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JPL Small-Body Database Browser
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117119 (2004 PE21)
Classification: Main-belt Asteroid          SPK-ID: 2117119
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 .1109494424462393 4.5993e-08  
a 2.769570083113014 1.838e-08 au
q 2.462287826575841 1.2664e-07 au
i .7763793244421739 5.0597e-06 deg
node 331.7717903168555 0.00031218 deg
peri 358.7291964580575 0.00031277 deg
M 74.20017103966964 2.0502e-05 deg
tp 2458253.508072450511
(2018-May-15.00807245)
9.5283e-05 TDB
period 1683.514905255831
4.61
1.6758e-05
4.588e-08
d
yr
n .213838320573285 2.1286e-09 deg/d
Q 3.076852339650188 2.0419e-08 au
  Orbit Determination Parameters
   # obs. used (total)      485  
   data-arc span      8809 days (24.12 yr)  
   first obs. used      1995-10-25  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59316  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:47:41  

Additional Information
 Earth MOID = 1.45046 au 
 Jupiter MOID = 2.23358 au 
 T_jup = 3.329 
[ 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 15.8   n/a MPO453641  

117119 (2004 PE21)          Discovered 2004-Aug-07 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1927-Sep-28 10:07 < 00:01 Inter 0.0151815491511125 0.0151789212814904 0.0151842008844808 5.1264454450098 5.12644525691089 2425151.921600524 0.827882023714336 991.264320404286 34.2371133495345 -82.6329123392435 65749.0799893125 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 09:47:44 2019-Dec-14 09:47

Alternate Designations
 2004 PE21 = 1995 UG81 = 2002 CW266 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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