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JPL Small-Body Database Browser
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1843 Jarmila (1972 AB)
Classification: Main-belt Asteroid          SPK-ID: 2001843
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1694887405811632 3.5637e-08  
a 2.65287020351033 8.8696e-09 au
q 2.20323857379207 9.5541e-08 au
i 8.41612067814717 3.4612e-06 deg
node 266.9005872810392 2.9467e-05 deg
peri 32.45776837925601 3.1484e-05 deg
M 249.0033140122792 1.294e-05 deg
tp 2459487.108780507336
(2021-Sep-29.60878051)
5.7641e-05 TDB
period 1578.237759296889
4.32
7.915e-06
2.167e-08
d
yr
n .2281025136291134 1.144e-09 deg/d
Q 3.102501833228589 1.0373e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2888  
   data-arc span      30923 days (84.66 yr)  
   first obs. used      1935-08-29  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42752  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:31:28  

Additional Information
 Earth MOID = 1.1926 au 
 Jupiter MOID = 2.11171 au 
 T_jup = 3.354 
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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 11.9   n/a MPO452186  
diameter diameter 28.965 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.434 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Benishek, V. (2018) Minor Planet Bull. 45, 82-91.]
geometric albedo albedo 0.045   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1843 Jarmila (1972 AB)          Discovered 1972-Jan-14 by Kohoutek, L. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1972 AB = 1935 PD = 1952 MU = 1952 OV = 1965 OF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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