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48870 (1998 HL93)
Classification: Main-belt Asteroid          SPK-ID: 2048870
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1736878350148697 2.9298e-08  
a 2.251219994199702 8.6492e-09 au
q 1.860210467264968 6.3524e-08 au
i 3.425753440684837 3.9358e-06 deg
node 248.3797467106446 5.8653e-05 deg
peri 47.16069414973138 6.0015e-05 deg
M 136.2429686139841 1.2596e-05 deg
tp 2458533.585963518384
(2019-Feb-19.08596352)
4.2821e-05 TDB
period 1233.744793168936
3.38
7.1101e-06
1.947e-08
d
yr
n .2917945445389252 1.6816e-09 deg/d
Q 2.642229521134436 1.0151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1244  
   data-arc span      7952 days (21.77 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49779  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:15:31  

Additional Information
 Earth MOID = .846281 au 
 Jupiter MOID = 2.54669 au 
 T_jup = 3.605 
[ 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 15.4   n/a MPO436124  
diameter diameter 2.262 km 0.331 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.287   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48870 (1998 HL93)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HL93 = 1999 VT26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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