1999 NU55

1999NU55, 91417, J99N55U

All data for this body: [vot]

MPC data
Name (number) 1999 NU55 (91417)
a 2.69787
e 0.17987
i / sin(i) 10.7665 / 0.18681
q 2.21260
Q 3.18314
ω 150.8040
Node 256.1258
m 231.6570
n 0.2224
Epoch 2460800.5
nobs 2069
nopp 21
Years observed 1999-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Adeona (145)
 
ap 2.696
ep 0.168
sin(ip) 0.201
G 0.150
H 14.410
Mass
D 7.44 0.153
pV 0.066 0.0117
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 19.270
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
145 Adeona 0 Adeona Novakovic 2019EPSC...13.1671N HCM
145 Adeona 505 Adeona 0.5400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6962 0.1677 0.2011 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.44 0.154 0.154 Masiero 2011ApJ...741...68M NEATM
7.64 1.520 1.520 Masiero 2020PSJ.....1....5M NEATM
8.03 3.070 3.070 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.057 0.0820 0.0820 Masiero 2020PSJ.....1....5M NEATM
0.063 0.0440 0.0440 Masiero 2020PSJ.....1....5M NEATM
0.067 0.0123 0.0123 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
14.41 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
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.80 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.8472 0.8750 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.8702 0.8750 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.8942 0.8750 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Cgx Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT