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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2022115466422983 5.2805e-08  
a 2.192469704294233 1.0096e-08 au
q 1.749127014422514 1.1837e-07 au
i 1.81876199954035 6.8939e-06 deg
node 334.1733203810483 0.00015316 deg
peri 27.76841928115487 0.00015458 deg
M 139.0464730837417 1.9683e-05 deg
tp 2458542.509673594922
(2019-Feb-28.00967359)
6.334e-05 TDB
period 1185.765549094726
3.25
8.1906e-06
2.242e-08
d
yr
n .3036013318778256 2.0971e-09 deg/d
Q 2.635812394165952 1.2138e-08 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      21680 days (59.36 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57971  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 22:59:54  

Additional Information
 Earth MOID = .746536 au 
 Jupiter MOID = 2.82043 au 
 T_jup = 3.644 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456847.5 (2014-Jul-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .203018488909036 5.2989e-08  
q 1.746851962887933 1.1884e-07 au
tp 2457355.842021739949
(2015-Nov-29.34202174)
5.9207e-05 TDB
node 334.3094331524497 0.00015289 deg
peri 27.47846804505419 0.0001543 deg
i 1.821591376496417 6.8975e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      21680 days (59.36 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57971  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 22:59:54  

Additional Information
 Jupiter MOID = 2.82043 au 
 T_jup = 3.644 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.807826141792303E-15 -6.283978255641941E-15 -9.162801679650087E-13 1.990956742538071E-14 -2.650676180972369E-13 -5.979596377735567E-15
q -6.283978255641941E-15 1.412279403250895E-14 2.180506242050369E-12 -4.325891814406176E-14 6.299656219415568E-13 1.348215928550115E-14
tp -9.162801679650087E-13 2.180506242050369E-12 3.50551557700531E-9 6.698857719995346E-11 1.244821637729834E-9 2.070591310564409E-12
node 1.990956742538071E-14 -4.325891814406176E-14 6.698857719995346E-11 2.337565907950445E-8 -2.333560397394953E-8 -2.067212398010814E-10
peri -2.650676180972369E-13 6.299656219415568E-13 1.244821637729834E-9 -2.333560397394953E-8 2.380869167711636E-8 2.071535291834554E-10
i -5.979596377735567E-15 1.348215928550115E-14 2.070591310564409E-12 -2.067212398010814E-10 2.071535291834554E-10 4.75759930632605E-11

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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