1999 JC77

1999JC77, 1993 FC39, 1993FC39, 31738, J93F39C, J99J77C

All data for this body: [vot]

MPC data
Name (number) 1999 JC77 (31738)
a 3.15207
e 0.10705
i / sin(i) 16.5796 / 0.28535
q 2.81465
Q 3.48950
ω 266.8287
Node 177.8424
m 359.1566
n 0.1761
Epoch 2460800.5
nobs 2489
nopp 23
Years observed 1993-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Ursula (375)
 
ap 3.155
ep 0.085
sin(ip) 0.286
G 0.150
H 13.490
Mass
D 8.93 0.150
pV 0.126 0.0135
Value
Rotational Period 11.760
Period quality 2
Spectral Class D
Spectral Class Score 15.442
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
375 Ursula 0 Ursula Novakovic 2019EPSC...13.1671N HCM
375 Ursula 631 Ursula Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1548 0.0845 0.2857 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.87 0.180 0.180 Masiero 2011ApJ...741...68M NEATM
9.08 0.274 0.274 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.123 0.0196 0.0196 Masiero 2011ApJ...741...68M NEATM
0.129 0.0185 0.0185 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
13.49 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.768 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D D 0.6598 0.6720 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.9320 0.6720 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.9818 0.6720 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S D 0.2782 0.6720 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT