🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.51 AU - 0.63 AU

Year: 160 Days

Day: 23.2 Hours

Environment

Temp: 209 °C

Axial Tilt: 24.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,242,934 km

• M1: 70,760 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.56 AU - 0.68 AU

Year: 181 Days

Day: 20.1 Hours

Environment

Temp: 214 °C

Axial Tilt: 130.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,242,934 km

• M1: 59,091 km (0.081 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.59 AU - 0.91 AU

Year: 241 Days

Day: 42.1 Hours

Environment

Temp: 146 °C

Axial Tilt: 49.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.66 AU - 0.96 AU

Year: 270 Days

Day: 25.8 Hours

Environment

Temp: 132 °C

Axial Tilt: 15.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.95 AU - 2.03 AU

Year: 1041 Days

Day: 39.7 Hours

Environment

Temp: -62 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.6

Radius: 10.6

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.5 AU - 4.76 AU

Year: 3695 Days

Day: 9.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,242,934 km

• M1: 131,945 km (0.077 R)
• M2: 546,631 km (0.095 R)
• M3: 1,326,036 km (0.108 R)
• M4: 2,605,546 km (0.104 R)
• M5: 3,177,908 km (0.09 R)
• M6: 3,832,398 km (0.032 R)
• M7: 4,323,827 km (0.076 R)
• M8: 5,676,790 km (0.107 R)
• M9: 7,352,137 km (0.117 R)
• M10: 8,561,785 km (0.116 R)
• M11: 9,473,884 km (0.08 R)
• M12: 10,375,061 km (0.106 R)
• M13: 12,347,509 km (0.118 R)
• M14: 15,905,395 km (0.07 R)
• M15: 17,491,881 km (0.067 R)
• M16: 18,133,506 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.2

Radius: 14.9

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.8 AU - 6.62 AU

Year: 5060 Days

Day: 12 Hours

Environment

Temp: -141 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,242,934 km

• M1: 185,352 km (0.113 R)
• M2: 676,631 km (0.115 R)
• M3: 1,592,619 km (0.053 R)
• M4: 2,375,913 km (0.077 R)
• M5: 3,044,317 km (0.113 R)
• M6: 3,607,702 km (0.052 R)
• M7: 4,240,352 km (0.111 R)
• M8: 5,183,267 km (0.086 R)
• M9: 6,371,972 km (0.069 R)
• M10: 8,793,961 km (0.082 R)
• M11: 9,612,860 km (0.064 R)
• M12: 10,756,685 km (0.114 R)
• M13: 12,907,155 km (0.108 R)
• M14: 13,777,515 km (0.081 R)
• M15: 15,635,221 km (0.114 R)
• M16: 17,270,476 km (0.105 R)
• M17: 17,933,194 km (0.063 R)
• M18: 19,963,387 km (0.059 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.8

Radius: 14.8

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.61 AU - 7.63 AU

Year: 5615 Days

Day: 10.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,242,934 km

• M1: 187,147 km (0.109 R)
• M2: 680,970 km (0.097 R)
• M3: 1,207,704 km (0.059 R)
• M4: 1,727,257 km (0.104 R)
• M5: 2,368,284 km (0.054 R)
• M6: 2,916,111 km (0.112 R)
• M7: 3,919,763 km (0.116 R)
• M8: 4,432,585 km (0.07 R)
• M9: 7,143,897 km (0.117 R)
• M10: 8,591,555 km (0.061 R)
• M11: 15,160,099 km (0.111 R)
• M12: 17,243,099 km (0.096 R)
• M13: 22,811,431 km (0.082 R)
• M14: 24,112,334 km (0.111 R)
• M15: 25,233,870 km (0.029 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.2

Radius: 14.2

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.13 AU - 9.83 AU

Year: 10825 Days

Day: 14.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,242,934 km

• M1: 177,273 km (0.069 R)
• M2: 622,178 km (0.053 R)
• M3: 1,607,429 km (0.096 R)
• M4: 2,616,018 km (0.104 R)
• M5: 3,120,013 km (0.082 R)
• M6: 3,848,704 km (0.077 R)
• M7: 4,688,547 km (0.095 R)
• M8: 5,439,229 km (0.11 R)
• M9: 6,268,749 km (0.068 R)
• M10: 8,225,789 km (0.047 R)
• M11: 9,171,845 km (0.119 R)
• M12: 9,928,063 km (0.035 R)
• M13: 12,876,038 km (0.089 R)
• M14: 17,101,879 km (0.057 R)
• M15: 23,910,377 km (0.108 R)
• M16: 25,343,674 km (0.06 R)
• M17: 29,230,078 km (0.115 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 15,561 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit