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JPL Small-Body Database Browser
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393845 (2005 SD147)
Classification: Main-belt Asteroid          SPK-ID: 2393845
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06727800076991099 9.4157e-08  
a 3.160480427433105 4.858e-08 au
q 2.947849622802972 3.251e-07 au
i 8.958725303156772 1.0316e-05 deg
node 194.9866367204018 3.9492e-05 deg
peri 141.6768043604352 7.5062e-05 deg
M 259.280886561722 6.23e-05 deg
tp 2459574.666008607736
(2021-Dec-26.16600861)
0.00035673 TDB
period 2052.239699522903
5.62
4.7318e-05
1.295e-07
d
yr
n .1754181054404568 4.0445e-09 deg/d
Q 3.373111232063238 5.1848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      6628 days (18.15 yr)  
   first obs. used      2002-03-05  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55569  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:27:21  

Additional Information
 Earth MOID = 1.94586 au 
 Jupiter MOID = 1.93269 au 
 T_jup = 3.183 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457523.5 (2016-May-15.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0664050109046815 9.4589e-08  
q 2.952736236901024 3.2647e-07 au
tp 2457525.959334438652
(2016-May-17.45933444)
0.00035635 TDB
node 194.9995699191903 3.9485e-05 deg
peri 142.4162178885228 7.5403e-05 deg
i 8.957475579992634 1.0315e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      6628 days (18.15 yr)  
   first obs. used      2002-03-05  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55569  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:27:21  

Additional Information
 Jupiter MOID = 1.93269 au 
 T_jup = 3.183 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.946995554028625E-15 -3.067131039897157E-14 1.367469194636753E-11 -1.864213406045001E-14 2.614112009782867E-12 5.100785603936186E-15
q -3.067131039897157E-14 1.065814577183923E-13 -4.308227562990176E-11 5.563807550295839E-14 -8.284493734765489E-12 -1.424624621973559E-14
tp 1.367469194636753E-11 -4.308227562990176E-11 1.269864852346788E-7 -1.250912744541473E-10 2.290999007533776E-8 3.582983251333704E-11
node -1.864213406045001E-14 5.563807550295839E-14 -1.250912744541473E-10 1.55904369907304E-9 -1.56259659773852E-9 1.971173120764219E-11
peri 2.614112009782867E-12 -8.284493734765489E-12 2.290999007533776E-8 -1.56259659773852E-9 5.685553747683083E-9 -1.299559989314127E-11
i 5.100785603936186E-15 -1.424624621973559E-14 3.582983251333704E-11 1.971173120764219E-11 -1.299559989314127E-11 1.064058785957039E-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 16.1   n/a MPO392028  

393845 (2005 SD147)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15

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