Tangshan

02778, 1948 WL, 1948WL, 1965 UK, 1965UK, 1970 EG, 1970EG, 1977 ET, 1977ET, 1979 XP, 1979XP, 1982 RN, 1982RN, J48W00L, J65U00K, J70E00G, J77E00T, J79X00P, J82R00N

All data for this body: [vot]

MPC data
Name (number) Tangshan (2778)
a 2.28088
e 0.12181
i / sin(i) 4.6152 / 0.08046
q 2.00305
Q 2.55871
ω 286.3900
Node 91.9028
m 114.1377
n 0.2861
Epoch 2460800.5
nobs 9264
nopp 31
Years observed 1948-2025
rms 0.46
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.281
ep 0.089
sin(ip) 0.068
G 0.150
H 13.460
Mass
D 12.66 0.144
pV 0.062 0.0080
Value
Rotational Period 3.460
Period quality 3
Spectral Class D
Spectral Class Score 21.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2813 0.0894 0.0680 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.85 1.180 1.180 Ali-Lagoa 2018A&A...612A..85A NEATM
12.55 0.190 0.190 Masiero 2012ApJ...759L...8M NEATM
12.95 0.230 0.230 Usui 2011PASJ...63.1117U NEATM
13.83 1.380 1.380 Ali-Lagoa 2018A&A...612A..85A NEATM
8.40 2.430 2.430 Masiero 2021PSJ.....2..162M NEATM
8.63 2.490 2.490 Masiero 2020PSJ.....1....5M NEATM
9.17 2.640 2.640 Nugent 2016AJ....152...63N NEATM
9.73 2.690 2.690 Masiero 2020PSJ.....1....5M NEATM
9.82 3.330 3.330 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.044 0.0290 0.0290 Masiero 2012ApJ...759L...8M NEATM
0.055 0.0110 0.0110 Ali-Lagoa 2018A&A...612A..85A NEATM
0.060 0.0270 0.0480 Masiero 2021PSJ.....2..162M NEATM
0.075 0.0150 0.0150 Ali-Lagoa 2018A&A...612A..85A NEATM
0.086 0.0570 0.0570 Masiero 2020PSJ.....1....5M NEATM
0.095 0.0430 0.0780 Masiero 2021PSJ.....2..162M NEATM
0.098 0.0650 0.0650 Masiero 2020PSJ.....1....5M NEATM
0.100 0.1100 0.1100 Nugent 2016AJ....152...63N 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
13.46 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.457 3 Synodic Behrend LCDB Lightcurve
3.460693 2 Sidereal Athanasopoulos 2022A&A...666A.116A Model
3.4607 3 Synodic Warner 2022MPBu...49..262W Lightcurve
3.461 3 Synodic Warner 2004MPBu...31...36W Lightcurve
3.468 3 Synodic Stephens 2019MPBu...46..449S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
Cb Bus VIS Bus 2002Icar..158..146B SPEC
D Bus-DeMeo VISNIR Arredondo 2021Icar..36814619A SPEC
P 0.940000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC