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212220 (2005 HV3)
Classification: Main-belt Asteroid          SPK-ID: 2212220
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .104572102064661 4.1452e-08  
a 2.637279738411613 2.0051e-08 au
q 2.361493852433371 1.0759e-07 au
i 14.16975613156652 6.3469e-06 deg
node 51.88276475042512 1.8816e-05 deg
peri 237.2606501759529 3.7896e-05 deg
M 164.7708717644462 3.351e-05 deg
tp 2458484.503889874661
(2019-Jan-01.00388987)
0.0001456 TDB
period 1564.345669139929
4.28
1.7841e-05
4.885e-08
d
yr
n .2301281661091736 2.6245e-09 deg/d
Q 2.913065624389855 2.2148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      7177 days (19.65 yr)  
   first obs. used      2001-05-24  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57602  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:41:02  

Additional Information
 Earth MOID = 1.37505 au 
 Jupiter MOID = 2.23347 au 
 T_jup = 3.346 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457761.5 (2017-Jan-08.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1058296785790978 4.1249e-08  
q 2.356916547500312 1.0716e-07 au
tp 2458485.276804964259
(2019-Jan-01.77680496)
0.00014428 TDB
node 51.8966416423331 1.8817e-05 deg
peri 237.4939757663192 3.7686e-05 deg
i 14.17302153553046 6.3494e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      7177 days (19.65 yr)  
   first obs. used      2001-05-24  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57602  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:41:02  

Additional Information
 Jupiter MOID = 2.23347 au 
 T_jup = 3.346 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.70149662788277E-15 -4.359797976998576E-15 1.528547961755382E-13 -8.170080844408183E-15 -3.103414389786802E-14 5.105207594480768E-15
q -4.359797976998576E-15 1.148264886015685E-14 -4.849163668158446E-13 2.152823420089904E-14 2.235025860565609E-14 -1.223724738037484E-14
tp 1.528547961755382E-13 -4.849163668158446E-13 2.081615045202393E-8 -4.189822492733028E-11 4.715392272466799E-9 -3.418218617713739E-12
node -8.170080844408183E-15 2.152823420089904E-14 -4.189822492733028E-11 3.540819780299615E-10 -3.520681629615736E-10 -3.274461664705504E-11
peri -3.103414389786802E-14 2.235025860565609E-14 4.715392272466799E-9 -3.520681629615736E-10 1.420262794095274E-9 3.066549632391507E-11
i 5.105207594480768E-15 -1.223724738037484E-14 -3.418218617713739E-12 -3.274461664705504E-11 3.066549632391507E-11 4.031456610458338E-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 15.8   n/a MPO450006  
diameter diameter 2.077 km 0.748 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.236   0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212220 (2005 HV3)          Discovered 2005-Apr-28 by Lowe, A. at Mayhill
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2005 HV3 = 2001 KS72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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