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193649 (2001 DA38)
Classification: Main-belt Asteroid          SPK-ID: 2193649
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1929840593547265 4.1973e-08  
a 2.643792596397235 1.8077e-08 au
q 2.133582769052524 1.0946e-07 au
i 3.441464024839181 4.7917e-06 deg
node 259.167594292151 9.1403e-05 deg
peri 171.4733173999445 9.2554e-05 deg
M 311.2133934465012 1.8114e-05 deg
tp 2459609.283334397912
(2022-Jan-29.78333440)
8.0305e-05 TDB
period 1570.144057862432
4.30
1.6104e-05
4.409e-08
d
yr
n .2292783252576824 2.3516e-09 deg/d
Q 3.154002423741946 2.1566e-08 au
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      7953 days (21.77 yr)  
   first obs. used      1999-09-07  
   last obs. used      2021-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57364  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 15:26:25  

Additional Information
 Earth MOID = 1.14794 au 
 Jupiter MOID = 2.13864 au 
 T_jup = 3.364 
[ 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 15.4   n/a MPO248355  
diameter diameter 3.440 km 0.321 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.113   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193649 (2001 DA38)          Discovered 2001-Feb-19 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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