1999 TP9

1999TP9, 44719, J99T09P

All data for this body: [vot]

MPC data
Name (number) 1999 TP9 (44719)
a 2.36120
e 0.22025
i / sin(i) 2.3053 / 0.04022
q 1.84114
Q 2.88125
ω 336.1818
Node 18.8174
m 36.0421
n 0.2716
Epoch 2460800.5
nobs 1540
nopp 20
Years observed 1998-2024
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.361
ep 0.181
sin(ip) 0.036
G 0.150
H 15.680
Mass
D 2.39 0.580
pV 0.210 0.2270
Value
Rotational Period 43.880
Period quality 2
Spectral Class S
Spectral Class Score 6.273
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
135 Hertha 0 Hertha Novakovic 2019EPSC...13.1671N HCM
44 Nysa 405 Nysa-Polana -0.5600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3610 0.1809 0.0362 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.39 0.580 0.580 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.210 0.2270 0.2270 Masiero 2012ApJ...759L...8M 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
15.68 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
43.888 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
LS 0.41 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.7122 0.7122 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT