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437769 (2015 AD178)
Classification: Main-belt Asteroid          SPK-ID: 2437769
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1562691731150201 7.3509e-08  
a 2.606385165739121 2.5427e-08 au
q 2.199087511069814 1.9765e-07 au
i 4.305404071238303 6.4124e-06 deg
node 95.22540064544741 7.0327e-05 deg
peri 156.2379985278509 7.2896e-05 deg
M 36.13950518867453 1.5349e-05 deg
tp 2459046.210624602759
(2020-Jul-15.71062460)
6.6138e-05 TDB
period 1536.937898098656
4.21
2.2491e-05
6.158e-08
d
yr
n .2342319754398375 3.4277e-09 deg/d
Q 3.013682820408428 2.9401e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      6284 days (17.20 yr)  
   first obs. used      2003-05-02  
   last obs. used      2020-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57278  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:34:37  

Additional Information
 Earth MOID = 1.18391 au 
 Jupiter MOID = 2.02539 au 
 T_jup = 3.391 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458190.5 (2018-Mar-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1554751358009325 7.3581e-08  
q 2.200838074131235 1.9755e-07 au
tp 2457509.136823485725
(2016-Apr-30.63682349)
7.596e-05 TDB
node 95.22664201110041 7.0319e-05 deg
peri 156.0677698034076 7.2919e-05 deg
i 4.305556189974744 6.414e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      6284 days (17.20 yr)  
   first obs. used      2003-05-02  
   last obs. used      2020-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57278  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:34:37  

Additional Information
 Jupiter MOID = 2.02539 au 
 T_jup = 3.391 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.414155539889996E-15 -1.445493189743269E-14 6.359231836741641E-13 -8.626249627302133E-14 4.028007515959174E-13 -4.951999335595579E-15
q -1.445493189743269E-14 3.902755509069956E-14 -2.537577909344314E-12 2.341470945081077E-13 -1.23489880229848E-12 1.320084439829795E-14
tp 6.359231836741641E-13 -2.537577909344314E-12 5.769996395174458E-9 -1.838480763132119E-11 1.458824517344209E-9 1.66965461663287E-12
node -8.626249627302133E-14 2.341470945081077E-13 -1.838480763132119E-11 4.944761375957775E-9 -4.937349878690313E-9 -1.792116140716018E-10
peri 4.028007515959174E-13 -1.23489880229848E-12 1.458824517344209E-9 -4.937349878690313E-9 5.317158672752686E-9 1.790325253506202E-10
i -4.951999335595579E-15 1.320084439829795E-14 1.66965461663287E-12 -1.792116140716018E-10 1.790325253506202E-10 4.113976674656865E-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 17.29   n/a E2021B25  

437769 (2015 AD178)          Discovered 2007-Feb-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04

Alternate Designations
 2015 AD178 = 2012 MR10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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