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37839 (1998 DX1)
Classification: Main-belt Asteroid          SPK-ID: 2037839
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08502035003396698 4.0866e-08  
a 2.448594576409843 1.2583e-08 au
q 2.240414208432205 1.0395e-07 au
i 10.44110074731293 4.4123e-06 deg
node 113.6775636839595 2.6749e-05 deg
peri 315.8359914119582 4.064e-05 deg
M .1870861566598393 3.1479e-05 deg
tp 2458999.772701144405
(2020-May-30.27270114)
0.00012237 TDB
period 1399.502735470976
3.83
1.0788e-05
2.954e-08
d
yr
n .2572342238965677 1.9829e-09 deg/d
Q 2.656774944387482 1.3653e-08 au
  Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      10426 days (28.54 yr)  
   first obs. used      1991-05-06  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60616  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:02:30  

Additional Information
 Earth MOID = 1.26765 au 
 Jupiter MOID = 2.54574 au 
 T_jup = 3.469 
[ 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 15.8   n/a MPO412451  
diameter diameter 2.099 km 0.572 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.133   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37839 (1998 DX1)          Discovered 1998-Feb-19 by Farra d'Isonzo at Farra d'Isonzo
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 DX1 = 1995 NJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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