort 2021-Apr-13 02:24:42 2021-Apr-13 02:24

Alternate Designations
 2000 PN28 = 1982 JN2 = 1998 FY106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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