1989 RP1

1989RP1, 13938, 1976 SS6, 1976SS6, J76S06S, J89R01P

All data for this body: [vot]

MPC data
Name (number) 1989 RP1 (13938)
a 2.65386
e 0.23177
i / sin(i) 12.9613 / 0.22429
q 2.03878
Q 3.26895
ω 155.8145
Node 162.3756
m 114.1903
n 0.2280
Epoch 2460800.5
nobs 3072
nopp 23
Years observed 1976-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.650
ep 0.206
sin(ip) 0.213
G 0.150
H 13.820
Mass
D 8.64 0.118
pV 0.061 0.0056
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 11.163
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6497 0.2056 0.2127 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.80 2.900 2.900 Nugent 2016AJ....152...63N NEATM
12.99 3.500 3.500 Masiero 2021PSJ.....2..162M NEATM
13.11 0.320 0.320 Usui 2011PASJ...63.1117U NEATM
13.66 1.370 1.370 Ali-Lagoa 2018A&A...612A..85A NEATM
7.46 2.574 2.574 Masiero 2017AJ....154..168M NEATM
7.87 0.128 0.128 Masiero 2011ApJ...741...68M NEATM
9.23 1.630 1.630 Masiero 2012ApJ...759L...8M NEATM
9.25 2.640 2.640 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.029 0.0110 0.0170 Masiero 2021PSJ.....2..162M NEATM
0.040 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.040 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.054 0.0250 0.0470 Masiero 2021PSJ.....2..162M NEATM
0.093 0.0551 0.0551 Masiero 2017AJ....154..168M NEATM
0.132 0.0116 0.0116 Masiero 2011ApJ...741...68M NEATM
0.538 0.2400 0.2400 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
13.82 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 0.2162 0.4390 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B C 0.3943 0.4390 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.07 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.7393 0.4390 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.7645 0.4390 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.0216 0.4390 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT