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344888 (2004 PY99)
Classification: Main-belt Asteroid          SPK-ID: 2344888
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1169279324357408 6.9366e-08  
a 2.434324822379988 1.5081e-08 au
q 2.149684254022094 1.7491e-07 au
i 7.266503439205929 5.5501e-06 deg
node 34.93157617433522 4.7502e-05 deg
peri 315.107782534478 5.2093e-05 deg
M 62.14484023349461 1.9445e-05 deg
tp 2458761.020251577531
(2019-Oct-04.52025158)
7.4947e-05 TDB
period 1387.286685558528
3.80
1.2892e-05
3.53e-08
d
yr
n .2594993549260962 2.4115e-09 deg/d
Q 2.718965390737882 1.6845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      301  
   data-arc span      6475 days (17.73 yr)  
   first obs. used      2002-02-08  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62574  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 10:25:17  

Additional Information
 Earth MOID = 1.15157 au 
 Jupiter MOID = 2.70661 au 
 T_jup = 3.485 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457348.5 (2015-Nov-22.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1183603679188829 6.954e-08  
q 2.146083166568741 1.7565e-07 au
tp 2457373.315704543913
(2015-Dec-16.81570454)
7.4859e-05 TDB
node 34.9532203693175 4.7458e-05 deg
peri 315.0003782536223 5.1914e-05 deg
i 7.271648073060182 5.556e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      301  
   data-arc span      6475 days (17.73 yr)  
   first obs. used      2002-02-08  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62574  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 10:25:17  

Additional Information
 Jupiter MOID = 2.70661 au 
 T_jup = 3.485 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.8358034278621E-15 -1.218573181700198E-14 1.063824380843561E-13 9.311989781615912E-15 1.108560539579414E-13 -1.749011266291409E-14
q -1.218573181700198E-14 3.085257074879876E-14 -4.514066874348473E-13 -2.189389820108897E-14 -3.319673927199156E-13 4.419152120689673E-14
tp 1.063824380843561E-13 -4.514066874348473E-13 5.6038746275756E-9 -1.496230693018876E-11 1.612861041988567E-9 6.170536331463201E-12
node 9.311989781615912E-15 -2.189389820108897E-14 -1.496230693018876E-11 2.252234418144842E-9 -2.23786085685079E-9 -1.161208961644495E-10
peri 1.108560539579414E-13 -3.319673927199156E-13 1.612861041988567E-9 -2.23786085685079E-9 2.695072036332732E-9 1.166783667190581E-10
i -1.749011266291409E-14 4.419152120689673E-14 6.170536331463201E-12 -1.161208961644495E-10 1.166783667190581E-10 3.086946275839302E-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 16.4   n/a MPO450304  

344888 (2004 PY99)          Discovered 2004-Aug-11 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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