Bolander

1997 EK36, 1997EK36, 1999 TR143, 1999TR143, 21852, J97E36K, J99TE3R

All data for this body: [vot]

MPC data
Name (number) Bolander (21852)
a 2.42595
e 0.14936
i / sin(i) 5.8671 / 0.10222
q 2.06360
Q 2.78830
ω 164.0055
Node 328.4803
m 175.5140
n 0.2608
Epoch 2460800.5
nobs 2184
nopp 21
Years observed 1995-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.425
ep 0.186
sin(ip) 0.109
G 0.150
H 15.060
Mass
D 5.79 0.228
pV 0.062 0.0101
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.934
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4247 0.1861 0.1090 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.21 0.870 0.870 Nugent 2016AJ....152...63N NEATM
4.88 1.592 1.592 Masiero 2017AJ....154..168M NEATM
5.93 0.239 0.239 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0105 0.0105 Masiero 2011ApJ...741...68M NEATM
0.074 0.0441 0.0441 Masiero 2017AJ....154..168M NEATM
0.090 0.0600 0.0600 Nugent 2016AJ....152...63N 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
15.06 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.989 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT