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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456936.5 (2014-Oct-06.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08811527591651858 6.209e-08  
q 2.320343214248687 1.5758e-07 au
tp 2456195.957571113853
(2012-Sep-25.45757111)
0.0001416 TDB
node 35.1902931635192 8.5255e-05 deg
peri 283.5950571921154 9.1188e-05 deg
i 4.533215454570526 5.9172e-06 deg
  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
 Jupiter MOID = 2.45727 au 
 T_jup = 3.434 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.855167692509678E-15 -9.710077344294174E-15 -4.691080719959579E-13 4.98971633760153E-14 -1.109342467247605E-13 -2.150657495753593E-15
q -9.710077344294174E-15 2.483173260585424E-14 1.174548090780892E-12 -1.25856863610739E-13 3.189351139096245E-13 5.545135810220271E-15
tp -4.691080719959579E-13 1.174548090780892E-12 2.00500433675831E-8 1.068595933161989E-10 4.630626787213866E-9 3.137305170780082E-12
node 4.98971633760153E-14 -1.25856863610739E-13 1.068595933161989E-10 7.268447578257546E-9 -7.21954959378207E-9 -4.206838615686839E-11
peri -1.109342467247605E-13 3.189351139096245E-13 4.630626787213866E-9 -7.21954959378207E-9 8.315300670990268E-9 4.27315261101237E-11
i -2.150657495753593E-15 5.545135810220271E-15 3.137305170780082E-12 -4.206838615686839E-11 4.27315261101237E-11 3.501348940300773E-11

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

[ 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
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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