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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 
[ 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 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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