1999 NA41

1999NA41, 1966 PE1, 1966PE1, 31811, J66P01E, J99N41A

All data for this body: [vot]

MPC data
Name (number) 1999 NA41 (31811)
a 3.11506
e 0.04084
i / sin(i) 9.5612 / 0.16610
q 2.98783
Q 3.24229
ω 248.6603
Node 331.6388
m 333.7338
n 0.1793
Epoch 2460800.5
nobs 2935
nopp 21
Years observed 1966-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.115
ep 0.071
sin(ip) 0.180
G 0.150
H 13.280
Mass
D 13.93 0.260
pV 0.063 0.0137
Value
Rotational Period
Period quality None
Spectral Class D
Spectral Class Score 16.099
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos 1.6100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1154 0.0714 0.1801 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.93 0.260 0.260 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.063 0.0137 0.0137 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
13.28 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
D D 0.3900 0.2460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.3959 0.2460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.5542 0.2460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.5658 0.2460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.7773 0.2460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
K D 0.2343 0.2460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
K D 0.3348 0.2460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.78 Bus VIS Carvano 2010A&A...510A..43C PHOT
X D 0.0303 0.2460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X D 0.1926 0.2460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X D 0.2892 0.2460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X D 0.3053 0.2460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X D 0.3944 0.2460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X D 0.8368 0.2460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT