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57868 Pupin (2001 YD)
Classification: Main-belt Asteroid          SPK-ID: 2057868
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2536943569132657 3.7416e-08  
a 2.38224491570113 7.3573e-09 au
q 1.777882823802435 8.7854e-08 au
i 4.228837877716395 3.3491e-06 deg
node 287.6242306736399 4.9094e-05 deg
peri 46.07850567258426 4.9478e-05 deg
M 160.4346801322493 6.4301e-06 deg
tp 2458601.986718863611
(2019-Apr-28.48671886)
2.2538e-05 TDB
period 1343.006269165048
3.68
6.2216e-06
1.703e-08
d
yr
n .2680553384339847 1.2418e-09 deg/d
Q 2.986607007599825 9.2238e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1431  
   data-arc span      8515 days (23.31 yr)  
   first obs. used      1997-11-26  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51518  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:40:20  

Additional Information
 Earth MOID = .768875 au 
 Jupiter MOID = 2.40217 au 
 T_jup = 3.490 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457209.5 (2015-Jul-06.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2548936979865147 3.7414e-08  
q 1.774392702195383 8.7914e-08 au
tp 2457259.685728365297
(2015-Aug-25.18572837)
2.0124e-05 TDB
node 287.731445605223 4.9127e-05 deg
peri 46.01968198534263 4.9505e-05 deg
i 4.228188548805681 3.3499e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1431  
   data-arc span      8515 days (23.31 yr)  
   first obs. used      1997-11-26  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51518  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:40:20  

Additional Information
 Jupiter MOID = 2.40217 au 
 T_jup = 3.490 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.399798801625795E-15 -3.283291409475631E-15 8.864022475458742E-14 1.403865379117931E-14 -1.821301692503327E-14 -2.127038841911337E-15
q -3.283291409475631E-15 7.728803385395433E-15 -1.86894821435196E-13 -3.367303577608586E-14 4.866891635890798E-14 4.961444726265593E-15
tp 8.864022475458742E-14 -1.86894821435196E-13 4.049775782083916E-10 -3.223883626914862E-12 1.322590397496101E-10 -5.694461834183432E-13
node 1.403865379117931E-14 -3.367303577608586E-14 -3.223883626914862E-12 2.413434618051604E-9 -2.408026525079085E-9 4.678153711585105E-11
peri -1.821301692503327E-14 4.866891635890798E-14 1.322590397496101E-10 -2.408026525079085E-9 2.450728190039607E-9 -4.68074537661736E-11
i -2.127038841911337E-15 4.961444726265593E-15 -5.694461834183432E-13 4.678153711585105E-11 -4.68074537661736E-11 1.122196802301057E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.31   n/a MPCxxxxx  
diameter diameter 5.725 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 108.10 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Benishek, V.; Pilcher, F. (2016) Minor Planet Bull. 43, 100-101.]
geometric albedo albedo 0.045   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

57868 Pupin           Discovered 2001 Dec. 17 by NEAT at Palomar.
Mihajlo Pupin (1858-1935) was a Serbian-American physicist and humanitarian. He greatly improved long-distance telephone transmission and the sensitivity of X-ray detection, and worked for Serbian emigres. Name suggested by V. Benishek and F. Pilcher, who obtained the first rotational lightcurves for this object.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-03-23Last Updated: 2016-03-24

Alternate Designations
 2001 YD = 1997 WU46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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