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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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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2556493743322376 1.2467e-08  
a 3.043028309846993 9.3347e-09 au
q 2.265080026359322 3.7052e-08 au
i 17.06564008333581 4.549e-07 deg
node 213.8396483408793 1.08e-06 deg
peri 63.64840420133495 3.4543e-06 deg
M 83.68183178652301 3.1397e-06 deg
tp 2458945.801519958054
(2020-Apr-06.30151996)
1.5589e-05 TDB
period 1938.908952531214
5.31
8.9216e-06
2.443e-08
d
yr
n .1856714311056359 8.5434e-10 deg/d
Q 3.820976593334663 1.1721e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3405  
   data-arc span      33697 days (92.26 yr)  
   first obs. used      1929-05-07  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40652  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:22:46  

Additional Information
 Earth MOID = 1.30711 au 
 Jupiter MOID = 1.53046 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 9.88   n/a E2021B10 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. 2020-October); 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.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
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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