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305142 (2007 VY171)
Classification: Main-belt Asteroid          SPK-ID: 2305142
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .145321798587644 6.7375e-08  
a 2.39672271994613 2.2049e-08 au
q 2.048426663567688 1.6335e-07 au
i 5.65252590698485 4.6248e-06 deg
node 225.8812157703929 7.5021e-05 deg
peri 83.12540799682773 7.7043e-05 deg
M 183.1056498697444 1.6672e-05 deg
tp 2459666.442262770552
(2022-Mar-27.94226277)
6.2171e-05 TDB
period 1355.267787924641
3.71
1.8702e-05
5.12e-08
d
yr
n .2656301604801497 3.6656e-09 deg/d
Q 2.745018776324572 2.5253e-08 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      7050 days (19.30 yr)  
   first obs. used      1999-06-12  
   last obs. used      2018-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61075  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:54:35  

Additional Information
 Earth MOID = 1.04327 au 
 Jupiter MOID = 2.50117 au 
 T_jup = 3.507 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457627.5 (2016-Aug-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1462080879401467 6.7399e-08  
q 2.045589420148672 1.6347e-07 au
tp 2456955.610582842602
(2014-Oct-25.11058284)
7.1675e-05 TDB
node 225.9200227066156 7.5091e-05 deg
peri 82.9592877103384 7.7085e-05 deg
i 5.649986170050457 4.6246e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      7050 days (19.30 yr)  
   first obs. used      1999-06-12  
   last obs. used      2018-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61075  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:54:35  

Additional Information
 Jupiter MOID = 2.50117 au 
 T_jup = 3.507 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.542681579959124E-15 -1.094564261834357E-14 1.216427554227023E-12 3.812963178485151E-14 2.48556672294208E-13 -1.32400666121221E-14
q -1.094564261834357E-14 2.672359213785401E-14 -3.594795871165058E-12 -9.40093991144549E-14 -7.309778549163691E-13 3.249621465503867E-14
tp 1.216427554227023E-12 -3.594795871165058E-12 5.137314155922822E-9 6.657683468267751E-11 1.311304690847986E-9 -6.498716430161701E-12
node 3.812963178485151E-14 -9.40093991144549E-14 6.657683468267751E-11 5.638663737206226E-9 -5.59326504364276E-9 -3.963082895479242E-11
peri 2.48556672294208E-13 -7.309778549163691E-13 1.311304690847986E-9 -5.59326504364276E-9 5.942060230498404E-9 3.790333879121629E-11
i -1.32400666121221E-14 3.249621465503867E-14 -6.498716430161701E-12 -3.963082895479242E-11 3.790333879121629E-11 2.138656539422708E-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 17.1   n/a MPO450227  

305142 (2007 VY171)          Discovered 2007-Nov-07 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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