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20241 (1998 DV23)
Classification: Main-belt Asteroid          SPK-ID: 2020241
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07648390493881466 4.4326e-08  
a 2.36847194207941 9.3818e-09 au
q 2.187321959211158 1.0289e-07 au
i 8.43990532427434 4.8008e-06 deg
node 25.52719702870349 2.5059e-05 deg
peri 169.3310720910207 3.5719e-05 deg
M 92.71327865578741 2.44e-05 deg
tp 2458857.621517226203
(2020-Jan-09.12151723)
9.0452e-05 TDB
period 1331.376212644182
3.65
7.9106e-06
2.166e-08
d
yr
n .2703968995247568 1.6066e-09 deg/d
Q 2.549621924947661 1.0099e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1313  
   data-arc span      15697 days (42.98 yr)  
   first obs. used      1977-08-19  
   last obs. used      2020-08-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52655  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:15:55  

Additional Information
 Earth MOID = 1.18518 au 
 Jupiter MOID = 2.40419 au 
 T_jup = 3.528 
[ 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 15.05   n/a E2021B10  
diameter diameter 2.663 km 0.645 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.273   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20241 (1998 DV23)          Discovered 1998-Feb-27 by ODAS at Caussols
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 DV23 = 1999 RH179 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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