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145 Adeona (A875 LB)
Classification: Main-belt Asteroid          SPK-ID: 2000145
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 96 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1452488581958195 4.1556e-08  
a 2.674244978136175 8.3101e-09 au
q 2.285813948525992 1.1033e-07 au
i 12.62307095269109 4.5149e-06 deg
node 77.38080233403068 1.7806e-05 deg
peri 44.90978763747937 2.1957e-05 deg
M 188.2737394834362 1.3324e-05 deg
tp 2459762.463946299337
(2022-Jul-01.96394630)
6.0188e-05 TDB
period 1597.350456724719
4.37
7.4456e-06
2.038e-08
d
yr
n .2253732100456907 1.0505e-09 deg/d
Q 3.062676007746359 9.5172e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2548  
   data-arc span      49267 days (134.89 yr)  
   first obs. used      1885-09-10  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43208  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:10:37  

Additional Information
 Earth MOID = 1.31997 au 
 Jupiter MOID = 2.12376 au 
 T_jup = 3.330 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.2   n/a MPO492750 IRAS observations used: 10
diameter diameter 127.783 km 0.355 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 15.071 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2009) Minor Planet Bull. 36, 59-62.]
[Pilcher, F. (2010) Minor Planet Bull. 37, 148-149.]
[Wang, Y.-B.; Xu, Y.; Fan, C.-B.; Liu, C.-Z. (2018). Astron. Nach. 339, 457-464.]
[Warner, B.D. (2018) Minor Planet Bull. 45, 256-259.]
geometric albedo albedo 0.061   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.701   0.019 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=6.88, mean=14.31, max.=24.13) deg.
U-B UB 0.352   0.018 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=6.88, mean=14.31, max.=24.13) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

145 Adeona (A875 LB)          Discovered 1875-Jun-03 by Peters, C. H. F. at Clinton
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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