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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1454154594227952 6.3467e-08  
a 2.396418668454471 2.1106e-08 au
q 2.047942346811801 1.5592e-07 au
i 5.652738537829312 4.6035e-06 deg
node 225.8720396643191 7.1211e-05 deg
peri 83.18713401430641 7.3223e-05 deg
M 236.1735246818769 1.6534e-05 deg
tp 2459666.572499636394
(2022-Mar-28.07249964)
6.2051e-05 TDB
period 1355.009899442277
3.71
1.7901e-05
4.901e-08
d
yr
n .2656807158000662 3.5099e-09 deg/d
Q 2.744894990097141 2.4175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      7947 days (21.76 yr)  
   first obs. used      1999-06-12  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59696  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:53:58  

Additional Information
 Earth MOID = 1.04085 au 
 Jupiter MOID = 2.5009 au 
 T_jup = 3.508 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457709.5 (2016-Nov-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1460894536292959 6.3462e-08  
q 2.046091612691042 1.5598e-07 au
tp 2458310.220765385581
(2018-Jul-10.72076539)
6.394e-05 TDB
node 225.9142836832443 7.1272e-05 deg
peri 82.95294804241982 7.3268e-05 deg
i 5.649992207151257 4.6031e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      7947 days (21.76 yr)  
   first obs. used      1999-06-12  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59696  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:53:58  

Additional Information
 Jupiter MOID = 2.5009 au 
 T_jup = 3.508 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.027450566104462E-15 -9.83485170855771E-15 1.323212149445059E-12 4.523292324903321E-14 3.296905492471328E-13 -1.179932909900738E-14
q -9.83485170855771E-15 2.432906725197532E-14 -3.459817191386766E-12 -1.12718876939905E-13 -9.017052569021053E-13 2.929435925366082E-14
tp 1.323212149445059E-12 -3.459817191386766E-12 4.088318680939256E-9 7.254112169449108E-11 1.141970403266065E-9 -6.017293454936639E-12
node 4.523292324903321E-14 -1.12718876939905E-13 7.254112169449108E-11 5.079725612094606E-9 -5.034163259900683E-9 -5.01137768984712E-11
peri 3.296905492471328E-13 -9.017052569021053E-13 1.141970403266065E-9 -5.034163259900683E-9 5.368143376676346E-9 4.816533357941229E-11
i -1.179932909900738E-14 2.929435925366082E-14 -6.017293454936639E-12 -5.01137768984712E-11 4.816533357941229E-11 2.118894096456138E-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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