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216900 (2009 HV84)
Classification: Main-belt Asteroid          SPK-ID: 2216900
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07040275316967044 4.7198e-08  
a 2.973603077630723 1.9771e-08 au
q 2.764253234131715 1.4596e-07 au
i 12.65827891599052 5.197e-06 deg
node 152.016958920909 1.8201e-05 deg
peri 142.1348537659466 4.3479e-05 deg
M 74.60273067678206 3.595e-05 deg
tp 2459008.371846018755
(2020-Jun-07.87184602)
0.00018783 TDB
period 1872.93593901562
5.13
1.8679e-05
5.114e-08
d
yr
n .1922115927730071 1.917e-09 deg/d
Q 3.182952921129732 2.1163e-08 au
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      7344 days (20.11 yr)  
   first obs. used      2000-09-26  
   last obs. used      2020-11-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59072  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:43  

Additional Information
 Earth MOID = 1.75974 au 
 Jupiter MOID = 2.08007 au 
 T_jup = 3.221 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457560.5 (2016-Jun-21.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07014986431649702 4.7707e-08  
q 2.766839447965549 1.4793e-07 au
tp 2457145.530753135712
(2015-May-03.03075314)
0.00019107 TDB
node 152.121636911374 1.824e-05 deg
peri 144.3967986996654 4.3092e-05 deg
i 12.64171182591345 5.1911e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      7344 days (20.11 yr)  
   first obs. used      2000-09-26  
   last obs. used      2020-11-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59072  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:43  

Additional Information
 Jupiter MOID = 2.08007 au 
 T_jup = 3.221 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.275919058497716E-15 -7.005494070985021E-15 3.298804635433723E-12 -9.22506669076124E-15 6.763670136501204E-13 -1.69650594283368E-15
q -7.005494070985021E-15 2.188258078534985E-14 -1.097245627671652E-11 2.768727007324767E-14 -2.23417921984305E-12 6.120840518829345E-15
tp 3.298804635433723E-12 -1.097245627671652E-11 3.650620173872003E-8 -3.855836167803966E-11 7.474038588489388E-9 8.549167977671434E-12
node -9.22506669076124E-15 2.768727007324767E-14 -3.855836167803966E-11 3.326846195222662E-10 -3.320906311751708E-10 -1.25011821612807E-11
peri 6.763670136501204E-13 -2.23417921984305E-12 7.474038588489388E-9 -3.320906311751708E-10 1.856949013595548E-9 1.407665143583332E-11
i -1.69650594283368E-15 6.120840518829345E-15 8.549167977671434E-12 -1.25011821612807E-11 1.407665143583332E-11 2.694746669145229E-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 15.74   n/a E2021B55  

216900 (2009 HV84)          Discovered 2009-Apr-27 by Spacewatch at Kitt Peak
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

Alternate Designations
 2009 HV84 = 2005 QX62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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