Niels

01720, 1935 CQ, 1935CQ, 1940 WH, 1940WH, 1951 AL, 1951AL, 1953 VO1, 1953VO1, 1959 RA, 1959RA, 1963 WE, 1963WE, J35C00Q, J40W00H, J51A00L, J53V01O, J59R00A, J63W00E

All data for this body: [vot]

MPC data
Name (number) Niels (1720)
a 2.18878
e 0.10432
i / sin(i) 0.7311 / 0.01276
q 1.96045
Q 2.41711
ω 309.0986
Node 127.8641
m 12.2965
n 0.3044
Epoch 2460800.5
nobs 8000
nopp 40
Years observed 1927-2025
rms 0.51
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.188
ep 0.132
sin(ip) 0.013
G 0.150
H 12.900
Mass
D 6.66 0.042
pV 0.202 0.0114
Value
Rotational Period 250.000
Period quality 2
Spectral Class S
Spectral Class Score 6.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1884 0.1322 0.0129 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.09 1.250 1.250 Nugent 2016AJ....152...63N NEATM
6.39 0.090 0.090 Masiero 2014ApJ...791..121M NEATM
6.57 0.063 0.063 Masiero 2011ApJ...741...68M NEATM
6.85 0.090 0.090 Masiero 2014ApJ...791..121M NEATM
7.29 0.133 0.133 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.175 0.0173 0.0173 Masiero 2011ApJ...741...68M NEATM
0.200 0.0400 0.0400 Masiero 2014ApJ...791..121M NEATM
0.215 0.0284 0.0284 Masiero 2011ApJ...741...68M NEATM
0.230 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.350 0.1600 0.1600 Nugent 2016AJ....152...63N 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
12.90 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
19.2 1- Synodic Behrend LCDB Lightcurve
250.9 2 Synodic Polakis 2019MPBu...46..287P Lightcurve
9.976 1 Synodic Clark 2007MPBu...34...19C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A A 0.5045 0.5045 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
LS 0.10 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT