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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1695643899574982 3.5328e-08  
a 2.652410949904991 8.7625e-09 au
q 2.202656505267763 9.4766e-08 au
i 8.416230902813584 3.413e-06 deg
node 266.8968324813075 2.9191e-05 deg
peri 32.5209446962468 3.1187e-05 deg
M 294.574985368058 1.2936e-05 deg
tp 2459487.248379823760
(2021-Sep-29.74837982)
5.724e-05 TDB
period 1577.827950322759
4.32
7.8187e-06
2.141e-08
d
yr
n .2281617586545852 1.1306e-09 deg/d
Q 3.102165394542219 1.0248e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3030  
   data-arc span      31218 days (85.47 yr)  
   first obs. used      1935-08-29  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41937  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:01:14  

Additional Information
 Earth MOID = 1.19009 au 
 Jupiter MOID = 2.1117 au 
 T_jup = 3.354 
[ 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 11.93   n/a MPCxxxxx  
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. 2020-October); 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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2070-Aug-12 13:46 00:04 Thisb 0.032659354525875 0.0326538782811062 0.0326648308327899 1.03251757807809 1.0325173758834 2477336.073591845 3.82891859724049 279.824239065515 22.2358024940107 14.6375984286592 57560.7285003868 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 13:01:50 2021-Apr-12 13:01

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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