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266697 (2009 PD20)
Classification: Main-belt Asteroid          SPK-ID: 2266697
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .150182104871677 4.2949e-08  
a 2.735977375949313 1.993e-08 au
q 2.325082534747958 1.1427e-07 au
i 4.638725116700409 4.8347e-06 deg
node 149.8886625645571 5.6848e-05 deg
peri 257.2206252747465 5.9343e-05 deg
M 90.0864061460185 1.6644e-05 deg
tp 2458586.858655926394
(2019-Apr-13.35865593)
7.5123e-05 TDB
period 1652.978404146044
4.53
1.8061e-05
4.945e-08
d
yr
n .2177886892514981 2.3797e-09 deg/d
Q 3.146872217150668 2.2923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      10349 days (28.33 yr)  
   first obs. used      1991-10-03  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57994  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:48:59  

Additional Information
 Earth MOID = 1.34006 au 
 Jupiter MOID = 2.24723 au 
 T_jup = 3.331 
[ 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 16.7   n/a MPO418415  

266697 (2009 PD20)          Discovered 2009-Aug-15 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ 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
1909-Sep-24 11:53 00:25 Psych 0.0309024103256674 0.030874857132016 0.0309299916692321 1.0636216943256 1.06362132621892 2418573.995178046 25.4768562740222 1998.24325474585 79.1940981298727 -46.9439366777706 42151.8547753403 T 16 CATAB v2.0f-lin.ifort 2020-Feb-25 12:49:10 2020-Feb-25 12:49
2135-Jul-09 06:17 00:28 Cybel 0.0480305991317165 0.048006549252297 0.0480546641743253 2.82113589316713 2.82113584827462 2501041.761515049 28.332099663057 1804.49319464479 105.117294598652 48.5043423814021 51215.6283034695 T 16 CATAB v2.0f-lin.ifort 2020-Feb-25 12:49:10 2020-Feb-25 12:49

Alternate Designations
 2009 PD20 = 2002 CF298 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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