Pyatnitskij

06631, 1983 RQ4, 1983RQ4, 1987 SR, 1987SR, J83R04Q, J87S00R

All data for this body: [vot]

MPC data
Name (number) Pyatnitskij (6631)
a 2.46943
e 0.14929
i / sin(i) 7.1418 / 0.12433
q 2.10078
Q 2.83809
ω 205.5051
Node 192.0916
m 219.3296
n 0.2540
Epoch 2460800.5
nobs 4602
nopp 27
Years observed 1949-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.469
ep 0.131
sin(ip) 0.128
G 0.150
H 13.360
Mass
D 14.37 0.059
pV 0.036 0.0023
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 0.918
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4694 0.1309 0.1280 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.91 3.790 3.790 Masiero 2020PSJ.....1....5M NEATM
14.08 4.590 4.590 Masiero 2021PSJ.....2..162M NEATM
14.14 4.171 4.171 Masiero 2017AJ....154..168M NEATM
14.34 0.060 0.060 Masiero 2011ApJ...741...68M NEATM
14.35 1.000 1.000 Tedesco 2002AJ....123.1056T STM
14.35 4.330 4.330 Masiero 2021PSJ.....2..162M NEATM
14.52 4.080 4.080 Masiero 2020PSJ.....1....5M NEATM
15.17 0.490 0.490 Usui 2011PASJ...63.1117U NEATM
15.54 1.550 1.550 Ali-Lagoa 2018A&A...612A..85A NEATM
16.15 5.050 5.050 Masiero 2012ApJ...759L...8M NEATM
18.18 0.816 0.816 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
9.10 2.990 2.990 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.031 0.0028 0.0028 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.040 0.0340 0.0340 Masiero 2012ApJ...759L...8M NEATM
0.042 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.044 0.0064 0.0064 Masiero 2011ApJ...741...68M NEATM
0.047 0.0353 0.0353 Masiero 2017AJ....154..168M NEATM
0.049 0.0080 0.0080 Tedesco 2002AJ....123.1056T STM
0.050 0.0310 0.0310 Masiero 2020PSJ.....1....5M NEATM
0.053 0.0510 0.0510 Masiero 2020PSJ.....1....5M NEATM
0.054 0.0220 0.0380 Masiero 2021PSJ.....2..162M NEATM
0.055 0.0240 0.0420 Masiero 2021PSJ.....2..162M NEATM
0.100 0.0700 0.0700 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
13.36 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
X 0.153 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT