1979 PA

1979PA, 18300, 1987 OU, 1987OU, J79P00A, J87O00U

All data for this body: [vot]

MPC data
Name (number) 1979 PA (18300)
a 2.55812
e 0.26460
i / sin(i) 12.0453 / 0.20869
q 1.88124
Q 3.23501
ω 67.4994
Node 227.2914
m 79.2375
n 0.2409
Epoch 2460800.5
nobs 2931
nopp 26
Years observed 1979-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.560
ep 0.235
sin(ip) 0.230
G 0.150
H 14.560
Mass
D 9.66 0.359
pV 0.031 0.0048
Value
Rotational Period 5.359
Period quality 2
Spectral Class S
Spectral Class Score 3.786
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5601 0.2347 0.2295 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.19 0.720 0.720 Usui 2011PASJ...63.1117U NEATM
10.65 2.130 2.130 Ali-Lagoa 2018A&A...612A..85A NEATM
7.80 1.820 1.820 Masiero 2021PSJ.....2..162M NEATM
7.88 1.931 1.931 Masiero 2017AJ....154..168M NEATM
8.59 2.900 2.900 Nugent 2016AJ....152...63N NEATM
8.72 2.180 2.180 Masiero 2021PSJ.....2..162M NEATM
8.94 2.550 2.550 Masiero 2017AJ....154..168M NEATM
9.59 1.200 1.200 Tedesco 2002AJ....123.1056T STM
9.73 0.508 0.508 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.027 0.0102 0.0102 Masiero 2011ApJ...741...68M NEATM
0.028 0.0080 0.0080 Tedesco 2002AJ....123.1056T STM
0.030 0.0120 0.0120 Ali-Lagoa 2018A&A...612A..85A NEATM
0.032 0.0120 0.0180 Masiero 2021PSJ.....2..162M NEATM
0.038 0.0236 0.0236 Masiero 2017AJ....154..168M NEATM
0.040 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.045 0.0150 0.0230 Masiero 2021PSJ.....2..162M NEATM
0.048 0.0250 0.0250 Masiero 2017AJ....154..168M 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
14.56 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.35861 2 Synodic Pal 2020ApJS..247...26P 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 0.2713 0.1920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.3446 0.1920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
CX 0.15 Bus VIS Carvano 2010A&A...510A..43C PHOT
D C 0.0208 0.1920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.631 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X C 0.1037 0.1920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT