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85582 (1998 DW24)
Classification: Main-belt Asteroid          SPK-ID: 2085582
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1800555635828968 6.7008e-08  
a 2.674588748067326 2.0524e-08 au
q 2.193014163681589 1.8324e-07 au
i 12.95864357221458 7.1885e-06 deg
node 294.2557562101176 2.7574e-05 deg
peri 12.32934933001899 3.1034e-05 deg
M 231.5222480915689 1.6805e-05 deg
tp 2459570.676579966938
(2021-Dec-22.17657997)
7.7656e-05 TDB
period 1597.658471907211
4.37
1.839e-05
5.035e-08
d
yr
n .2253297599769546 2.5937e-09 deg/d
Q 3.156163332453063 2.422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      484  
   data-arc span      8090 days (22.15 yr)  
   first obs. used      1998-02-23  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50937  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:38:05  

Additional Information
 Earth MOID = 1.17946 au 
 Jupiter MOID = 2.09753 au 
 T_jup = 3.320 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457459.5 (2016-Mar-12.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1795215114102443 6.6962e-08  
q 2.196172033192139 1.8294e-07 au
tp 2457971.170466928174
(2017-Aug-05.67046693)
7.059e-05 TDB
node 294.3274311002766 2.7559e-05 deg
peri 11.88169576922389 3.1039e-05 deg
i 12.95767394564975 7.1903e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      484  
   data-arc span      8090 days (22.15 yr)  
   first obs. used      1998-02-23  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50937  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:38:05  

Additional Information
 Jupiter MOID = 2.09753 au 
 T_jup = 3.320 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.483974893262701E-15 -1.219982008395948E-14 1.628210297104662E-12 1.627449930820126E-14 4.250323119045324E-13 7.444781096578459E-15
q -1.219982008395948E-14 3.346787315731118E-14 -3.990365519248292E-12 -4.555960728287519E-14 -1.090225743405992E-12 -1.999615295106483E-14
tp 1.628210297104662E-12 -3.990365519248292E-12 4.983006937145648E-9 7.765991162498876E-13 1.055474176931265E-9 4.223353802847406E-12
node 1.627449930820126E-14 -4.555960728287519E-14 7.765991162498876E-13 7.594763191705625E-10 -7.392579578486978E-10 1.140650820908887E-10
peri 4.250323119045324E-13 -1.090225743405992E-12 1.055474176931265E-9 -7.392579578486978E-10 9.634302605802397E-10 -1.101148669457813E-10
i 7.444781096578459E-15 -1.999615295106483E-14 4.223353802847406E-12 1.140650820908887E-10 -1.101148669457813E-10 5.169999137451117E-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 15.4   n/a MPO351442  

85582 (1998 DW24)          Discovered 1998-Feb-23 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 DW24 = 2000 SX312 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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