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1146 Biarmia (1929 JF)
Classification: Main-belt Asteroid          SPK-ID: 2001146
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 .2560682968909214 3.6582e-08  
a 3.045531621091612 1.2171e-08 au
q 2.265667525751236 1.1353e-07 au
i 17.06138736207651 4.8328e-06 deg
node 213.8672945086556 1.4632e-05 deg
peri 63.75559911313609 1.7091e-05 deg
M 10.05880386084973 9.6505e-06 deg
tp 2458946.257844988726
(2020-Apr-06.75784499)
5.1884e-05 TDB
period 1941.301975283666
5.31
1.1637e-05
3.186e-08
d
yr
n .1854425558637761 1.1116e-09 deg/d
Q 3.825395716431988 1.5288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2589  
   data-arc span      33278 days (91.11 yr)  
   first obs. used      1929-05-07  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44773  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:26:52  

Additional Information
 Earth MOID = 1.30784 au 
 Jupiter MOID = 1.53036 au 
 T_jup = 3.123 
[ 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 9.80   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 11
diameter diameter 32.925 km 0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.4700 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Durkee, R.I. (2009) Minor Planet Bull. 36, 170.]
[Warner, B.D. (2011) Minor Planet Bull. 38, 21-23.]
[Klinglesmith III, D.A.; Hanowell, J.; Warren, C.A. (2014) Minor Planet Bull. 41, 206-208.]
geometric albedo albedo 0.196   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.690   0.024 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=9.73, mean=12.02, max.=14.32) deg.
U-B UB 0.247   0.046 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=9.73, mean=12.02, max.=14.32) deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

1146 Biarmia (1929 JF)          Discovered 1929-May-07 by Neujmin, G. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1929 JF = 1941 WD1 = A913 KA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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