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120414 (4880 P-L)
Classification: Mars-crossing Asteroid          SPK-ID: 2120414
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3220129227707048 4.9573e-08  
a 2.409793413985022 8.1049e-09 au
q 1.63380879347411 1.1749e-07 au
i 11.01649852529671 7.2922e-06 deg
node 10.06558153432184 2.0442e-05 deg
peri 286.2561959941801 2.3229e-05 deg
M 75.80196275046579 1.0888e-05 deg
tp 2458912.795869637819
(2020-Mar-04.29586964)		 4.0554e-05 TDB
period 1366.369460265046
3.74		 6.8933e-06
1.887e-08		 d
yr
n .2634719308862243 1.3292e-09 deg/d
Q 3.185778034495934 1.0715e-08 au
   Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      22022 days (60.29 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62104  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:24:58  

Additional Information
 Earth MOID = .659493 au 
 Jupiter MOID = 2.18351 au 
 T_jup = 3.424 
[ 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 16.54   n/a E2021B55  

120414 (4880 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 4880 P-L = 2001 PJ48 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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