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385634 (2005 QW65)
Classification: Main-belt Asteroid          SPK-ID: 2385634
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2092976503239729 6.103e-08  
a 3.15489551502761 4.3471e-08 au
q 2.494583296714691 2.0367e-07 au
i 23.70490970609009 7.8857e-06 deg
node 322.45108842 1.4662e-05 deg
peri 332.6924616746616 2.1758e-05 deg
M 319.1689261392586 1.9186e-05 deg
tp 2459628.647600546361
(2022-Feb-18.14760055)
0.00011194 TDB
period 2046.802307520119
5.60
4.2304e-05
1.158e-07
d
yr
n .1758841089231385 3.6352e-09 deg/d
Q 3.815207733340529 5.257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      6288 days (17.22 yr)  
   first obs. used      2003-01-30  
   last obs. used      2020-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53772  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:05  

Additional Information
 Earth MOID = 1.49796 au 
 Jupiter MOID = 1.57135 au 
 T_jup = 3.044 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457435.5 (2016-Feb-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2081333474752669 6.0994e-08  
q 2.499821134540944 2.0353e-07 au
tp 2457578.291136711682
(2016-Jul-08.79113671)
9.2922e-05 TDB
node 322.48173484528 1.4664e-05 deg
peri 332.4375013820741 2.1831e-05 deg
i 23.69529082247063 7.8827e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      6288 days (17.22 yr)  
   first obs. used      2003-01-30  
   last obs. used      2020-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53772  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:05  

Additional Information
 Jupiter MOID = 1.57135 au 
 T_jup = 3.044 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.72030424601882E-15 -1.224569063559753E-14 1.073972830512261E-12 -1.251737171485846E-14 2.54875256261256E-13 -2.669565261197955E-15
q -1.224569063559753E-14 4.142401519019784E-14 -2.488812058022984E-12 5.738497821445132E-14 -7.043503124025114E-13 1.933265034238553E-14
tp 1.073972830512261E-12 -2.488812058022984E-12 8.634574432461961E-9 -1.440475029680636E-11 1.534242016662191E-9 -1.068126153605468E-11
node -1.251737171485846E-14 5.738497821445132E-14 -1.440475029680636E-11 2.150409478459707E-10 -1.990316647076065E-10 1.689467632747408E-11
peri 2.54875256261256E-13 -7.043503124025114E-13 1.534242016662191E-9 -1.990316647076065E-10 4.765976495794521E-10 -1.745757297457298E-11
i -2.669565261197955E-15 1.933265034238553E-14 -1.068126153605468E-11 1.689467632747408E-11 -1.745757297457298E-11 6.213634292884833E-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 15.30   n/a E2021B25  

385634 (2005 QW65)          Discovered 2005-Jul-12 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-02-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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