Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0549443548750372 5.3089e-08  
a 3.123348599441834 3.6008e-08 au
q 2.951738225595652 1.7467e-07 au
i 17.27212805983434 6.8305e-06 deg
node 202.5880206170201 1.5969e-05 deg
peri 308.9919082877462 5.7651e-05 deg
M 280.8974872910719 5.7066e-05 deg
tp 2459443.513431540027
(2021-Aug-17.01343154)
0.00032208 TDB
period 2016.17913126556
5.52
3.4866e-05
9.546e-08
d
yr
n .1785555630535801 3.0878e-09 deg/d
Q 3.294958973288017 3.7986e-08 au
  Orbit Determination Parameters
   # obs. used (total)      361  
   data-arc span      7162 days (19.61 yr)  
   first obs. used      2000-04-06  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56592  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 13:56:49  

Additional Information
 Earth MOID = 1.98329 au 
 Jupiter MOID = 1.72892 au 
 T_jup = 3.143 
[ 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-03 21:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin