Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1124845121032346 3.9506e-08  
a 3.939553312143037 3.5766e-08 au
q 3.496414579921945 1.6157e-07 au
i 7.855137993004465 4.2917e-06 deg
node 248.9482818501456 3.1346e-05 deg
peri 21.01356030674456 3.8917e-05 deg
M 242.7003875293665 2.6593e-05 deg
tp 2459931.099846063390
(2022-Dec-17.59984606)
0.00021794 TDB
period 2856.070344364466
7.82
3.8894e-05
1.065e-07
d
yr
n .1260473155748226 1.7165e-09 deg/d
Q 4.382692044364129 3.9789e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2308  
   data-arc span      24527 days (67.15 yr)  
   first obs. used      1953-09-06  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42307  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:59:12  

Additional Information
 Earth MOID = 2.48197 au 
 Jupiter MOID = .713318 au 
 T_jup = 3.034 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457149.5 (2015-May-07.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1112335205083485 3.953e-08  
q 3.501861616550269 1.6154e-07 au
tp 2457068.941277311722
(2015-Feb-15.44127731)
0.00020036 TDB
node 248.9941022682284 3.1348e-05 deg
peri 20.49740134602445 3.9062e-05 deg
i 7.853684394143752 4.2913e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2308  
   data-arc span      24527 days (67.15 yr)  
   first obs. used      1953-09-06  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42307  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:59:12  

Additional Information
 Jupiter MOID = .713318 au 
 T_jup = 3.034 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.56263963903967E-15 -6.264538254809911E-15 -6.15922015133581E-13 -1.986177574788835E-15 -4.985069963448713E-14 8.952311221487084E-16
q -6.264538254809911E-15 2.609373052797514E-14 5.108081923486711E-12 5.106329414641003E-15 5.095034641848156E-13 -3.091336054536733E-15
tp -6.15922015133581E-13 5.108081923486711E-12 4.01443311274987E-8 -1.720844636470913E-11 4.707434971931963E-9 4.774841755332589E-12
node -1.986177574788835E-15 5.106329414641003E-15 -1.720844636470913E-11 9.826741117148777E-10 -9.753833718255015E-10 1.108188082245509E-11
peri -4.985069963448713E-14 5.095034641848156E-13 4.707434971931963E-9 -9.753833718255015E-10 1.525834039548741E-9 -1.041800804286711E-11
i 8.952311221487084E-16 -3.091336054536733E-15 4.774841755332589E-12 1.108188082245509E-11 -1.041800804286711E-11 1.841532362267767E-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 11.0   n/a MPO395030  
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. 2019-August); 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. (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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-28 08:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin