1991 PY7

1991PY7, 15279, 1977 DQ10, 1977DQ10, 1998 XB76, 1998XB76, J77D10Q, J91P07Y, J98X76B

All data for this body: [vot]

MPC data
Name (number) 1991 PY7 (15279)
a 2.17516
e 0.09596
i / sin(i) 1.9320 / 0.03371
q 1.96643
Q 2.38390
ω 341.9954
Node 84.6016
m 91.8064
n 0.3072
Epoch 2460800.5
nobs 3245
nopp 21
Years observed 1977-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.176
ep 0.124
sin(ip) 0.032
G 0.150
H 15.080
Mass
D 2.28 0.552
pV 0.407 0.1418
Value
Rotational Period 8.140
Period quality 1
Spectral Class S
Spectral Class Score 3.643
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1756 0.1236 0.0320 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.28 0.552 0.552 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.407 0.1418 0.1418 Masiero 2011ApJ...741...68M 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
15.08 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.145 1 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
LS 0.22 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.6071 0.6071 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT