Tolkien

02675, 1934 VO, 1934VO, 1937 RH, 1937RH, 1939 FR, 1939FR, 1949 FO, 1949FO, 1950 QA1, 1950QA1, 1952 DX, 1952DX, 1969 JE, 1969JE, 1969 KB, 1969KB, 1970 RB, 1970RB, 1973 QX, 1973QX, 1975 BV, 1975BV, 1982 GB, 1982GB, J34V00O, J37R00H, J39F00R, J49F00O, J50Q01A, J52D00X, J69J00E, J69K00B, J70R00B, J73Q00X, J75B00V, J82G00B

All data for this body: [vot]

MPC data
Name (number) Tolkien (2675)
a 2.21281
e 0.10179
i / sin(i) 2.7497 / 0.04797
q 1.98757
Q 2.43805
ω 1.8252
Node 5.8106
m 215.0849
n 0.2994
Epoch 2460800.5
nobs 4900
nopp 38
Years observed 1937-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.212
ep 0.069
sin(ip) 0.041
G 0.150
H 12.310
Mass
D 10.37 0.143
pV 0.225 0.0184
Value
Rotational Period 1060.000
Period quality 2+
Spectral Class S
Spectral Class Score 13.016
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2124 0.0691 0.0409 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.37 1.040 1.040 Ali-Lagoa 2018A&A...612A..85A NEATM
10.96 0.190 0.190 Masiero 2012ApJ...759L...8M NEATM
8.52 0.850 0.850 Ali-Lagoa 2018A&A...612A..85A NEATM
9.65 0.230 0.230 Usui 2011PASJ...63.1117U NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.213 0.0210 0.0210 Masiero 2012ApJ...759L...8M NEATM
0.231 0.0460 0.0460 Ali-Lagoa 2018A&A...612A..85A NEATM
0.342 0.0680 0.0680 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
12.31 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
1060.0 2+ Synodic Durkee 2011MPBu...38..182D Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Bus VIS Bus 2002Icar..158..146B SPEC
S 0.536 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.960000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC