🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.59 AU - 0.73 AU

Year: 204 Days

Day: 46 Hours

Environment

Temp: 144 °C

Axial Tilt: 35.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.63 AU - 0.93 AU

Year: 262 Days

Day: 17.1 Hours

Environment

Temp: 154 °C

Axial Tilt: 43.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.04 AU - 1.66 AU

Year: 597 Days

Day: 42.9 Hours

Environment

Temp: -36 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,256,952 km

• M1: 52,359 km (0.081 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.72 AU - 2.52 AU

Year: 1175 Days

Day: 39.4 Hours

Environment

Temp: -92 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.12 AU - 2.96 AU

Year: 1542 Days

Day: 35.5 Hours

Environment

Temp: -109 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,256,952 km

• M1: 1,194,240 km (0.095 R)

Asteroid Belt

Center: 4.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.8

Radius: 12.5

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.62 AU - 6.32 AU

Year: 4872 Days

Day: 11.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,256,952 km

• M1: 155,731 km (0.106 R)
• M2: 677,230 km (0.075 R)
• M3: 1,169,855 km (0.104 R)
• M4: 2,073,726 km (0.085 R)
• M5: 3,948,037 km (0.106 R)
• M6: 4,658,926 km (0.092 R)
• M7: 5,540,806 km (0.115 R)
• M8: 6,629,430 km (0.043 R)
• M9: 7,855,683 km (0.091 R)
• M10: 8,900,774 km (0.093 R)
• M11: 10,480,827 km (0.036 R)
• M12: 12,041,432 km (0.109 R)
• M13: 13,914,996 km (0.091 R)
• M14: 15,383,897 km (0.046 R)
• M15: 15,975,706 km (0.099 R)
• M16: 16,767,528 km (0.052 R)
• M17: 17,204,653 km (0.029 R)
• M18: 17,971,791 km (0.114 R)
• M19: 18,429,710 km (0.101 R)
• M20: 25,522,893 km (0.099 R)
• M21: 26,268,937 km (0.063 R)
• M22: 26,774,279 km (0.058 R)
• M23: 29,853,003 km (0.092 R)
• M24: 30,403,523 km (0.025 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.4

Radius: 5.7

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 10.19 AU - 16.98 AU

Year: 19057 Days

Day: 15.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,256,952 km

• M1: 74,350 km (0.082 R)
• M2: 432,338 km (0.082 R)
• M3: 1,042,398 km (0.106 R)
• M4: 1,639,293 km (0.118 R)
• M5: 2,282,116 km (0.107 R)
• M6: 3,032,798 km (0.101 R)
• M7: 3,250,014 km (0.078 R)
• M8: 3,662,006 km (0.114 R)
• M9: 4,166,301 km (0.105 R)
• M10: 5,312,220 km (0.082 R)
• M11: 6,734,747 km (0.068 R)
• M12: 7,105,600 km (0.09 R)
• M13: 7,403,449 km (0.077 R)
• M14: 8,346,963 km (0.116 R)
• M15: 9,778,315 km (0.087 R)
• M16: 12,070,454 km (0.106 R)
• M17: 14,561,408 km (0.07 R)
• M18: 15,321,515 km (0.102 R)
• M19: 16,473,718 km (0.112 R)
• M20: 17,298,750 km (0.093 R)
• M21: 18,229,847 km (0.072 R)
• M22: 19,112,175 km (0.076 R)
• M23: 19,855,078 km (0.118 R)
• M24: 23,954,957 km (0.077 R)
• M25: 28,692,124 km (0.091 R)
• M26: 29,994,672 km (0.107 R)
• M27: 31,449,512 km (0.076 R)
• M28: 33,659,521 km (0.067 R)
• M29: 33,898,130 km (0.078 R)
• M30: 39,302,652 km (0.049 R)
• M31: 42,277,555 km (0.041 R)
• M32: 52,097,010 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.5

Radius: 5.4

Gravity: 11.75 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 16.31 AU - 17.25 AU

Year: 26175 Days

Day: 20.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,256,952 km

• M1: 72,854 km (0.083 R)
• M2: 265,237 km (0.077 R)
• M3: 784,641 km (0.052 R)
• M4: 2,280,769 km (0.067 R)
• M5: 3,635,527 km (0.053 R)
• M6: 5,492,336 km (0.093 R)
• M7: 6,428,669 km (0.117 R)
• M8: 8,769,876 km (0.091 R)
• M9: 8,983,053 km (0.097 R)
• M10: 10,814,580 km (0.101 R)
• M11: 17,522,997 km (0.047 R)
• M12: 24,722,245 km (0.117 R)
• M13: 26,343,886 km (0.06 R)
• M14: 27,011,840 km (0.106 R)
• M15: 27,463,476 km (0.077 R)
• M16: 29,083,621 km (0.037 R)
• M17: 32,386,293 km (0.026 R)
• M18: 41,643,410 km (0.086 R)
• M19: 57,202,037 km (0.111 R)
• M20: 58,133,583 km (0.105 R)
• M21: 66,771,214 km (0.072 R)
• M22: 69,900,802 km (0.09 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 18,331 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit