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JPL Small-Body Database Browser
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215241 (2001 DW64)
Classification: Main-belt Asteroid          SPK-ID: 2215241
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05143602743519107 4.5473e-08  
a 2.38392018776156 1.8591e-08 au
q 2.26130080358055 1.1119e-07 au
i 5.648338994532311 5.0926e-06 deg
node 168.6723901820958 4.7947e-05 deg
peri 48.97086756425472 6.6736e-05 deg
M 277.1480624000685 4.6405e-05 deg
tp 2458909.911294366025
(2020-Mar-01.41129437)
0.00017381 TDB
period 1344.42318669275
3.68
1.5726e-05
4.306e-08
d
yr
n .2677728289450227 3.1323e-09 deg/d
Q 2.506539571942569 1.9547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      7048 days (19.30 yr)  
   first obs. used      1999-10-11  
   last obs. used      2019-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57478  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:31:07  

Additional Information
 Earth MOID = 1.25931 au 
 Jupiter MOID = 2.45937 au 
 T_jup = 3.528 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456675.5 (2014-Jan-18.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05220253353006719 4.5308e-08  
q 2.259348312628758 1.1089e-07 au
tp 2456221.848878027120
(2012-Oct-21.34887803)
0.00016988 TDB
node 168.6938733273798 4.7968e-05 deg
peri 49.20914798506979 6.6392e-05 deg
i 5.646605324479177 5.0919e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      7048 days (19.30 yr)  
   first obs. used      1999-10-11  
   last obs. used      2019-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57478  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:31:07  

Additional Information
 Jupiter MOID = 2.45937 au 
 T_jup = 3.528 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.052860148612265E-15 -4.961148765095441E-15 -7.357906232817197E-13 -9.122431664979706E-16 -2.105374052124709E-13 1.621186870450534E-15
q -4.961148765095441E-15 1.229604492762251E-14 1.657840904838272E-12 2.296876403912688E-15 4.993225814467101E-13 -3.228896988962672E-15
tp -7.357906232817197E-13 1.657840904838272E-12 2.885817685884412E-8 -7.87926076127164E-11 7.815408480332091E-9 -7.954675770331928E-12
node -9.122431664979706E-16 2.296876403912688E-15 -7.87926076127164E-11 2.300906376693974E-9 -2.310282554572449E-9 2.788441056261826E-11
peri -2.105374052124709E-13 4.993225814467101E-13 7.815408480332091E-9 -2.310282554572449E-9 4.407935805691582E-9 -2.983267059598214E-11
i 1.621186870450534E-15 -3.228896988962672E-15 -7.954675770331928E-12 2.788441056261826E-11 -2.983267059598214E-11 2.592704847438662E-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 16.8   n/a MPO422839  

215241 (2001 DW64)          Discovered 2001-Feb-19 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2001 DW64 = 2005 GL65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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