Kreisau

07945, 1981 QZ4, 1981QZ4, 1991 RK7, 1991RK7, J81Q04Z, J91R07K

All data for this body: [vot]

MPC data
Name (number) Kreisau (7945)
a 2.17543
e 0.12223
i / sin(i) 4.0115 / 0.06996
q 1.90951
Q 2.44134
ω 322.1823
Node 288.6211
m 293.1582
n 0.3072
Epoch 2460800.5
nobs 4721
nopp 23
Years observed 1981-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.176
ep 0.128
sin(ip) 0.075
G 0.150
H 14.290
Mass
D 3.67 0.046
pV 0.290 0.0667
Value
Rotational Period 5.682
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora -0.2100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1758 0.1275 0.0747 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.67 0.046 0.046 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.290 0.0667 0.0667 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
14.29 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.6825 2 Synodic Pal 2020ApJS..247...26P Lightcurve