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JPL Small-Body Database Browser
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569 Misa (A905 OE)
Classification: Main-belt Asteroid          SPK-ID: 2000569
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1811311886053592 3.1403e-08  
a 2.656625707067553 7.1538e-09 au
q 2.175427935066854 8.3938e-08 au
i 1.291573201746615 3.2743e-06 deg
node 301.6893114430048 0.00020869 deg
peri 142.6834015542586 0.00020907 deg
M 90.56516030253357 1.255e-05 deg
tp 2458602.619511482293
5.4805e-05 TDB
period 1581.590264820274
n .2276190034850203 9.1941e-10 deg/d
Q 3.137823479068252 8.4496e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3059  
   data-arc span      40437 days (110.71 yr)  
   first obs. used      1909-08-12  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45072  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:08:28  

Additional Information
 Earth MOID = 1.19174 au 
 Jupiter MOID = 2.08854 au 
 T_jup = 3.364 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.2   n/a MPO492756 IRAS observations used: 15
diameter diameter 72.95 km 1.6 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 15
rotation period rot_per 11.595 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2016) Minor Planet Bull. 43, 296-299.]
geometric albedo albedo 0.0297   0.001 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 15
B-V BV 0.716   0.017 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=4.42, mean=13.50, max.=18.22) deg.
U-B UB 0.335   0.031 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=4.42 deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B Cg   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)

569 Misa (A905 OE)          Discovered 1905-Jul-27 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A905 OE = 1949 WS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
FirstGov 2020-May-26 18:32 UT
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