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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .173687836442391 2.9199e-08  
a 2.251219994802413 8.5934e-09 au
q 1.860210464549331 6.3357e-08 au
i 3.42575351334369 3.9029e-06 deg
node 248.3797450202827 5.8231e-05 deg
peri 47.160694725783 5.9568e-05 deg
M 136.2429693413924 1.2516e-05 deg
tp 2458533.585960837998
(2019-Feb-19.08596084)
4.2511e-05 TDB
period 1233.744793664394
3.38
7.0642e-06
1.934e-08
d
yr
n .2917945444217436 1.6708e-09 deg/d
Q 2.642229525055495 1.0086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1252  
   data-arc span      8218 days (22.50 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4967  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:35:23  

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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