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85573 (1998 CE)
Classification: Main-belt Asteroid          SPK-ID: 2085573
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04081224862983564 3.6923e-08  
a 2.860544585834804 2.1222e-08 au
q 2.743799328980983 1.0646e-07 au
i 1.935594243785381 5.4872e-06 deg
node 355.4870863678339 0.00012929 deg
peri 70.21082097556221 0.00014739 deg
M 266.5866045822916 7.161e-05 deg
tp 2459459.040992068890
(2021-Sep-01.54099207)
0.00035271 TDB
period 1767.142243429328
4.84
1.9665e-05
5.384e-08
d
yr
n .2037187449615723 2.2671e-09 deg/d
Q 2.977289842688624 2.2088e-08 au
  Orbit Determination Parameters
   # obs. used (total)      621  
   data-arc span      7376 days (20.19 yr)  
   first obs. used      1998-01-07  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58952  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-05 14:40:22  

Additional Information
 Earth MOID = 1.75784 au 
 Jupiter MOID = 2.14381 au 
 T_jup = 3.300 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456396.5 (2013-Apr-14.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04302243994811129 3.7305e-08  
q 2.736435296503084 1.0817e-07 au
tp 2455902.737976363242
(2011-Dec-07.23797636)
0.00032383 TDB
node 355.8050723877355 0.0001291 deg
peri 65.67552555029458 0.00014532 deg
i 1.938259011699592 5.4868e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      621  
   data-arc span      7376 days (20.19 yr)  
   first obs. used      1998-01-07  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58952  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-05 14:40:22  

Additional Information
 Jupiter MOID = 2.14381 au 
 T_jup = 3.300 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.391627959164992E-15 -3.965959357502253E-15 -8.636798859884526E-13 3.535153362716669E-15 -1.862358009141494E-13 -2.287894068531609E-16
q -3.965959357502253E-15 1.170011931409284E-14 3.588200265225434E-12 -1.389222891387545E-14 7.843741998846846E-13 9.940450841598278E-16
tp -8.636798859884526E-13 3.588200265225434E-12 1.048686771749336E-7 -6.086061450661668E-11 2.162297076337338E-8 4.624631104988536E-13
node 3.535153362716669E-15 -1.389222891387545E-14 -6.086061450661668E-11 1.666737542599199E-8 -1.667026874736113E-8 -1.274312918744726E-10
peri -1.862358009141494E-13 7.843741998846846E-13 2.162297076337338E-8 -1.667026874736113E-8 2.11191123626636E-8 1.274839016643343E-10
i -2.287894068531609E-16 9.940450841598278E-16 4.624631104988536E-13 -1.274312918744726E-10 1.274839016643343E-10 3.010525629631812E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO400790  

85573 (1998 CE)          Discovered 1998-Feb-01 by Ticha, J., Tichy, M. at Klet
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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