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JPL Small-Body Database Browser
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48172 (2001 HY18)
Classification: Main-belt Asteroid          SPK-ID: 2048172
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1285066247150628 4.0238e-08  
a 2.934244944015333 2.0895e-08 au
q 2.557175030172684 1.1814e-07 au
i .3587666570817404 5.0597e-06 deg
node 335.85820711068 0.0007613 deg
peri 278.4899976879802 0.0007616 deg
M 183.5782795129018 2.1028e-05 deg
tp 2459500.189240128198
(2021-Oct-12.68924013)
0.00011012 TDB
period 1835.87443514268
5.03
1.961e-05
5.369e-08
d
yr
n .1960918421809287 2.0945e-09 deg/d
Q 3.311314857857981 2.358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      648  
   data-arc span      8291 days (22.70 yr)  
   first obs. used      1996-04-17  
   last obs. used      2018-12-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54848  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:45:22  

Additional Information
 Earth MOID = 1.54223 au 
 Jupiter MOID = 1.73226 au 
 T_jup = 3.263 
[ 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 15.4   n/a MPO426251  

48172 (2001 HY18)          Discovered 2001-Apr-24 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HY18 = 2000 BD43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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