2001 BT70

2001BT70, 1999 RU256, 1999RU256, 1999 SR12, 1999SR12, 42158, J99RP6U, J99S12R, K01B70T

All data for this body: [vot]

MPC data
Name (number) 2001 BT70 (42158)
a 2.76346
e 0.15137
i / sin(i) 4.9868 / 0.08693
q 2.34517
Q 3.18175
ω 244.9623
Node 178.3484
m 143.3141
n 0.2145
Epoch 2460800.5
nobs 2466
nopp 21
Years observed 1992-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent Merxia (808)
 
ap 2.763
ep 0.135
sin(ip) 0.088
G 0.150
H 15.070
Mass
D 3.09 0.364
pV 0.243 0.0911
Value
Rotational Period 13.650
Period quality 2
Spectral Class V
Spectral Class Score 3.188
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
808 Merxia 0 Merxia Novakovic 2019EPSC...13.1671N HCM
808 Merxia 513 Merxia 0.7500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7630 0.1354 0.0876 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.09 0.364 0.364 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.243 0.0911 0.0911 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
15.07 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
13.655 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
19.1168 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
V V 0.5313 0.5313 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT