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52427 (1994 PH)
Classification: Main-belt Asteroid          SPK-ID: 2052427
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1955230377950454 4.5272e-08  
a 2.347971861345901 1.058e-08 au
q 1.888889270358263 1.0823e-07 au
i 4.650449521942647 5.7429e-06 deg
node 352.4430803376975 5.0019e-05 deg
peri 335.7531950204083 5.136e-05 deg
M 54.85992425851263 1.3507e-05 deg
tp 2458800.241729260423
(2019-Nov-12.74172926)
4.8596e-05 TDB
period 1314.128271970065
3.60
8.8821e-06
2.432e-08
d
yr
n .2739458602928532 1.8516e-09 deg/d
Q 2.807054452333538 1.2648e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1006  
   data-arc span      9147 days (25.04 yr)  
   first obs. used      1994-08-02  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55388  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 08:18:37  

Additional Information
 Earth MOID = .878932 au 
 Jupiter MOID = 2.54276 au 
 T_jup = 3.529 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455982.5 (2012-Feb-25.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1944512231551451 4.5015e-08  
q 1.891924003033134 1.0752e-07 au
tp 2456171.129776682437
(2012-Aug-31.62977668)
4.3071e-05 TDB
node 352.6290667931501 5.0064e-05 deg
peri 335.5245137361836 5.1439e-05 deg
i 4.647886043870038 5.74e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1006  
   data-arc span      9147 days (25.04 yr)  
   first obs. used      1994-08-02  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55388  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 08:18:37  

Additional Information
 Jupiter MOID = 2.54276 au 
 T_jup = 3.529 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.026328166309858E-15 -4.825196102937529E-15 5.71635747148748E-13 -1.190196860830947E-15 1.541004292796802E-13 -1.056905911679399E-15
q -4.825196102937529E-15 1.156121964887853E-14 -1.278019369648707E-12 3.77774048456643E-15 -3.49765306581911E-13 2.623842304019006E-15
tp 5.71635747148748E-13 -1.278019369648707E-12 1.8551441477434E-9 4.073681822046826E-12 5.18288612958389E-10 -8.983547248045942E-13
node -1.190196860830947E-15 3.77774048456643E-15 4.073681822046826E-12 2.506382837315374E-9 -2.496848354104507E-9 4.79554429693426E-11
peri 1.541004292796802E-13 -3.49765306581911E-13 5.18288612958389E-10 -2.496848354104507E-9 2.646013776015351E-9 -4.808285632465003E-11
i -1.056905911679399E-15 2.623842304019006E-15 -8.983547248045942E-13 4.79554429693426E-11 -4.808285632465003E-11 3.294730367775901E-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 15.2   n/a MPO280041  

52427 (1994 PH)          Discovered 1994-Aug-02 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 PH = 1998 VT26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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