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30513 (2001 HE48)
Classification: Main-belt Asteroid          SPK-ID: 2030513
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1006756549744536 3.5444e-08  
a 2.663726449362561 1.2672e-08 au
q 2.395554044400209 9.6864e-08 au
i 16.18261846730297 3.214e-06 deg
node 127.3290607626158 1.5873e-05 deg
peri 227.5801185645224 2.5923e-05 deg
M 30.80399930560796 1.9824e-05 deg
tp 2459064.625654354400
(2020-Aug-03.12565435)
8.768e-05 TDB
period 1587.935512760222
4.35
1.1332e-05
3.103e-08
d
yr
n .2267094583546605 1.6178e-09 deg/d
Q 2.931898854324912 1.3948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1410  
   data-arc span      9251 days (25.33 yr)  
   first obs. used      1995-11-21  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45694  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:29:37  

Additional Information
 Earth MOID = 1.41157 au 
 Jupiter MOID = 2.47052 au 
 T_jup = 3.321 
[ 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 14.46   n/a MPCxxxxx  
diameter diameter 4.027 km 0.230 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.208   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30513 (2001 HE48)          Discovered 2001-Apr-21 by LINEAR at Socorro
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 HE48 = 1995 WF37 = 2000 AA178 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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