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523389 (2017 DD47)
Classification: Main-belt Asteroid          SPK-ID: 2523389
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0482309763008054 1.2441e-07  
a 3.190408171210881 1.4887e-07 au
q 3.036531670315313 3.2285e-07 au
i 11.89519662333224 1.0696e-05 deg
node 133.595086850166 3.2955e-05 deg
peri 1.312508901961179 9.5513e-05 deg
M 224.889067813859 9.9184e-05 deg
tp 2459781.688407429830
(2022-Jul-21.18840743)
0.00061315 TDB
period 2081.458710441683
5.70
0.00014569
3.989e-07
d
yr
n .1729556287588373 1.2106e-08 deg/d
Q 3.344284672106449 1.5605e-07 au
  Orbit Determination Parameters
   # obs. used (total)      64  
   data-arc span      3166 days (8.67 yr)  
   first obs. used      2011-01-24  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60575  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 20:12:09  

Additional Information
 Earth MOID = 2.05059 au 
 Jupiter MOID = 1.68526 au 
 T_jup = 3.162 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457921.5 (2017-Jun-17.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04484517314676684 1.2497e-07  
q 3.05146687261145 3.2216e-07 au
tp 2457702.443079758363
(2016-Nov-09.94307976)
0.0005502 TDB
node 133.8305031930705 3.2983e-05 deg
peri 2.001706589167124 0.00010133 deg
i 11.88295928787937 1.069e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      64  
   data-arc span      3166 days (8.67 yr)  
   first obs. used      2011-01-24  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60575  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 20:12:09  

Additional Information
 Jupiter MOID = 1.68526 au 
 T_jup = 3.162 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.561837021862316E-14 -3.793312623198863E-14 3.370384965925004E-11 3.107362780687313E-14 5.838835073932718E-12 1.661939398747388E-14
q -3.793312623198863E-14 1.037853500993877E-13 -6.01800087035042E-11 -8.469588827975462E-14 -1.024754796108781E-11 -2.500785237859748E-14
tp 3.370384965925004E-11 -6.01800087035042E-11 3.027216327570094E-7 2.469017011335366E-11 5.274662291971988E-8 3.192900761031748E-11
node 3.107362780687313E-14 -8.469588827975462E-14 2.469017011335366E-11 1.087896908104692E-9 -1.060082156416269E-9 5.506354699215384E-11
peri 5.838835073932718E-12 -1.024754796108781E-11 5.274662291971988E-8 -1.060082156416269E-9 1.02667870025416E-8 -4.855106659595833E-11
i 1.661939398747388E-14 -2.500785237859748E-14 3.192900761031748E-11 5.506354699215384E-11 -4.855106659595833E-11 1.142730505842635E-10

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 16.3   n/a MPO425377  

523389 (2017 DD47)          Discovered 2011-Jan-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2018-05-31

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