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227851 (2007 DG39)
Classification: Main-belt Asteroid          SPK-ID: 2227851
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08942716499722436 6.2326e-08  
a 2.54327731660804 2.153e-08 au
q 2.315839236382035 1.5865e-07 au
i 4.533134851916185 5.919e-06 deg
node 35.0836346135001 8.5274e-05 deg
peri 283.2730573632193 9.1002e-05 deg
M 10.4625971227972 3.4946e-05 deg
tp 2459157.444760899858
(2020-Nov-03.94476090)
0.00014366 TDB
period 1481.456840412787
4.06
1.8812e-05
5.15e-08
d
yr
n .2430040418185191 3.0858e-09 deg/d
Q 2.770715396834046 2.3456e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      6301 days (17.25 yr)  
   first obs. used      2003-03-23  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .74698  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:24  

Additional Information
 Earth MOID = 1.306 au 
 Jupiter MOID = 2.45727 au 
 T_jup = 3.434 
[ 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 16.43   n/a E2021B55  

227851 (2007 DG39)          Discovered 2007-Feb-17 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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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
1929-Jun-09 10:39 00:04 David 0.0246616920903126 0.0246422710861556 0.0246811353223771 5.59490010171135 5.59489999222302 2425771.944062822 3.4978338482046 1518.25890894654 58.656733413902 50.4117729567621 48471.7489527875 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 00:41:25 2021-Apr-14 00:41

Alternate Designations
 2007 DG39 = 2003 FX33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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