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193648 (2001 DT30)
Classification: Main-belt Asteroid          SPK-ID: 2193648
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09940464493279523 4.4965e-08  
a 2.761624245394363 2.139e-08 au
q 2.487105967843138 1.2176e-07 au
i 13.72840027513515 4.481e-06 deg
node 138.2994819770152 2.5292e-05 deg
peri 336.1169005398092 4.2417e-05 deg
M 107.3218179853513 3.555e-05 deg
tp 2458500.775286963579
(2019-Jan-17.27528696)
0.00016291 TDB
period 1676.27515141112
4.59
1.9475e-05
5.332e-08
d
yr
n .214761878261421 2.4951e-09 deg/d
Q 3.036142522945589 2.3516e-08 au
  Orbit Determination Parameters
   # obs. used (total)      526  
   data-arc span      7091 days (19.41 yr)  
   first obs. used      2001-01-19  
   last obs. used      2020-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55386  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:55:01  

Additional Information
 Earth MOID = 1.50848 au 
 Jupiter MOID = 2.04015 au 
 T_jup = 3.293 
[ 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 15.3   n/a MPO475631  
diameter diameter 2.643 km 0.539 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.994 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.277   0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193648 (2001 DT30)          Discovered 2001-Feb-17 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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