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JPL Small-Body Database Browser
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58883 (1998 HH137)
Classification: Main-belt Asteroid          SPK-ID: 2058883
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1550788551450894 6.7865e-08  
a 2.809696798093767 1.9323e-08 au
q 2.373972235340562 1.8494e-07 au
i 8.568909338837376 7.2006e-06 deg
node 42.64981531254385 3.1673e-05 deg
peri 187.5184314600763 3.5437e-05 deg
M 143.5317190067908 1.5836e-05 deg
tp 2457914.643913363076
(2017-Jun-10.14391336)
7.5262e-05 TDB
period 1720.234334945928
4.71
1.7746e-05
4.859e-08
d
yr
n .2092738138558988 2.1588e-09 deg/d
Q 3.245421360846972 2.232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      7909 days (21.65 yr)  
   first obs. used      1998-03-25  
   last obs. used      2019-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61097  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:04:46  

Additional Information
 Earth MOID = 1.36416 au 
 Jupiter MOID = 1.74488 au 
 T_jup = 3.288 
[ 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 15.2   n/a MPO417232  

58883 (1998 HH137)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HH137 = 2000 UW16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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