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24866 (1996 ER1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2024866
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05428569302272905 1.0519e-08  
a 3.226743404373458 2.2383e-08 au
q 3.051577402460525 3.0859e-08 au
i 21.23070603898274 3.3399e-07 deg
node 357.441840817852 1.3927e-06 deg
peri 330.0728871392016 1.6895e-05 deg
M 307.7434235176025 1.4785e-05 deg
tp 2459507.814835910157
(2021-Oct-20.31483591)
8.7226e-05 TDB
period 2117.118042834728
5.80
2.2029e-05
6.031e-08
d
yr
n .1700424788397608 1.7693e-09 deg/d
Q 3.401909406286391 2.3598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1758  
   data-arc span      12047 days (32.98 yr)  
   first obs. used      1987-09-26  
   last obs. used      2020-09-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46038  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:50:31  

Additional Information
 Earth MOID = 2.05418 au 
 Jupiter MOID = 1.88894 au 
 T_jup = 3.078 
[ 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 12.33   n/a MPCxxxxx  
diameter diameter 20.381 km 0.242 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24866 (1996 ER1)          Discovered 1996-Mar-15 by JPL/GEODSS NEAT at Haleakala
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 ER1 = 1987 SU26 = 2001 CU32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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