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JPL Small-Body Database Browser
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344047 (4331 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2344047
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2019945112913631 5.9975e-08  
a 2.1924553203121 1.0611e-08 au
q 1.749591379357508 1.3504e-07 au
i 1.81853669642007 7.0139e-06 deg
node 334.1815400052618 0.00015804 deg
peri 27.77020658874707 0.00015981 deg
M 17.61998788040983 2.0442e-05 deg
tp 2458542.463975011619
(2019-Feb-27.96397501)
6.7204e-05 TDB
period 1185.753880060625
3.25
8.6081e-06
2.357e-08
d
yr
n .3036043196262568 2.204e-09 deg/d
Q 2.635319261266691 1.2754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      20579 days (56.34 yr)  
   first obs. used      1960-09-24  
   last obs. used      2017-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57525  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 08:31:44  

Additional Information
 Earth MOID = .746125 au 
 Jupiter MOID = 2.81733 au 
 T_jup = 3.644 
[ 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 18.2   n/a MPO245808  

344047 (4331 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20121029/Numbers.arcLast Updated: 2012-11-08

[ show close-approach data ]
Alternate Designations
 4331 P-L = 1999 TB135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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