1989 RF

1989RF, 08354, 1978 RC5, 1978RC5, 1978 TP3, 1978TP3, 1983 PP2, 1983PP2, 1992 CS7, 1992CS7, J78R05C, J78T03P, J83P02P, J89R00F, J92C07S

All data for this body: [vot]

MPC data
Name (number) 1989 RF (8354)
a 3.20085
e 0.14712
i / sin(i) 4.3570 / 0.07597
q 2.72995
Q 3.67175
ω 113.7449
Node 208.2968
m 94.5643
n 0.1721
Epoch 2460800.5
nobs 4145
nopp 28
Years observed 1978-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.183
ep 0.147
sin(ip) 0.088
G 0.150
H 12.600
Mass
D 15.66 0.340
pV 0.058 0.0054
Value
Rotational Period 8.290
Period quality 2
Spectral Class B
Spectral Class Score 2.280
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1827 0.1468 0.0881 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.22 2.040 2.040 Ali-Lagoa 2018A&A...612A..85A NEATM
15.62 0.373 0.373 Masiero 2011ApJ...741...68M NEATM
15.84 1.140 1.140 Usui 2011PASJ...63.1117U NEATM
18.78 1.600 1.600 Tedesco 2002AJ....123.1056T STM
19.35 3.870 3.870 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.046 0.0090 0.0090 Tedesco 2002AJ....123.1056T STM
0.052 0.0210 0.0210 Ali-Lagoa 2018A&A...612A..85A NEATM
0.066 0.0072 0.0072 Masiero 2011ApJ...741...68M NEATM
0.187 0.0750 0.0750 Ali-Lagoa 2018A&A...612A..85A 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
12.60 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.298 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
8.3152 2 Sidereal Durech 2023A&A...675A..24D Model
8.31526 2 Sidereal Durech 2018A&A...617A..57D Model
8.318 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.380 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT