🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.57 AU - 0.61 AU

Year: 164 Days

Day: 46.2 Hours

Environment

Temp: 152 °C

Axial Tilt: 19.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.61 AU - 0.69 AU

Year: 190 Days

Day: 29.4 Hours

Environment

Temp: 173 °C

Axial Tilt: 3.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.65 AU - 0.91 AU

Year: 249 Days

Day: 13.9 Hours

Environment

Temp: 118 °C

Axial Tilt: 12.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 89,686,103 km

• M1: 202,406 km (0.115 R)
• M2: 376,538 km (0.064 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.99 AU - 1.47 AU

Year: 493 Days

Day: 41.5 Hours

Environment

Temp: 11 °C

Axial Tilt: 38.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.88 AU - 2.42 AU

Year: 1140 Days

Day: 37.2 Hours

Environment

Temp: -74 °C

Axial Tilt: 46.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,686,103 km

• M1: 36,053 km (0.11 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.08 AU - 2.56 AU

Year: 1278 Days

Day: 41.2 Hours

Environment

Temp: -73 °C

Axial Tilt: 64.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 89,686,103 km

• M1: 58,044 km (0.074 R)
• M2: 186,549 km (0.093 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.48 AU - 4.12 AU

Year: 2168 Days

Day: 36.6 Hours

Environment

Temp: -98 °C

Axial Tilt: 160.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,686,103 km

• M1: 3,030,254 km (0.103 R)

Asteroid Belt

Center: 5.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476

Radius: 15

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 7.79 AU - 8.97 AU

Year: 8773 Days

Day: 10.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,686,103 km

• M1: 186,549 km (0.103 R)
• M2: 715,227 km (0.047 R)
• M3: 2,448,319 km (0.111 R)
• M4: 3,096,526 km (0.099 R)
• M5: 3,621,764 km (0.063 R)
• M6: 4,155,679 km (0.091 R)
• M7: 5,262,853 km (0.076 R)
• M8: 7,282,275 km (0.103 R)
• M9: 11,676,862 km (0.062 R)
• M10: 12,469,731 km (0.038 R)
• M11: 13,354,602 km (0.105 R)
• M12: 14,519,221 km (0.099 R)
• M13: 18,989,355 km (0.071 R)
• M14: 20,764,932 km (0.084 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.8

Radius: 8.1

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 8.49 AU - 13.05 AU

Year: 12782 Days

Day: 12.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,686,103 km

• M1: 100,829 km (0.116 R)
• M2: 362,625 km (0.042 R)
• M3: 1,147,864 km (0.085 R)
• M4: 2,033,484 km (0.059 R)
• M5: 2,696,202 km (0.112 R)
• M6: 2,953,660 km (0.07 R)
• M7: 4,025,380 km (0.062 R)
• M8: 13,232,979 km (0.089 R)
• M9: 15,562,966 km (0.098 R)
• M10: 15,816,384 km (0.042 R)
• M11: 18,718,434 km (0.046 R)
• M12: 20,181,800 km (0.108 R)
• M13: 26,171,399 km (0.113 R)
• M14: 28,752,112 km (0.114 R)
• M15: 29,422,760 km (0.088 R)
• M16: 30,103,879 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.6

Radius: 4.3

Gravity: 25.45 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 19.1 AU - 19.68 AU

Year: 30879 Days

Day: 24.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,686,103 km

• M1: 101,128 km (0.09 R)
• M2: 517,609 km (0.053 R)
• M3: 1,798,166 km (0.049 R)
• M4: 4,447,993 km (0.101 R)
• M5: 5,920,037 km (0.118 R)
• M6: 12,729,432 km (0.114 R)
• M7: 12,875,889 km (0.064 R)
• M8: 13,247,191 km (0.104 R)
• M9: 13,779,011 km (0.084 R)
• M10: 17,004,790 km (0.09 R)
• M11: 21,004,588 km (0.091 R)
• M12: 25,356,839 km (0.056 R)
• M13: 28,611,490 km (0.095 R)
• M14: 29,755,316 km (0.12 R)
• M15: 44,245,814 km (0.103 R)
• M16: 56,667,973 km (0.086 R)
• M17: 57,463,534 km (0.044 R)
• M18: 69,395,161 km (0.081 R)
• M19: 79,602,822 km (0.047 R)

Kuiper Belt

Range: 30.3 - 53.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 16,926 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit