1998 QP87

1998QP87, 2002 NQ34, 2002NQ34, 74148, J98Q87P, K02N34Q

All data for this body: [vot]

MPC data
Name (number) 1998 QP87 (74148)
a 2.64768
e 0.21937
i / sin(i) 10.7354 / 0.18627
q 2.06686
Q 3.22850
ω 119.9140
Node 258.1686
m 52.9816
n 0.2288
Epoch 2460800.5
nobs 1264
nopp 19
Years observed 1990-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Adeona (145)
 
ap 2.647
ep 0.180
sin(ip) 0.209
G 0.150
H 15.340
Mass
D 5.11 0.365
pV 0.059 0.0213
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 7.759
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
145 Adeona 0 Adeona Novakovic 2019EPSC...13.1671N HCM
145 Adeona 505 Adeona -0.3700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6465 0.1797 0.2087 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.76 1.090 1.090 Nugent 2016AJ....152...63N NEATM
5.13 0.820 0.820 Masiero 2012ApJ...759L...8M NEATM
5.16 0.440 0.440 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.050 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM
0.060 0.0264 0.0264 Masiero 2011ApJ...741...68M NEATM
0.061 0.0450 0.0450 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
15.34 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 0.13 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.688 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.5619 0.5619 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT