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535 Montague (A904 JE)
Classification: Main-belt Asteroid          SPK-ID: 2000535
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 65 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02479278409827976 3.1379e-08  
a 2.569589788352 6.9492e-09 au
q 2.505882503508245 8.1285e-08 au
i 6.773538831005415 4.0448e-06 deg
node 84.78045349599388 2.8326e-05 deg
peri 68.31727149718883 8.6211e-05 deg
M 184.1956648105007 8.1554e-05 deg
tp 2459935.218884826222
(2022-Dec-21.71888483)
0.00034117 TDB
period 1504.506690647514
4.12
6.1032e-06
1.671e-08
d
yr
n .2392810894347449 9.7067e-10 deg/d
Q 2.633297073195756 7.1215e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3463  
   data-arc span      42612 days (116.67 yr)  
   first obs. used      1904-05-07  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40437  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:47:28  

Additional Information
 Earth MOID = 1.5258 au 
 Jupiter MOID = 2.35665 au 
 T_jup = 3.420 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455738.5 (2011-Jun-26.0) TDB
Reference: JPL 65 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02498654702289421 3.1057e-08  
q 2.505382298869196 8.0472e-08 au
tp 2455420.684882829187
(2010-Aug-12.18488283)
0.0003398 TDB
node 84.84346501438978 2.8263e-05 deg
peri 68.0926450093976 8.6394e-05 deg
i 6.781166645682234 4.0492e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3463  
   data-arc span      42612 days (116.67 yr)  
   first obs. used      1904-05-07  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40437  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:47:28  

Additional Information
 Jupiter MOID = 2.35665 au 
 T_jup = 3.420 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.64521057124049E-16 -2.49079340193927E-15 -1.1765981391768E-12 -1.422527772944022E-15 -2.937223365710683E-13 -1.562381164445438E-17
q -2.49079340193927E-15 6.475690193984215E-15 3.221488353241546E-12 3.272126603684612E-15 8.037368133725445E-13 5.887973856097938E-17
tp -1.1765981391768E-12 3.221488353241546E-12 1.154660565992089E-7 4.857179832835029E-12 2.775100436513538E-8 -7.470489411836117E-12
node -1.422527772944022E-15 3.272126603684612E-15 4.857179832835029E-12 7.988170455543097E-10 -7.916652533547948E-10 2.020387991884242E-13
peri -2.937223365710683E-13 8.037368133725445E-13 2.775100436513538E-8 -7.916652533547948E-10 7.463837048825104E-9 -1.996138023338362E-12
i -1.562381164445438E-17 5.887973856097938E-17 -7.470489411836117E-12 2.020387991884242E-13 -1.996138023338362E-12 1.639618130484067E-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 9.41   n/a E2021B10  
diameter diameter 79.299 km 0.978 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 10.2482 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Koff, R.A.; Brincat, S.M. (2001) Minor Planet Bull. 28, 23.]
[Warner, B.D. (2006) Minor Planet Bull. 33, 82-84.]
[Buchheim, R.K. (2011) Minor Planet Bull. 38, 128-130.]
geometric albedo albedo 0.054   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.752   0.022 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=.46, mean=.66, max.=.85) deg.
U-B UB 0.419   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=.46 deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

535 Montague (A904 JE)          Discovered 1904-May-07 by Dugan, R. S. at Heidelberg
May 9, given by some authorities, is erroneous.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A904 JE = 1953 FV1 = 1959 VL = A903 BD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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