2001 NX21

2001NX21, 1997 NW11, 1997NW11, 4078 P-L, 4078P-L, 42254, J97N11W, K01N21X, PLS4078

All data for this body: [vot]

MPC data
Name (number) 2001 NX21 (42254)
a 2.40871
e 0.20385
i / sin(i) 2.1674 / 0.03782
q 1.91770
Q 2.89973
ω 341.4835
Node 339.9505
m 134.5223
n 0.2636
Epoch 2460800.5
nobs 711
nopp 22
Years observed 1960-2025
rms 0.90
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.408
ep 0.172
sin(ip) 0.045
G 0.150
H 16.610
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 1.816
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 -0.0900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4075 0.1719 0.0450 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
16.61 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 C 0.0362 0.1540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.0774 0.1540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.1890 0.1540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT