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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2556261240809969 3.8425e-08  
a 3.04346048962795 1.4262e-08 au
q 2.265472480870704 1.2061e-07 au
i 17.06762667320021 5.1616e-06 deg
node 213.8891323510227 1.4686e-05 deg
peri 63.84101321785136 1.7657e-05 deg
M 295.7502212601926 1.1654e-05 deg
tp 2458946.613918847653
(2020-Apr-07.11391885)
6.4299e-05 TDB
period 1939.322021477338
5.31
1.3631e-05
3.732e-08
d
yr
n .1856318837269527 1.3048e-09 deg/d
Q 3.821448498385196 1.7907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2389  
   data-arc span      32973 days (90.28 yr)  
   first obs. used      1929-05-07  
   last obs. used      2019-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46086  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:15:20  

Additional Information
 Earth MOID = 1.30739 au 
 Jupiter MOID = 1.53402 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-January); 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

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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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