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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1691902341752954 3.6043e-08  
a 2.653698149109054 9.423e-09 au
q 2.204718337830746 9.6154e-08 au
i 8.416177972625121 3.8188e-06 deg
node 266.9016804347145 3.0237e-05 deg
peri 32.37785671451618 3.2499e-05 deg
M 157.8781559844389 1.3031e-05 deg
tp 2457908.039103623340
(2017-Jun-03.53910362)
5.6407e-05 TDB
period 1578.976655390934
4.32
8.4102e-06
2.303e-08
d
yr
n .2279957710399896 1.2144e-09 deg/d
Q 3.102677960387363 1.1017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2557  
   data-arc span      30744 days (84.17 yr)  
   first obs. used      1935-08-29  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44693  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:09:17  

Additional Information
 Earth MOID = 1.19334 au 
 Jupiter MOID = 2.10943 au 
 T_jup = 3.353 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455916.5 (2011-Dec-21.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1713739328570507 3.6235e-08  
q 2.197781696742012 9.6936e-08 au
tp 2456326.229345606622
(2013-Feb-02.72934561)
5.4205e-05 TDB
node 267.121010160609 3.0171e-05 deg
peri 31.55670167522096 3.2358e-05 deg
i 8.429565284252389 3.824e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2557  
   data-arc span      30744 days (84.17 yr)  
   first obs. used      1935-08-29  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44693  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:09:17  

Additional Information
 Jupiter MOID = 2.10943 au 
 T_jup = 3.353 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.31300796186311E-15 -3.501300233937329E-15 4.152498949861419E-13 9.477940444804139E-15 8.307169623185534E-14 -1.130771056569822E-15
q -3.501300233937329E-15 9.396564491130212E-15 -1.085970668181814E-12 -2.652217854444979E-14 -2.207194248692389E-13 3.307662666579904E-15
tp 4.152498949861419E-13 -1.085970668181814E-12 2.938148075705829E-9 1.130698878413602E-11 6.596588872920914E-10 1.011378944957315E-12
node 9.477940444804139E-15 -2.652217854444979E-14 1.130698878413602E-11 9.102919832216134E-10 -8.973265849996936E-10 4.516683399767772E-12
peri 8.307169623185534E-14 -2.207194248692389E-13 6.596588872920914E-10 -8.973265849996936E-10 1.047056993107928E-9 -4.272769965836024E-12
i -1.130771056569822E-15 3.307662666579904E-15 1.011378944957315E-12 4.516683399767772E-12 -4.272769965836024E-12 1.462263699342934E-11

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-January); 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

[ show close-approach data ]
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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