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JPL Small-Body Database Browser
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100827 (1998 HU2)
Classification: Main-belt Asteroid          SPK-ID: 2100827
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2432828631202642 4.5395e-08  
a 2.608136816576512 1.5679e-08 au
q 1.973621824430407 1.1649e-07 au
i 5.013683297175376 5.0238e-06 deg
node 109.9247079003816 6.7398e-05 deg
peri 249.1079890506381 6.8821e-05 deg
M 341.166259028465 1.865e-05 deg
tp 2459080.987432473491
(2020-Aug-19.48743247)
8.0239e-05 TDB
period 1538.487533318508
4.21
1.3873e-05
3.798e-08
d
yr
n .2339960462490601 2.11e-09 deg/d
Q 3.242651808722617 1.9493e-08 au
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      8550 days (23.41 yr)  
   first obs. used      1996-01-27  
   last obs. used      2019-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:11:52  

Additional Information
 Earth MOID = .976607 au 
 Jupiter MOID = 2.22155 au 
 T_jup = 3.363 
[ 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 16.0   n/a MPO436469  

100827 (1998 HU2)          Discovered 1998-Apr-20 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 HU2 = 1999 SF11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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