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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3221107458424093 8.518e-08  
a 2.409901076032773 8.5075e-09 au
q 1.633646043025432 2.0542e-07 au
i 11.01657797989261 1.1445e-05 deg
node 10.06634203553542 3.6837e-05 deg
peri 286.2488047672299 4.0352e-05 deg
M 23.10459895809734 1.5472e-05 deg
tp 2458912.801294260403
(2020-Mar-04.30129426)
5.8655e-05 TDB
period 1366.461028971479
3.74
7.2359e-06
1.981e-08
d
yr
n .2634542752170314 1.3951e-09 deg/d
Q 3.186156109040115 1.1248e-08 au
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      21383 days (58.54 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .654  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:34:52  

Additional Information
 Earth MOID = .661129 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 16.5   n/a MPO469248  

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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