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3589 Loyola (1984 AB1)
Classification: Main-belt Asteroid          SPK-ID: 2003589
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .163543918671012 1.5219e-08  
a 2.245417505195485 5.3433e-09 au
q 1.878193127343328 3.4598e-08 au
i 4.466705800109347 1.0001e-06 deg
node 111.3055785756882 8.3716e-06 deg
peri 286.798046757996 9.7653e-06 deg
M 57.6222914539766 6.6499e-06 deg
tp 2459003.787432436302
(2020-Jun-03.28743244)
2.2517e-05 TDB
period 1228.977927396258
3.36
4.3868e-06
1.201e-08
d
yr
n .2929263349446028 1.0456e-09 deg/d
Q 2.612641883047642 6.2172e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2361  
   data-arc span      18782 days (51.42 yr)  
   first obs. used      1969-10-17  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45582  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:05:21  

Additional Information
 Earth MOID = .890606 au 
 Jupiter MOID = 2.79857 au 
 T_jup = 3.610 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457115.5 (2015-Apr-03.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1644945913245654 1.5303e-08  
q 1.875435328265766 3.4813e-08 au
tp 2456545.319034733673
(2013-Sep-09.81903473)
2.1764e-05 TDB
node 111.3581458845023 8.3834e-06 deg
peri 286.4670641436451 9.7493e-06 deg
i 4.464370999710924 9.9955e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2361  
   data-arc span      18782 days (51.42 yr)  
   first obs. used      1969-10-17  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45582  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:05:21  

Additional Information
 Jupiter MOID = 2.79857 au 
 T_jup = 3.610 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.341870629364058E-16 -5.283626323490714E-16 -1.741104675701813E-13 -3.656859321378575E-15 -3.242150359504191E-14 -2.194917314800714E-15
q -5.283626323490714E-16 1.211930139957641E-15 3.776396539373721E-13 7.533957700190954E-15 7.290480916515339E-14 4.868069807289692E-15
tp -1.741104675701813E-13 3.776396539373721E-13 4.736688914440973E-10 -1.220194682134691E-12 1.116288840444762E-10 -3.010543490663217E-12
node -3.656859321378575E-15 7.533957700190954E-15 -1.220194682134691E-12 7.028151479508461E-11 -6.914460135799313E-11 -1.682979725918847E-12
peri -3.242150359504191E-14 7.290480916515339E-14 1.116288840444762E-10 -6.914460135799313E-11 9.504892517383487E-11 4.827857711636243E-13
i -2.194917314800714E-15 4.868069807289692E-15 -3.010543490663217E-12 -1.682979725918847E-12 4.827857711636243E-13 9.991101587397248E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.73   n/a MPCxxxxx  
diameter diameter 4.282 km 0.903 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 4.166 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.353   0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

3589 Loyola (1984 AB1)          Discovered 1984-Jan-08 by Wagner, J. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1984 AB1 = 1969 UZ1 = 1979 RA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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