Sirrah

07737, 1977 RX18, 1977RX18, 1981 VU, 1981VU, J77R18X, J81V00U

All data for this body: [vot]

MPC data
Name (number) Sirrah (7737)
a 2.43484
e 0.19293
i / sin(i) 1.9827 / 0.03460
q 1.96508
Q 2.90460
ω 207.8046
Node 200.6113
m 154.6188
n 0.2594
Epoch 2460800.5
nobs 2606
nopp 27
Years observed 1976-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.435
ep 0.177
sin(ip) 0.043
G 0.150
H 14.650
Mass
D
pV
Value
Rotational Period 4.400
Period quality 3-
Spectral Class S
Spectral Class Score 3.384
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
135 Hertha -1 Hertha -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
135 Hertha 0 Hertha Novakovic 2019EPSC...13.1671N HCM
44 Nysa 405 Nysa-Polana 0.1700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4352 0.1769 0.0426 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
14.65 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.49 3- Synodic Molnar 2018ApJS..234...37M Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.564 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT