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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 
[ show covariance matrix ]

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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