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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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1694887397642386 3.5566e-08  
a 2.652870203206775 8.8356e-09 au
q 2.20323857570716 9.5392e-08 au
i 8.416120350820947 3.4204e-06 deg
node 266.9005873007948 2.9466e-05 deg
peri 32.45776872046346 3.147e-05 deg
M 249.0033138657301 1.2935e-05 deg
tp 2459487.108781066286
(2021-Sep-29.60878107)
5.7622e-05 TDB
period 1578.237759026005
4.32
7.8847e-06
2.159e-08
d
yr
n .2281025136682643 1.1396e-09 deg/d
Q 3.102501830706391 1.0333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2983  
   data-arc span      30969 days (84.79 yr)  
   first obs. used      1935-08-29  
   last obs. used      2020-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42178  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:37:27  

Additional Information
 Earth MOID = 1.1926 au 
 Jupiter MOID = 2.11171 au 
 T_jup = 3.354 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456451.5 (2013-Jun-08.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1710240362757845 3.5701e-08  
q 2.19829112571947 9.5985e-08 au
tp 2456326.087617987014
(2013-Feb-02.58761799)
5.2403e-05 TDB
node 267.1142646811948 2.9386e-05 deg
peri 31.49990890209042 3.1347e-05 deg
i 8.43065825254593 3.4265e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2983  
   data-arc span      30969 days (84.79 yr)  
   first obs. used      1935-08-29  
   last obs. used      2020-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42178  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:37:27  

Additional Information
 Jupiter MOID = 2.11171 au 
 T_jup = 3.354 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.274556805170346E-15 -3.416969790501085E-15 5.132901708187431E-13 6.76228675438222E-15 1.187284638356642E-13 -7.853617906112346E-17
q -3.416969790501085E-15 9.213088835868635E-15 -1.306148448754636E-12 -1.894055991383731E-14 -3.034244833381206E-13 4.890510231025948E-16
tp 5.132901708187431E-13 -1.306148448754636E-12 2.746044052267822E-9 8.163179018942979E-12 5.998455563120627E-10 1.90392578318443E-12
node 6.76228675438222E-15 -1.894055991383731E-14 8.163179018942979E-12 8.635590389252638E-10 -8.519409887569658E-10 1.603830630861536E-11
peri 1.187284638356642E-13 -3.034244833381206E-13 5.998455563120627E-10 -8.519409887569658E-10 9.826277560436564E-10 -1.545381767334708E-11
i -7.853617906112346E-17 4.890510231025948E-16 1.90392578318443E-12 1.603830630861536E-11 -1.545381767334708E-11 1.174118934729645E-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-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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