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305835 (2009 DE137)
Classification: Main-belt Asteroid          SPK-ID: 2305835
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1088621842497369 5.3704e-08  
a 2.371463874725932 1.6219e-08 au
q 2.113301137453923 1.2148e-07 au
i 5.263256674199217 5.2525e-06 deg
node 294.0579395703539 5.6696e-05 deg
peri 185.1762929837621 6.2722e-05 deg
M 118.1960973480722 2.5653e-05 deg
tp 2458762.550703460132
(2019-Oct-06.05070346)		 9.4084e-05 TDB
period 1333.899767350685
3.65		 1.3684e-05
3.746e-08		 d
yr
n .2698853458195073 2.7687e-09 deg/d
Q 2.629626611997942 1.7985e-08 au
   Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      8631 days (23.63 yr)  
   first obs. used      1996-10-05  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54954  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:10:33  

Additional Information
 Earth MOID = 1.12935 au 
 Jupiter MOID = 2.44125 au 
 T_jup = 3.531 
[ 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 16.96   n/a E2021B25  

305835 (2009 DE137)          Discovered 2009-Feb-19 by CSS at Catalina
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ 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
2069-Nov-14 03:18 00:04 Thisb 0.0365578464276191 0.0365350072532946 0.0365806861306937 4.26811813498587 4.26811809128826 2477064.637704116 3.5050797160364 1159.2396581334 89.7194615426888 -10.942667059084 12456.5926035694 T 18 CATAB v2.0f-lin.ifort 2020-Nov-11 19:10:34 2020-Nov-11 19:10
2175-Nov-10 15:44 00:07 Thisb 0.00330844483716124 0.0032618008025342 0.00335574560869414 4.59421627435449 4.59421582577496 2515776.155898173 6.67332945259937 3299.65050953988 85.9810959562009 -44.8136615488091 4055.44410443554 T 18 CATAB v2.0f-lin.ifort 2020-Nov-11 19:10:34 2020-Nov-11 19:10

Alternate Designations
 2009 DE137 = 2004 XK67 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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