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JPL Small-Body Database Browser
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215274 (2001 PH38)
Classification: Main-belt Asteroid          SPK-ID: 2215274
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2658757910706478 4.9188e-08  
a 2.615583525904729 1.2513e-08 au
q 1.920163186843455 1.2887e-07 au
i 13.02446892520442 4.709e-06 deg
node 87.62448245431865 2.325e-05 deg
peri 257.3084683323149 2.4784e-05 deg
M 56.88360845244505 8.4866e-06 deg
tp 2458356.361678456786
(2018-Aug-25.86167846)
3.618e-05 TDB
period 1545.081230721034
4.23
1.1087e-05
3.035e-08
d
yr
n .2329974585426819 1.6719e-09 deg/d
Q 3.311003864966004 1.5839e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1070  
   data-arc span      9429 days (25.82 yr)  
   first obs. used      1993-12-14  
   last obs. used      2019-10-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43954  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:57:53  

Additional Information
 Earth MOID = .960506 au 
 Jupiter MOID = 2.24577 au 
 T_jup = 3.321 
[ 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 15.5   n/a MPO454546  

215274 (2001 PH38)          Discovered 2001-Aug-11 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2014-Aug-08 20:00 < 00:01 Hebe 0.0364205962879773 0.0364174464319542 0.0364237468593595 5.50053828504934 5.50053825401766 2456878.333328849 0.64613253226635 306.538769545418 40.3077382656065 -60.0367115422554 117399.66924272 T 19 CATAB v2.0f-lin.ifort 2019-Nov-07 23:58:06 2019-Nov-07 23:58
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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