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JPL Small-Body Database Browser
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49164 (1998 ST56)
Classification: Main-belt Asteroid          SPK-ID: 2049164
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806057585274913 3.2378e-08  
a 2.431218456521492 8.6131e-09 au
q 1.992126403035392 7.7748e-08 au
i 2.673305317409245 4.2888e-06 deg
node 14.90726667497501 7.3298e-05 deg
peri 279.2602884117704 7.4229e-05 deg
M 202.2466178613473 1.2728e-05 deg
tp 2459207.251112306358
(2020-Dec-23.75111231)
5.017e-05 TDB
period 1384.63212305842
3.79
7.358e-06
2.015e-08
d
yr
n .2599968569303596 1.3816e-09 deg/d
Q 2.870310510007593 1.0169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1809  
   data-arc span      7574 days (20.74 yr)  
   first obs. used      1998-08-26  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51613  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:49:24  

Additional Information
 Earth MOID = .977568 au 
 Jupiter MOID = 2.32646 au 
 T_jup = 3.483 
[ 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 14.2   n/a MPO385131  

49164 (1998 ST56)          Discovered 1998-Sep-17 by LONEOS at Anderson Mesa
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 ST56 = 1999 XV101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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