Norma

00555, 1905 AF, 1905AF, 1928 FS, 1928FS, 1939 BA, 1939BA, 1950 CC, 1950CC, 1954 UH2, 1954UH2, 1968 HE1, 1968HE1, J05A00F, J28F00S, J39B00A, J50C00C, J54U02H, J68H01E

All data for this body: [vot]

MPC data
Name (number) Norma (555)
a 3.17999
e 0.15546
i / sin(i) 2.6682 / 0.04655
q 2.68565
Q 3.67434
ω 1.2349
Node 130.1765
m 103.9416
n 0.1738
Epoch 2460800.5
nobs 7613
nopp 54
Years observed 1905-2025
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.168
ep 0.180
sin(ip) 0.029
G 0.150
H 10.910
Mass
D 31.57 0.117
pV 0.064 0.0025
Value
Rotational Period 19.500
Period quality 3
Spectral Class C
Spectral Class Score 17.775
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1684 0.1800 0.0295 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
27.89 0.680 0.680 Masiero 2012ApJ...759L...8M NEATM
31.04 0.150 0.150 Masiero 2014ApJ...791..121M NEATM
31.80 0.580 0.580 Usui 2011PASJ...63.1117U NEATM
32.21 3.220 3.220 Ali-Lagoa 2018A&A...612A..85A NEATM
32.54 0.215 0.215 Masiero 2011ApJ...741...68M NEATM
33.00 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
36.03 3.600 3.600 Ali-Lagoa 2018A&A...612A..85A NEATM
38.02 11.150 11.150 Masiero 2020PSJ.....1....5M NEATM
40.11 1.500 1.500 Tedesco 2002AJ....123.1056T STM
40.16 1.449 1.449 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
42.66 3.408 3.408 Ryan&Woodward 2010AJ....140..933R IRAS-STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.044 0.0290 0.0290 Masiero 2020PSJ.....1....5M NEATM
0.056 0.0041 0.0041 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.063 0.0046 0.0046 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.063 0.0050 0.0050 Tedesco 2002AJ....123.1056T STM
0.072 0.0140 0.0140 Ali-Lagoa 2018A&A...612A..85A NEATM
0.090 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.096 0.0150 0.0150 Masiero 2011ApJ...741...68M NEATM
0.110 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.119 0.0180 0.0180 Masiero 2012ApJ...759L...8M 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
10.91 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
19.5077 2 Sidereal Durech 2020A&A...643A..59D Model
19.508 3 Synodic Pilcher 2017MPBu...44..112P Lightcurve
19.55 2+ Synodic Stephens 2012MPBu...39...80S Lightcurve
30.6 2 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B Bus VIS Bus 2002Icar..158..146B SPEC
B Tholen VIS Tatsumi 2022A&A...664A.107T SPEC
C Bus-DeMeo VISNIR Hasegawa 2021PASJ...73..240H PHOT
C 0.940000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
C C 0.6792 0.6792 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
F Tholen VIS Tatsumi 2022A&A...664A.107T SPEC
P M 0.680000 0.260000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC