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JPL Small-Body Database Browser
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136888 (1998 HR10)
Classification: Main-belt Asteroid          SPK-ID: 2136888
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1695626355300524 4.7627e-08  
a 2.239750064378189 8.9236e-09 au
q 1.859972140533619 1.0548e-07 au
i 2.692967845596301 4.7742e-06 deg
node 69.80623176592829 0.00013292 deg
peri 164.474749651731 0.00013399 deg
M 190.4162393105404 1.8247e-05 deg
tp 2459577.239271694338
(2021-Dec-28.73927169)
6.3307e-05 TDB
period 1224.327948418155
3.35
7.317e-06
2.003e-08
d
yr
n .2940388647217633 1.7573e-09 deg/d
Q 2.61952798822276 1.0437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      7982 days (21.85 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62918  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:42:53  

Additional Information
 Earth MOID = .848798 au 
 Jupiter MOID = 2.37574 au 
 T_jup = 3.615 
[ 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 16.8   n/a MPO502856  

136888 (1998 HR10)          Discovered 1998-Apr-17 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1998 HR10 = 1999 VW127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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