1998 NP

1998NP, 74078, J98N00P

All data for this body: [vot]

MPC data
Name (number) 1998 NP (74078)
a 2.62850
e 0.13545
i / sin(i) 12.7195 / 0.22018
q 2.27247
Q 2.98452
ω 328.6980
Node 290.8875
m 347.3970
n 0.2313
Epoch 2460200.5
nobs 906
nopp 18
Years observed 1998-2023
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.629
ep 0.144
sin(ip) 0.236
Value Standard error
G 0.150
H 15.400
Mass
D 2.62 0.560
pV 0.213 0.0916
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 502 Eunomia -0.0700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6287 0.1439 0.2361 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.62 0.560 0.560 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.213 0.0916 0.0916 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
15.40 MPC-2023-12-04 MPC-2023-12-04 Phot