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173600 (2001 DJ57)
Classification: Main-belt Asteroid          SPK-ID: 2173600
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2203735743568794 5.8068e-08  
a 2.359646378125898 1.0285e-08 au
q 1.839642671560029 1.3621e-07 au
i 1.438620071994895 4.0905e-06 deg
node 107.3703350568721 0.00019108 deg
peri 298.2921145955483 0.00019125 deg
M 197.3085306502573 8.9354e-06 deg
tp 2459598.816655896843
(2022-Jan-19.31665590)
3.5403e-05 TDB
period 1323.941550124085
3.62
8.6563e-06
2.37e-08
d
yr
n .2719153273543379 1.7779e-09 deg/d
Q 2.879650084691767 1.2552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      689  
   data-arc span      7033 days (19.26 yr)  
   first obs. used      2001-01-21  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50014  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:28:33  

Additional Information
 Earth MOID = .849637 au 
 Jupiter MOID = 2.51681 au 
 T_jup = 3.518 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456995.5 (2014-Dec-04.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2191491374453745 5.7892e-08  
q 1.842906146669333 1.3555e-07 au
tp 2456951.075200015462
(2014-Oct-20.57520002)
2.732e-05 TDB
node 107.3733413874436 0.00019087 deg
peri 298.4375647078331 0.00019103 deg
i 1.43858614114039 4.0931e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      689  
   data-arc span      7033 days (19.26 yr)  
   first obs. used      2001-01-21  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50014  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:28:33  

Additional Information
 Jupiter MOID = 2.51681 au 
 T_jup = 3.518 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.351528781335345E-15 -7.833749545069264E-15 -1.266369934538384E-14 -9.071773640276551E-14 -3.560622461205568E-14 -1.41040219061508E-15
q -7.833749545069264E-15 1.837454334521494E-14 7.981867922104035E-14 2.119389149300747E-13 9.700389789690225E-14 3.296353611816268E-15
tp -1.266369934538384E-14 7.981867922104035E-14 7.463729944344477E-10 1.415071615750667E-12 2.461097935553031E-10 -2.021638928450064E-13
node -9.071773640276551E-14 2.119389149300747E-13 1.415071615750667E-12 3.642999813510553E-8 -3.641447234686974E-8 -3.378684012718782E-10
peri -3.560622461205568E-14 9.700389789690225E-14 2.461097935553031E-10 -3.641447234686974E-8 3.649391989203014E-8 3.377533158696904E-10
i -1.41040219061508E-15 3.296353611816268E-15 -2.021638928450064E-13 -3.378684012718782E-10 3.377533158696904E-10 1.675313926654367E-11

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 16.7   n/a MPO469861  

173600 (2001 DJ57)          Discovered 2001-Feb-16 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 DJ57 = 2003 SP237 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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