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413004 (1999 VY121)
Classification: Main-belt Asteroid          SPK-ID: 2413004
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2329304248372105 6.3928e-08  
a 2.408427450786983 1.9313e-08 au
q 1.847431421485571 1.5271e-07 au
i 2.229606580952904 1.0715e-05 deg
node 190.5824738569908 0.0003424 deg
peri 160.6561550344636 0.00034649 deg
M 218.4694074978508 5.4739e-05 deg
tp 2459537.218547743428
(2021-Nov-18.71854774)
0.00021172 TDB
period 1365.207859104382
3.74
1.6421e-05
4.496e-08
d
yr
n .263696108690856 3.1719e-09 deg/d
Q 2.969423480088395 2.3812e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      7998 days (21.90 yr)  
   first obs. used      1995-09-18  
   last obs. used      2017-08-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54186  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:38:11  

Additional Information
 Earth MOID = .841951 au 
 Jupiter MOID = 2.46927 au 
 T_jup = 3.483 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456893.5 (2014-Aug-24.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2323332489949198 6.2771e-08  
q 1.849216538220096 1.5004e-07 au
tp 2456802.869699079021
(2014-May-25.36969908)
0.00019171 TDB
node 190.6874256816226 0.00034377 deg
peri 160.0152768210909 0.00034783 deg
i 2.222135197277793 1.0684e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      7998 days (21.90 yr)  
   first obs. used      1995-09-18  
   last obs. used      2017-08-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54186  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:38:11  

Additional Information
 Jupiter MOID = 2.46927 au 
 T_jup = 3.483 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.940144068736898E-15 -9.366177708782162E-15 4.065753652394115E-12 2.337428242971839E-13 8.338289612850407E-13 1.114941067324159E-15
q -9.366177708782162E-15 2.251052004031273E-14 -7.909753495884395E-12 -4.965454659787821E-13 -1.475122922871199E-12 -2.634310402351548E-15
tp 4.065753652394115E-12 -7.909753495884395E-12 3.675242223323826E-8 1.315427714244909E-9 1.043587682781198E-8 -4.713336481446423E-12
node 2.337428242971839E-13 -4.965454659787821E-13 1.315427714244909E-9 1.181753287809512E-7 -1.17677464885785E-7 2.815309759334515E-9
peri 8.338289612850407E-13 -1.475122922871199E-12 1.043587682781198E-8 -1.17677464885785E-7 1.209827436438297E-7 -2.815032192640461E-9
i 1.114941067324159E-15 -2.634310402351548E-15 -4.713336481446423E-12 2.815309759334515E-9 -2.815032192640461E-9 1.141463996830799E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.1   n/a MPO419031  

413004 (1999 VY121)          Discovered 1999-Nov-04 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-11-10

Alternate Designations
 1999 VY121 = 2010 RX109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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