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21905 (1999 VX14)
Classification: Main-belt Asteroid          SPK-ID: 2021905
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08929500229161667 3.3317e-08  
a 2.31362584366243 6.599e-09 au
q 2.10703061865065 7.5545e-08 au
i 1.957364579772572 2.4837e-06 deg
node 279.6883432523349 0.00010985 deg
peri 246.4719367118159 0.00011095 deg
M 261.3982917474417 1.6014e-05 deg
tp 2459748.562732480015
(2022-Jun-18.06273248)
5.7593e-05 TDB
period 1285.399471661962
3.52
5.4994e-06
1.506e-08
d
yr
n .2800685762960029 1.1982e-09 deg/d
Q 2.52022106867421 7.1883e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1519  
   data-arc span      9858 days (26.99 yr)  
   first obs. used      1994-01-16  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52527  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 15:03:28  

Additional Information
 Earth MOID = 1.11565 au 
 Jupiter MOID = 2.45321 au 
 T_jup = 3.577 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457143.5 (2015-May-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08869130307033915 3.3225e-08  
q 2.109426948571761 7.5311e-08 au
tp 2457175.775057601106
(2015-Jun-02.27505760)
5.6126e-05 TDB
node 279.7489844295007 0.00010983 deg
peri 246.1523348626794 0.00011096 deg
i 1.957121623854788 2.4835e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1519  
   data-arc span      9858 days (26.99 yr)  
   first obs. used      1994-01-16  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52527  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 15:03:28  

Additional Information
 Jupiter MOID = 2.45321 au 
 T_jup = 3.577 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.103872535370715E-15 -2.494758145384581E-15 5.632657520967186E-13 -1.654022855948304E-14 1.804637921328231E-13 8.322558260958886E-17
q -2.494758145384581E-15 5.671694717444674E-15 -1.26808871269197E-12 3.780156993208466E-14 -4.074767088878777E-13 -1.631273448158142E-16
tp 5.632657520967186E-13 -1.26808871269197E-12 3.150181315981619E-9 -2.265895239413463E-11 9.030170386884622E-10 -1.849855363467396E-13
node -1.654022855948304E-14 3.780156993208466E-14 -2.265895239413463E-11 1.20632227985529E-8 -1.206242599182851E-8 8.483485543985688E-12
peri 1.804637921328231E-13 -4.074767088878777E-13 9.030170386884622E-10 -1.206242599182851E-8 1.231219952600948E-8 -8.526009660906807E-12
i 8.322558260958886E-17 -1.631273448158142E-16 -1.849855363467396E-13 8.483485543985688E-12 -8.526009660906807E-12 6.16793004116336E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.81   n/a E2021B10  

21905 (1999 VX14)          Discovered 1999-Nov-02 by Spacewatch at Kitt Peak
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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