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441627 (2008 VD18)
Classification: Main-belt Asteroid          SPK-ID: 2441627
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2063518312171156 5.6926e-08  
a 2.35533684448134 1.6733e-08 au
q 1.869308773489473 1.3709e-07 au
i 6.090596585632273 5.6785e-06 deg
node 61.24600536292193 6.5296e-05 deg
peri 332.8807073464147 6.8084e-05 deg
M 77.66391031296618 1.8414e-05 deg
tp 2458715.664105170848
(2019-Aug-20.16410517)
6.6151e-05 TDB
period 1320.31624116376
3.61
1.407e-05
3.852e-08
d
yr
n .2726619492938199 2.9056e-09 deg/d
Q 2.841364915473207 2.0186e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      4081 days (11.17 yr)  
   first obs. used      2008-11-01  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64078  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 11:44:51  

Additional Information
 Earth MOID = .878593 au 
 Jupiter MOID = 2.58998 au 
 T_jup = 3.518 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457205.5 (2015-Jul-02.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .206279181976129 5.7293e-08  
q 1.869596103439757 1.3805e-07 au
tp 2457392.705910468641
(2016-Jan-05.20591047)
6.1161e-05 TDB
node 61.28950300482187 6.5391e-05 deg
peri 332.3031452991934 6.8165e-05 deg
i 6.087400660801138 5.676e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      4081 days (11.17 yr)  
   first obs. used      2008-11-01  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64078  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 11:44:51  

Additional Information
 Jupiter MOID = 2.58998 au 
 T_jup = 3.518 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.282451908422707E-15 -7.873881795668881E-15 -1.384155464244434E-12 1.3062761491873E-14 -4.293226706213423E-13 -1.265531255667952E-14
q -7.873881795668881E-15 1.90586680683473E-14 3.478489523401966E-12 -3.351653356495313E-14 1.065298788645637E-12 3.097640290748388E-14
tp -1.384155464244434E-12 3.478489523401966E-12 3.740671244523361E-9 5.198426631581611E-12 1.219482752764466E-9 1.058041212717904E-11
node 1.3062761491873E-14 -3.351653356495313E-14 5.198426631581611E-12 4.276011739708881E-9 -4.249675807445701E-9 -1.027096283023622E-10
peri -4.293226706213423E-13 1.065298788645637E-12 1.219482752764466E-9 -4.249675807445701E-9 4.646443832430492E-9 1.055442273021884E-10
i -1.265531255667952E-14 3.097640290748388E-14 1.058041212717904E-11 -1.027096283023622E-10 1.055442273021884E-10 3.221752230826145E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO495188  

441627 (2008 VD18)          Discovered 2008-Nov-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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