1989 CU2

1989CU2, 2001 QW79, 2001QW79, 30796, J89C02U, K01Q79W

All data for this body: [vot]

MPC data
Name (number) 1989 CU2 (30796)
a 2.74818
e 0.09986
i / sin(i) 8.8119 / 0.15319
q 2.47374
Q 3.02262
ω 269.4656
Node 201.0195
m 5.9289
n 0.2163
Epoch 2460800.5
nobs 1728
nopp 21
Years observed 1989-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.748
ep 0.118
sin(ip) 0.162
G 0.150
H 14.720
Mass
D 3.41 0.424
pV 0.238 0.1120
Value
Rotational Period 7.520
Period quality 2
Spectral Class S
Spectral Class Score 14.856
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7476 0.1183 0.1618 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.35 0.664 0.664 Masiero 2011ApJ...741...68M NEATM
3.45 0.550 0.550 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.214 0.1450 0.1450 Masiero 2012ApJ...759L...8M NEATM
0.273 0.1764 0.1764 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
14.72 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.5203 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.47 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.2243 0.5890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8486 0.5890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9131 0.5890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT