Piotrovsky

04869, 1935 ME, 1935ME, 1955 KP, 1955KP, 1978 EM3, 1978EM3, 1984 BM, 1984BM, 1988 GC, 1988GC, 1989 UE8, 1989UE8, 1989 VS, 1989VS, J35M00E, J55K00P, J78E03M, J84B00M, J88G00C, J89U08E, J89V00S

All data for this body: [vot]

MPC data
Name (number) Piotrovsky (4869)
a 2.23468
e 0.17451
i / sin(i) 3.5466 / 0.06186
q 1.84471
Q 2.62466
ω 217.4964
Node 96.2215
m 296.6004
n 0.2950
Epoch 2460800.5
nobs 4842
nopp 29
Years observed 1955-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.235
ep 0.127
sin(ip) 0.045
G 0.150
H 13.210
Mass
D 6.45 0.042
pV 0.209 0.0223
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.982
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2348 0.1265 0.0449 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.44 1.020 1.020 Nugent 2016AJ....152...63N NEATM
6.28 0.130 0.130 Masiero 2014ApJ...791..121M NEATM
6.47 0.044 0.044 Masiero 2011ApJ...741...68M NEATM
6.96 1.660 1.660 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.190 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM
0.203 0.0376 0.0376 Masiero 2011ApJ...741...68M NEATM
0.210 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.260 0.1000 0.1000 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
13.21 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.997 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT