1999 RO21

1999RO21, 2006 QE144, 2006QE144, I1883, J99R21O, K06QE4E

All data for this body: [vot]

MPC data
Name (number) 1999 RO21 (181883)
a 2.31916
e 0.22162
i / sin(i) 25.0339 / 0.42316
q 1.80518
Q 2.83315
ω 28.2914
Node 355.7089
m 74.0304
n 0.2791
Epoch 2460800.5
nobs 207
nopp 13
Years observed 1994-2024
rms 0.89
Best values
[raw, vot]

Value Standard error
Parent Phocaea (25)
 
ap 2.319
ep 0.225
sin(ip) 0.406
G 0.150
H 16.910
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 3.353
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
6065 Chesneau -1 Chesneau -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
25 Phocaea 0 Phocaea Novakovic 2019EPSC...13.1671N HCM
25 Phocaea 701 Phocaea -0.2000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3194 0.2247 0.4058 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
16.91 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 V 0.0266 0.1420 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V 0.0406 0.1420 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V 0.5182 0.1420 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X V 0.1331 0.1420 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT