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3571 Milanstefanik (1982 EJ)
Classification: Outer Main-belt Asteroid          SPK-ID: 2003571
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1124594463885772 2.1067e-08  
a 3.938584383350384 2.9864e-08 au
q 3.495653364044104 8.5488e-08 au
i 7.854981807819142 1.5756e-06 deg
node 248.9376525144669 9.1367e-06 deg
peri 21.16145787390344 1.5569e-05 deg
M 267.7620067024164 9.9551e-06 deg
tp 2459932.002818766260
(2022-Dec-18.50281877)
8.3093e-05 TDB
period 2855.016738127068
7.82
3.2472e-05
8.89e-08
d
yr
n .1260938316726525 1.4341e-09 deg/d
Q 4.381515402656665 3.3222e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2612  
   data-arc span      24670 days (67.54 yr)  
   first obs. used      1953-09-06  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40826  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:04:07  

Additional Information
 Earth MOID = 2.47944 au 
 Jupiter MOID = .713966 au 
 T_jup = 3.034 
[ 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 11.10   n/a MPCxxxxx  
diameter diameter 34.898 km 0.578 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 421.1 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D.; Stephens, R.D.; Coley, D.R. (2017) Minor Planet Bull. 44, 36-41.]
geometric albedo albedo 0.063   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

3571 Milanstefanik (1982 EJ)          Discovered 1982-Mar-15 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 EJ = 1976 NL = 1985 TJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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