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JPL Small-Body Database Browser
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85125 (1978 VU8)
Classification: Main-belt Asteroid          SPK-ID: 2085125
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2028771462452038 1.6706e-07  
a 2.529550833586692 1.1152e-08 au
q 2.016362779186448 4.285e-07 au
i 2.450769209563838 6.9396e-06 deg
node 82.25144980263067 0.00017918 deg
peri 352.5232528895117 0.00018631 deg
M 15.03602881940833 5.0555e-05 deg
tp 2458539.124620201786
(2019-Feb-24.62462020)
0.00020608 TDB
period 1469.47954095678
4.02
9.7175e-06
2.661e-08
d
yr
n .2449846969394371 1.6201e-09 deg/d
Q 3.042738887986936 1.3414e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1089  
   data-arc span      14685 days (40.21 yr)  
   first obs. used      1978-11-05  
   last obs. used      2019-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53227  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:16:11  

Additional Information
 Earth MOID = 1.03131 au 
 Jupiter MOID = 2.23141 au 
 T_jup = 3.421 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456570.5 (2013-Oct-05.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2016530997634678 1.6575e-07  
q 2.020162764262735 4.2415e-07 au
tp 2457070.312760304735
(2015-Feb-16.81276030)
0.00020164 TDB
node 82.29724451256781 0.00017904 deg
peri 352.6478970009688 0.00018627 deg
i 2.450729730961511 6.9355e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1089  
   data-arc span      14685 days (40.21 yr)  
   first obs. used      1978-11-05  
   last obs. used      2019-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53227  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:16:11  

Additional Information
 Jupiter MOID = 2.23141 au 
 T_jup = 3.421 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.747155471438163E-14 -7.029260413571584E-14 -3.270674010933847E-11 -7.675520677538704E-13 -8.390403215615205E-12 -6.596693890154756E-15
q -7.029260413571584E-14 1.799051444948796E-13 8.374236051329299E-11 1.96565560516878E-12 2.147776819374863E-11 1.6873944784178E-14
tp -3.270674010933847E-11 8.374236051329299E-11 4.065979202660617E-8 9.313916486484199E-10 1.049722871907078E-8 8.032126955285533E-12
node -7.675520677538704E-13 1.96565560516878E-12 9.313916486484199E-10 3.205463701765297E-8 -3.176428747417515E-8 -1.071402067592358E-9
peri -8.390403215615205E-12 2.147776819374863E-11 1.049722871907078E-8 -3.176428747417515E-8 3.469528873622482E-8 1.072689950889128E-9
i -6.596693890154756E-15 1.6873944784178E-14 8.032126955285533E-12 -1.071402067592358E-9 1.072689950889128E-9 4.81015626056871E-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 15.6   n/a MPO453281  

85125 (1978 VU8)          Discovered 1978-Nov-07 by Helin, E. F., Bus, S. J. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1978 VU8 = 1998 XS1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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