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 ]  
1366 Piccolo (1932 WA)
Classification: Main-belt Asteroid          SPK-ID: 2001366
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 51 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1394841687953193 2.0595e-08  
a 2.875443660602853 9.6183e-09 au
q 2.474364791685893 5.7184e-08 au
i 9.464357081870126 4.3106e-07 deg
node 24.09947567367498 1.3095e-06 deg
peri 282.8359781782621 4.0376e-06 deg
M 167.3059779279174 4.9066e-06 deg
tp 2458568.815772953698
(2019-Mar-26.31577295)
2.1468e-05 TDB
period 1780.966379247044
4.88
8.936e-06
2.447e-08
d
yr
n .2021374486317932 1.0142e-09 deg/d
Q 3.276522529519811 1.096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3678  
   data-arc span      32316 days (88.48 yr)  
   first obs. used      1932-11-29  
   last obs. used      2021-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40483  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:17:34  

Additional Information
 Earth MOID = 1.4811 au 
 Jupiter MOID = 2.05839 au 
 T_jup = 3.262 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456514.5 (2013-Aug-10.0) TDB
Reference: JPL 51 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1420289302983163 2.0439e-08  
q 2.465578228761856 5.6842e-08 au
tp 2456791.361356840237
(2014-May-13.86135684)
1.7184e-05 TDB
node 24.15983665585441 1.307e-06 deg
peri 283.1709572522566 3.9909e-06 deg
i 9.475137760093187 4.3132e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3678  
   data-arc span      32316 days (88.48 yr)  
   first obs. used      1932-11-29  
   last obs. used      2021-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40483  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:17:34  

Additional Information
 Jupiter MOID = 2.05839 au 
 T_jup = 3.262 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.177466068348506E-16 -1.15072018121571E-15 8.395209561092317E-14 8.500089272382767E-15 -2.5127145245885E-14 9.295944038979331E-16
q -1.15072018121571E-15 3.23099118999515E-15 -2.054080962763196E-13 -2.390211928790453E-14 7.742237990173254E-14 -2.521152109057938E-15
tp 8.395209561092317E-14 -2.054080962763196E-13 2.952871223957807E-10 -1.432566708942099E-12 5.531795553476489E-11 -1.037788910186493E-12
node 8.500089272382767E-15 -2.390211928790453E-14 -1.432566708942099E-12 1.70837422150385E-12 -2.366901452396273E-12 2.744713631729261E-14
peri -2.5127145245885E-14 7.742237990173254E-14 5.531795553476489E-11 -2.366901452396273E-12 1.592726037625765E-11 -3.42804186072535E-13
i 9.295944038979331E-16 -2.521152109057938E-15 -1.037788910186493E-12 2.744713631729261E-14 -3.42804186072535E-13 1.86035614303116E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.37   n/a MPCxxxxx IRAS observations used: 4
diameter diameter 27.55 km 1.8 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 4
rotation period rot_per 16.57 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:
[Binzel, R.P. (1987) Icarus 72, 135-208.]
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.1538   0.022 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 4
B-V BV 0.710   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=7.77 deg.
U-B UB 0.180   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=7.77 deg.

1366 Piccolo (1932 WA)          Discovered 1932-Nov-29 by Delporte, E. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1932 WA = 1930 FA1 = 1931 PC = 1931 RJ1 = 1935 GM = 1935 JM = 1950 KL = 1961 TL1 = 1961 VP = A916 NB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-30 08:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin