Hirsch

14214, 1991 RN23, 1991RN23, 1999 RP86, 1999RP86, J91R23N, J99R86P

All data for this body: [vot]

MPC data
Name (number) Hirsch (14214)
a 2.51326
e 0.19750
i / sin(i) 3.1882 / 0.05562
q 2.01690
Q 3.00962
ω 270.5245
Node 101.0100
m 143.9684
n 0.2474
Epoch 2460800.5
nobs 2380
nopp 24
Years observed 1991-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.513
ep 0.130
sin(ip) 0.037
G 0.150
H 14.910
Mass
D 2.87 0.508
pV 0.310 0.1540
Value
Rotational Period 4.936
Period quality 2
Spectral Class S
Spectral Class Score 17.087
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5134 0.1302 0.0372 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.87 0.508 0.508 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.310 0.1540 0.1540 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
14.91 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.93602 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.47 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.943 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.5085 0.5880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9064 0.5880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X S 0.2457 0.5880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT