1999 CN121

1999CN121, 49576, J99CC1N

All data for this body: [vot]

MPC data
Name (number) 1999 CN121 (49576)
a 2.69833
e 0.04328
i / sin(i) 21.8620 / 0.37237
q 2.58154
Q 2.81511
ω 97.6247
Node 5.3290
m 353.2404
n 0.2224
Epoch 2460800.5
nobs 3110
nopp 20
Years observed 1997-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Hansa (480)
 
ap 2.697
ep 0.021
sin(ip) 0.371
G 0.150
H 13.670
Mass
D 5.56 0.151
pV 0.273 0.0380
Value
Rotational Period
Period quality None
Spectral Class K
Spectral Class Score 4.512
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
480 Hansa 0 Hansa Novakovic 2019EPSC...13.1671N HCM
480 Hansa 803 Hansa Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6970 0.0212 0.3715 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.56 0.151 0.151 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.273 0.0380 0.0380 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
13.67 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
K 0.752 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT