1998 QP87

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

All data for this body: [vot]

MPC data
Name (number) 1998 QP87 (74148)
a 2.64668
e 0.21881
i / sin(i) 10.7348 / 0.18626
q 2.06756
Q 3.22580
ω 119.8533
Node 258.1695
m 275.7149
n 0.2289
Epoch 2460200.5
nobs 803
nopp 18
Years observed 1990-2023
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent Adeona (145)
 
ap 2.647
ep 0.180
sin(ip) 0.209
Value Standard error
G 0.150
H 15.450
Mass
D 5.11 0.365
pV 0.059 0.0213
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
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-Oct-2022
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
15.45 MPC-2023-12-04 MPC-2023-12-04 Phot