2001 ND21

2001ND21, 1996 VB2, 1996VB2, 2000 KM17, 2000KM17, 30531, J96V02B, K00K17M, K01N21D

All data for this body: [vot]

MPC data
Name (number) 2001 ND21 (30531)
a 3.15765
e 0.20512
i / sin(i) 1.8153 / 0.03168
q 2.50994
Q 3.80536
ω 77.7638
Node 274.5759
m 69.2258
n 0.1757
Epoch 2460800.5
nobs 1915
nopp 23
Years observed 1996-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.147
ep 0.174
sin(ip) 0.055
G 0.150
H 14.130
Mass
D 9.09 0.232
pV 0.064 0.0109
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.244
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1471 0.1740 0.0553 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.61 2.300 2.300 Masiero 2020PSJ.....1....5M NEATM
8.86 2.460 2.460 Masiero 2020PSJ.....1....5M NEATM
9.09 0.234 0.234 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.057 0.0630 0.0630 Masiero 2020PSJ.....1....5M NEATM
0.060 0.0610 0.0610 Masiero 2020PSJ.....1....5M NEATM
0.065 0.0112 0.0112 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
14.13 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 0.874 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT