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JPL Small-Body Database Browser
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193121 (2000 HG7)
Classification: Main-belt Asteroid          SPK-ID: 2193121
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05517645367808362 5.9245e-08  
a 3.12208176004326 4.2461e-08 au
q 2.949816360431043 1.8487e-07 au
i 17.27609306817521 6.8802e-06 deg
node 202.5905724657214 2.068e-05 deg
peri 309.3587359176138 6.071e-05 deg
M 209.088147183056 5.7429e-05 deg
tp 2459445.167307531354
(2021-Aug-18.66730753)
0.00032441 TDB
period 2014.952603359371
5.52
4.1105e-05
1.125e-07
d
yr
n .1786642521515397 3.6448e-09 deg/d
Q 3.294347159655477 4.4803e-08 au
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      6785 days (18.58 yr)  
   first obs. used      2000-04-06  
   last obs. used      2018-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59446  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:44:29  

Additional Information
 Earth MOID = 1.98145 au 
 Jupiter MOID = 1.73005 au 
 T_jup = 3.144 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO449954  
diameter diameter 5.900 km 0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193121 (2000 HG7)          Discovered 2000-Apr-28 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 2000 HG7 = 2005 EA118 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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