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72860 (2001 HL48)
Classification: Main-belt Asteroid          SPK-ID: 2072860
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09511343114438794 5.0659e-08  
a 2.643117057919223 1.5284e-08 au
q 2.391721125624266 1.3674e-07 au
i 14.61958278693825 4.2397e-06 deg
node 281.7579764050416 2.1883e-05 deg
peri 202.3227372429456 3.5832e-05 deg
M 265.9917167104824 3.0269e-05 deg
tp 2459610.361046274345
(2022-Jan-30.86104627)
0.00013339 TDB
period 1569.542294526898
4.30
1.3614e-05
3.727e-08
d
yr
n .2293662306873442 1.9895e-09 deg/d
Q 2.894512990214181 1.6738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1002  
   data-arc span      7742 days (21.20 yr)  
   first obs. used      1999-10-16  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47897  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:27  

Additional Information
 Earth MOID = 1.41319 au 
 Jupiter MOID = 2.24568 au 
 T_jup = 3.342 
[ 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 14.66   n/a E2021B10  
diameter diameter 3.061 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.394   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72860 (2001 HL48)          Discovered 2001-Apr-21 by NEAT at Haleakala
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HL48 = 1999 YQ22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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