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175921 (2000 DM1)
Classification: Apollo [NEO]          SPK-ID: 2175921
[ 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 73 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4839705314574058 1.0435e-07  
a 1.369057748630899 2.9731e-09 au
q .7064741424301231 1.4241e-07 au
i 20.70165821441731 1.3245e-05 deg
node 342.7763171989864 9.4603e-06 deg
peri 306.7057483706005 1.7952e-05 deg
M 282.0674169386569 1.9149e-05 deg
tp 2459327.162381289222
(2021-Apr-22.66238129)		 3.1203e-05 TDB
period 585.1013205635445
1.60		 1.9059e-06
5.218e-09		 d
yr
n .6152780507370303 2.0042e-09 deg/d
Q 2.031641354831674 4.412e-09 au
   Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      7641 days (20.92 yr)  
   first obs. used      2000-02-16  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49203  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-18 06:08:11  

Additional Information
 Earth MOID = .142551 au 
 Jupiter MOID = 3.32272 au 
 T_jup = 4.640 
[ 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 18.2   n/a MPO475486  
diameter diameter 1.039 km 0.386 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.020   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

175921 (2000 DM1)          Discovered 2000-Feb-16 by CSS at Catalina
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ show close-approach data ]
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