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17300 (4321 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2017300
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2738953378053572 3.5629e-08  
a 2.374102644624196 9.6267e-09 au
q 1.723846998790259 8.6034e-08 au
i 7.899766260835785 4.9625e-06 deg
node 200.2032731615846 3.0379e-05 deg
peri 88.31964987368481 3.2058e-05 deg
M 214.8785520115254 1.2731e-05 deg
tp 2459739.112919968064
(2022-Jun-08.61291997)
4.9646e-05 TDB
period 1336.126767449995
3.66
8.1267e-06
2.225e-08
d
yr
n .26943551223591 1.6388e-09 deg/d
Q 3.024358290458132 1.2263e-08 au
  Orbit Determination Parameters
   # obs. used (total)      607  
   data-arc span      22091 days (60.48 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57812  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:32:13  

Additional Information
 Earth MOID = .728746 au 
 Jupiter MOID = 2.22174 au 
 T_jup = 3.479 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.27   n/a MPCxxxxx  

17300 (4321 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4321 P-L = 2000 LH20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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