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1061 Paeonia (1925 TB)
Classification: Main-belt Asteroid          SPK-ID: 2001061
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2165448490181802 3.5481e-08  
a 3.125030178934157 1.0136e-08 au
q 2.448320990659603 1.1106e-07 au
i 2.49927472497775 3.2368e-06 deg
node 90.9219275648209 9.5517e-05 deg
peri 306.3828409352338 9.5862e-05 deg
M 67.90647838719454 7.6942e-06 deg
tp 2458819.882757648248
(2019-Dec-02.38275765)
4.2998e-05 TDB
period 2017.807586271027
5.52
9.8166e-06
2.688e-08
d
yr
n .1784114612559722 8.6797e-10 deg/d
Q 3.801739367208711 1.233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2873  
   data-arc span      34863 days (95.45 yr)  
   first obs. used      1925-10-10  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46551  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:08:53  

Additional Information
 Earth MOID = 1.45574 au 
 Jupiter MOID = 1.62908 au 
 T_jup = 3.177 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.92   n/a E2021B10  
diameter diameter 23.092 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.9971 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2015) Minor Planet Bull. 42, 91-94.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.048   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
B-V BV 0.676   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=18.35 deg.
U-B UB 0.337   0.041 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=18.35 deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

1061 Paeonia (1925 TB)          Discovered 1925-Oct-10 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1925 TB = 1925 XB = 1936 SM = 1942 XD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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