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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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1124593928295355 3.818e-08  
a 3.938584399670725 3.4154e-08 au
q 3.495653589475875 1.5858e-07 au
i 7.854978073242321 4.0388e-06 deg
node 248.9376590799315 3.1267e-05 deg
peri 21.1614529151365 3.8607e-05 deg
M 267.762003692798 2.602e-05 deg
tp 2459932.002847181047
(2022-Dec-18.50284718)
0.00021131 TDB
period 2855.016755872599
7.82
3.7136e-05
1.017e-07
d
yr
n .1260938308889086 1.6402e-09 deg/d
Q 4.381515209865576 3.7995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2449  
   data-arc span      24608 days (67.37 yr)  
   first obs. used      1953-09-06  
   last obs. used      2021-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41545  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:11:38  

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 11.09   n/a E2021B10  
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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