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152652 (1997 WG8)
Classification: Main-belt Asteroid          SPK-ID: 2152652
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1697881660328562 6.8644e-08  
a 2.566186223457876 1.5661e-08 au
q 2.130478170878182 1.6805e-07 au
i 14.18491628364462 5.215e-06 deg
node 48.61796147079008 2.1611e-05 deg
peri 24.51657951613111 2.7042e-05 deg
M 202.8047132705694 1.9828e-05 deg
tp 2459856.143409457656
(2022-Oct-03.64340946)
8.6676e-05 TDB
period 1501.518476256996
4.11
1.3745e-05
3.763e-08
d
yr
n .2397572894989694 2.1948e-09 deg/d
Q 3.00189427603757 1.832e-08 au
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      8258 days (22.61 yr)  
   first obs. used      1997-10-29  
   last obs. used      2020-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .70104  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:03  

Additional Information
 Earth MOID = 1.15099 au 
 Jupiter MOID = 2.36113 au 
 T_jup = 3.370 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457823.5 (2017-Mar-11.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1706701878428359 6.8688e-08  
q 2.127241466884408 1.6812e-07 au
tp 2458355.959952470719
(2018-Aug-25.45995247)
7.7375e-05 TDB
node 48.63353547633309 2.1603e-05 deg
peri 24.73287819661709 2.6955e-05 deg
i 14.19085343822095 5.2168e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      8258 days (22.61 yr)  
   first obs. used      1997-10-29  
   last obs. used      2020-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .70104  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:03  

Additional Information
 Jupiter MOID = 2.36113 au 
 T_jup = 3.370 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.717976572178312E-15 -1.15277864814853E-14 2.708622908560097E-12 1.787104080887214E-14 3.775213485730256E-13 -2.570139529121064E-14
q -1.15277864814853E-14 2.826508009353776E-14 -6.384644603268368E-12 -4.092329946637468E-14 -8.81339345521846E-13 6.262406294582296E-14
tp 2.708622908560097E-12 -6.384644603268368E-12 5.98690459320174E-9 3.229621309449386E-11 1.253233519310156E-9 -2.948830969235951E-11
node 1.787104080887214E-14 -4.092329946637468E-14 3.229621309449386E-11 4.666746972759469E-10 -4.455596183961583E-10 8.079854017916634E-12
peri 3.775213485730256E-13 -8.81339345521846E-13 1.253233519310156E-9 -4.455596183961583E-10 7.265851493529952E-10 -1.358417179724158E-11
i -2.570139529121064E-14 6.262406294582296E-14 -2.948830969235951E-11 8.079854017916634E-12 -1.358417179724158E-11 2.721524538165914E-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 16.42   n/a E2021B55  

152652 (1997 WG8)          Discovered 1997-Nov-20 by Spacewatch at Kitt Peak
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 1997 WG8 = 2001 TO153 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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