Johndavidniemann

12195, 1979 MM4, 1979MM4, 1998 HE19, 1998HE19, J79M04M, J98H19E

All data for this body: [vot]

MPC data
Name (number) Johndavidniemann (12195)
a 2.19345
e 0.16862
i / sin(i) 2.8039 / 0.04892
q 1.82358
Q 2.56331
ω 55.8122
Node 202.4975
m 61.8696
n 0.3034
Epoch 2460800.5
nobs 1415
nopp 22
Years observed 1979-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.193
ep 0.162
sin(ip) 0.051
G 0.150
H 16.170
Mass
D 3.53 0.135
pV 0.067 0.0100
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.978
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1931 0.1617 0.0508 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.57 0.640 0.640 Masiero 2020PSJ.....1....5M NEATM
2.79 0.920 0.920 Masiero 2020PSJ.....1....5M NEATM
3.59 0.140 0.140 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.066 0.0102 0.0102 Masiero 2011ApJ...741...68M NEATM
0.090 0.0850 0.0850 Masiero 2020PSJ.....1....5M NEATM
0.107 0.0600 0.0600 Masiero 2020PSJ.....1....5M 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
16.17 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
B C 0.4658 0.4770 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.29 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.5663 0.4770 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.772 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT