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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 ]

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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1047016110845297 4.1648e-08  
a 2.636762242722653 2.0953e-08 au
q 2.360688987862733 1.0768e-07 au
i 14.17161438203874 6.8589e-06 deg
node 51.88629797282582 1.989e-05 deg
peri 237.16439819 4.1486e-05 deg
M 118.8395173372094 3.6183e-05 deg
tp 2458484.246199166197
(2018-Dec-31.74619917)
0.00015791 TDB
period 1563.885250163144
4.28
1.8642e-05
5.104e-08
d
yr
n .2301959174833607 2.7439e-09 deg/d
Q 2.912835497582572 2.3147e-08 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      7111 days (19.47 yr)  
   first obs. used      2001-05-24  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60897  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:25:20  

Additional Information
 Earth MOID = 1.37594 au 
 Jupiter MOID = 2.23449 au 
 T_jup = 3.346 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457668.5 (2016-Oct-07.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1058402840477415 4.1407e-08  
q 2.35685907788779 1.072e-07 au
tp 2456922.326873072974
(2014-Sep-21.82687307)
0.00016043 TDB
node 51.89685614297752 1.9894e-05 deg
peri 237.51754197585 4.1286e-05 deg
i 14.17305487153038 6.8611e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      7111 days (19.47 yr)  
   first obs. used      2001-05-24  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60897  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:25:20  

Additional Information
 Jupiter MOID = 2.23449 au 
 T_jup = 3.346 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.714579479724571E-15 -4.372720297061505E-15 -2.147770080213228E-13 -7.578301780099815E-15 -8.820459726898231E-14 5.068306984442705E-15
q -4.372720297061505E-15 1.149165395355437E-14 -2.135955529150956E-13 2.018092140674703E-14 8.446473330081965E-14 -1.185649198948149E-14
tp -2.147770080213228E-13 -2.135955529150956E-13 2.573848471960193E-8 -5.06637288705188E-11 5.818155530673699E-9 -5.263418624727983E-12
node -7.578301780099815E-15 2.018092140674703E-14 -5.06637288705188E-11 3.957592461281189E-10 -3.944703077653594E-10 -4.950797044910825E-11
peri -8.820459726898231E-14 8.446473330081965E-14 5.818155530673699E-9 -3.944703077653594E-10 1.704502514623457E-9 4.67534223151154E-11
i 5.068306984442705E-15 -1.185649198948149E-14 -5.263418624727983E-12 -4.950797044910825E-11 4.67534223151154E-11 4.70750068171048E-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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