Zappala

02813, 1931 VZ, 1931VZ, 1949 FC, 1949FC, 1964 TH, 1964TH, 1979 OS14, 1979OS14, 1981 WZ, 1981WZ, J31V00Z, J49F00C, J64T00H, J79O14S, J81W00Z

All data for this body: [vot]

MPC data
Name (number) Zappala (2813)
a 3.13304
e 0.15498
i / sin(i) 14.7655 / 0.25486
q 2.64749
Q 3.61859
ω 247.2907
Node 231.7485
m 238.4134
n 0.1777
Epoch 2460800.5
nobs 4704
nopp 31
Years observed 1949-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.139
ep 0.149
sin(ip) 0.275
G 0.150
H 10.940
Mass
D 32.99 0.074
pV 0.074 0.0033
Value
Rotational Period 18.230
Period quality 3
Spectral Class D
Spectral Class Score 13.977
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1385 0.1488 0.2747 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
28.83 2.138 2.138 Ryan&Woodward 2010AJ....140..933R IRAS-STM
32.04 0.080 0.080 Masiero 2014ApJ...791..121M NEATM
32.57 1.800 1.800 Tedesco 2002AJ....123.1056T STM
34.23 3.420 3.420 Ali-Lagoa 2018A&A...612A..85A NEATM
34.46 6.890 6.890 Ali-Lagoa 2018A&A...612A..85A NEATM
35.07 0.880 0.880 Usui 2011PASJ...63.1117U NEATM
36.95 0.238 0.238 Masiero 2011ApJ...741...68M NEATM
37.62 3.335 3.335 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
39.46 10.330 10.330 Nugent 2016AJ....152...63N NEATM
40.38 15.930 15.930 Nugent 2016AJ....152...63N NEATM
44.04 0.380 0.380 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.044 0.0070 0.0070 Masiero 2012ApJ...759L...8M NEATM
0.050 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.052 0.0100 0.0100 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.060 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.062 0.0070 0.0070 Masiero 2011ApJ...741...68M NEATM
0.066 0.0080 0.0080 Tedesco 2002AJ....123.1056T STM
0.074 0.0300 0.0300 Ali-Lagoa 2018A&A...612A..85A NEATM
0.075 0.0150 0.0150 Ali-Lagoa 2018A&A...612A..85A NEATM
0.087 0.0125 0.0125 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.190 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.94 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
18.2228 2 Sidereal Durech 2023A&A...675A..24D Model
18.231 3 Synodic Franco 2016MPBu...43..203F Lightcurve
18.28 2 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C L 0.630000 0.240000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
D DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
D 0.20 Bus VIS Carvano 2010A&A...510A..43C PHOT
D D 0.9594 0.9670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.9701 0.9670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L&D D DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
T Bus VIS Bus 2002Icar..158..146B SPEC