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30952 (1994 PX15)
Classification: Main-belt Asteroid          SPK-ID: 2030952
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1290005014991644 2.6499e-08  
a 2.207755168949574 6.8984e-09 au
q 1.922953644967707 5.8534e-08 au
i 2.215925233889098 3.5991e-06 deg
node 159.3569441491899 7.5835e-05 deg
peri 303.0480154093642 7.7781e-05 deg
M 254.904733333033 1.9586e-05 deg
tp 2459550.288436279815
(2021-Dec-01.78843628)
6.6276e-05 TDB
period 1198.187521230326
3.28
5.6158e-06
1.538e-08
d
yr
n .3004538051192053 1.4082e-09 deg/d
Q 2.492556692931442 7.7883e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1383  
   data-arc span      9612 days (26.32 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51896  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:42:50  

Additional Information
 Earth MOID = .940717 au 
 Jupiter MOID = 2.62616 au 
 T_jup = 3.648 
[ 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 15.7   n/a MPO474161  
rotation period rot_per 8.89 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

30952 (1994 PX15)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 PX15 = 1999 AF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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