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523521 (2017 OA43)
Classification: Main-belt Asteroid          SPK-ID: 2523521
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1157628690447578 4.0816e-08  
a 2.481533952765229 2.9963e-08 au
q 2.194264462761148 1.0697e-07 au
i 6.009648467830549 5.8988e-06 deg
node 260.9500151061947 8.2619e-05 deg
peri 145.75473499531 9.5317e-05 deg
M 199.2463940437172 4.8619e-05 deg
tp 2459638.083371939056
(2022-Feb-27.58337194)
0.00019541 TDB
period 1427.837419463432
3.91
2.5861e-05
7.08e-08
d
yr
n .2521295457680922 4.5665e-09 deg/d
Q 2.76880344276931 3.3432e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      4985 days (13.65 yr)  
   first obs. used      2005-07-06  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48578  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 07:09:17  

Additional Information
 Earth MOID = 1.20737 au 
 Jupiter MOID = 2.57425 au 
 T_jup = 3.461 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457555.5 (2016-Jun-16.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1159837012406147 4.053e-08  
q 2.193383132213876 1.0616e-07 au
tp 2458211.947517446323
(2018-Apr-03.44751745)
0.00019045 TDB
node 260.9571025280893 8.2624e-05 deg
peri 146.1552070870112 9.5297e-05 deg
i 6.009665868356375 5.8981e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      4985 days (13.65 yr)  
   first obs. used      2005-07-06  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48578  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 07:09:17  

Additional Information
 Jupiter MOID = 2.57425 au 
 T_jup = 3.461 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.642642526162341E-15 -4.166203215378853E-15 -2.433547573352661E-12 -2.738397510553588E-14 -5.942129245177759E-13 -5.743319783670438E-15
q -4.166203215378853E-15 1.127089014063575E-14 6.523875260599942E-12 8.038833253561083E-14 1.505886763424464E-12 1.642383280211917E-14
tp -2.433547573352661E-12 6.523875260599942E-12 3.627068590299225E-8 4.747156362260369E-10 9.14820801740435E-9 6.177921147314707E-11
node -2.738397510553588E-14 8.038833253561083E-14 4.747156362260369E-10 6.82675035734965E-9 -6.663849141077897E-9 2.741214800752496E-10
peri -5.942129245177759E-13 1.505886763424464E-12 9.14820801740435E-9 -6.663849141077897E-9 9.081590532667851E-9 -2.563506755015019E-10
i -5.743319783670438E-15 1.642383280211917E-14 6.177921147314707E-11 2.741214800752496E-10 -2.563506755015019E-10 3.478767260500187E-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 17.2   n/a MPO448259  

523521 (2017 OA43)          Discovered 2010-Nov-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2018-05-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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