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48869 (1998 HC92)
Classification: Main-belt Asteroid          SPK-ID: 2048869
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05225366199421822 4.9267e-08  
a 2.20309482855546 1.0469e-08 au
q 2.087975056042913 1.0714e-07 au
i 4.319987384621151 4.5128e-06 deg
node 68.82636352319015 7.5921e-05 deg
peri 110.3337058627724 9.1244e-05 deg
M 185.3549418494421 5.2613e-05 deg
tp 2459179.931383183872
(2020-Nov-26.43138318)
0.00017596 TDB
period 1194.395651128978
3.27
8.5139e-06
2.331e-08
d
yr
n .3014076614057641 2.1485e-09 deg/d
Q 2.318214601068007 1.1017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      7367 days (20.17 yr)  
   first obs. used      1998-04-21  
   last obs. used      2018-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59831  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 00:33:26  

Additional Information
 Earth MOID = 1.09499 au 
 Jupiter MOID = 2.64404 au 
 T_jup = 3.658 
[ 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 16.0   n/a MPO400476  
diameter diameter 1.790 km 0.368 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.289   0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48869 (1998 HC92)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HC92 = 1999 TE40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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