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227142 (2005 PL1)
Classification: Main-belt Asteroid          SPK-ID: 2227142
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2150197888504397 5.8174e-08  
a 2.404584188422643 8.1627e-09 au
q 1.887551003954901 1.4271e-07 au
i 2.189776111789923 6.0256e-06 deg
node 14.6952575982303 0.00010324 deg
peri 9.323784323762904 0.00010405 deg
M 1.106650527126092 1.1634e-05 deg
tp 2459196.313352447832
(2020-Dec-12.81335245)
4.4008e-05 TDB
period 1361.941355320842
3.73
6.935e-06
1.899e-08
d
yr
n .2643285620144725 1.346e-09 deg/d
Q 2.921617372890386 9.9179e-09 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      9592 days (26.26 yr)  
   first obs. used      1994-10-02  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53208  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:36  

Additional Information
 Earth MOID = .889929 au 
 Jupiter MOID = 2.53698 au 
 T_jup = 3.491 
[ 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 17.27   n/a E2021B55  

227142 (2005 PL1)          Discovered 2005-Aug-01 by Siding Spring Survey at Siding Spring
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 PL1 = 1994 TG4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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