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190276 (4548 P-L)
Classification: Mars-crossing Asteroid          SPK-ID: 2190276
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 .3402459358089703 5.4994e-08  
a 2.172425220582697 1.1534e-08 au
q 1.433266368430529 1.2189e-07 au
i 7.518054847727098 8.3769e-06 deg
node 4.068979190751648 4.0068e-05 deg
peri 301.0190023870619 4.2277e-05 deg
M 318.2609452862687 1.8367e-05 deg
tp 2459336.098782243464
(2021-May-01.59878224)
6.0498e-05 TDB
period 1169.541618574026
3.20
9.3143e-06
2.55e-08
d
yr
n .3078129023223076 2.4514e-09 deg/d
Q 2.911584072734865 1.5459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      21731 days (59.50 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60559  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:03:41  

Additional Information
 Earth MOID = .437275 au 
 Jupiter MOID = 2.40062 au 
 T_jup = 3.600 
[ 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 17.01   n/a E2021B55  

190276 (4548 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20080819/Numbers.arcLast Updated: 2008-08-25

[ show close-approach data ]
Alternate Designations
 4548 P-L = 2004 FW 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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