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JPL Small-Body Database Browser
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363 Padua (A893 FD)
Classification: Main-belt Asteroid          SPK-ID: 2000363
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 104 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07128668266626115 3.6784e-08  
a 2.747801384142155 8.2892e-09 au
q 2.5519197388409 1.0014e-07 au
i 5.946386788817675 3.742e-06 deg
node 64.742045129083 3.9753e-05 deg
peri 296.1712422249217 4.8233e-05 deg
M 136.0699318199207 2.7243e-05 deg
tp 2458371.665876950152
0.00012565 TDB
period 1663.705429040298
n .2163844594819076 9.7914e-10 deg/d
Q 2.94368302944341 8.8801e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3613  
   data-arc span      46816 days (128.18 yr)  
   first obs. used      1891-12-01  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41331  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:25:24  

Additional Information
 Earth MOID = 1.55617 au 
 Jupiter MOID = 2.38874 au 
 T_jup = 3.336 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.1   n/a MPO502156  
diameter diameter 97 km n/a J.G. Williams (E-mail September 1990) based on assumed albedo of 0.048 for C-type
rotation period rot_per 8.401 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Koff, R.A. (2006) Minor Planet Bull. 33, 31-33.]
geometric albedo albedo 0.059   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
B-V BV 0.751   0.024 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=1.74, mean=5.10, max.=10.17) deg.
U-B UB 0.375   0.045 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=1.74, mean=2.56, max.=3.38) deg.
Tholen spectral type spec_T XC   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

363 Padua (A893 FD)          Discovered 1893-Mar-17 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A893 FD = 1930 HP = 1945 QG = 1945 RD = A891 WA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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