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JPL Small-Body Database Browser
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20344 (1998 HF103)
Classification: Main-belt Asteroid          SPK-ID: 2020344
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1690109488263749 3.7404e-08  
a 2.392208000539597 7.814e-09 au
q 1.987898656578355 8.7699e-08 au
i 2.572072207606927 3.6343e-06 deg
node 44.48931227603439 7.7724e-05 deg
peri 112.7883240320259 7.8566e-05 deg
M 43.5328252207423 9.8741e-06 deg
tp 2458837.077749443115
(2019-Dec-19.57774944)
3.6983e-05 TDB
period 1351.440204079536
3.70
6.6216e-06
1.813e-08
d
yr
n .2663824850802004 1.3052e-09 deg/d
Q 2.79651734450084 9.1347e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1444  
   data-arc span      15570 days (42.63 yr)  
   first obs. used      1977-09-10  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50849  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:11:28  

Additional Information
 Earth MOID = .998891 au 
 Jupiter MOID = 2.18947 au 
 T_jup = 3.510 
[ 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 15.2   n/a MPO416924  

20344 (1998 HF103)          Discovered 1998-Apr-25 by Elst, E. W. at La Silla
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HF103 = 1977 RR10 = 1994 GC10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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