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JPL Small-Body Database Browser
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1819 Laputa (1948 PC)
Classification: Main-belt Asteroid          SPK-ID: 2001819
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2283076547828648 4.3745e-08  
a 3.134271239933993 1.7115e-08 au
q 2.418693123691281 1.3833e-07 au
i 23.90783749612248 5.2986e-06 deg
node 122.1134802005903 1.1336e-05 deg
peri 166.3640864700617 1.5225e-05 deg
M 257.6201751576945 1.2281e-05 deg
tp 2459176.888324099199
(2020-Nov-23.38832410)
7.1445e-05 TDB
period 2026.764521186878
5.55
1.6601e-05
4.545e-08
d
yr
n .1776230026906052 1.4549e-09 deg/d
Q 3.849849356176704 2.1022e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2191  
   data-arc span      32968 days (90.26 yr)  
   first obs. used      1929-02-03  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43033  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:27:26  

Additional Information
 Earth MOID = 1.40689 au 
 Jupiter MOID = 1.42768 au 
 T_jup = 3.042 
[ 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 10.4   n/a MPO448930  
diameter diameter 54.165 km 0.325 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 9.8004 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Benishek, V.; Protitch-Benishek, V. (2010) Minor Planet Bull. 37, 64-65.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.050   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1819 Laputa (1948 PC)          Discovered 1948-Aug-09 by Johnson, E. L. at Johannesburg (UO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1948 PC = 1929 CN = 1974 DY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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