🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.52 AU - 0.58 AU

Year: 154 Days

Day: 41.8 Hours

Environment

Temp: 138 °C

Axial Tilt: 47.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.55 AU - 0.63 AU

Year: 171 Days

Day: 40.3 Hours

Environment

Temp: 187 °C

Axial Tilt: 23.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.68 AU - 1.08 AU

Year: 311 Days

Day: 34.8 Hours

Environment

Temp: 28 °C

Axial Tilt: 18.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.84 AU - 1.14 AU

Year: 371 Days

Day: 16.9 Hours

Environment

Temp: 30 °C

Axial Tilt: 10.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.58 AU - 2.02 AU

Year: 910 Days

Day: 14.6 Hours

Environment

Temp: -61 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.08 AU - 3.3 AU

Year: 1662 Days

Day: 16.9 Hours

Environment

Temp: -106 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871

Radius: 14.3

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.34 AU - 9.7 AU

Year: 9369 Days

Day: 13.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,657,362 km

• M1: 178,321 km (0.065 R)
• M2: 1,847,384 km (0.107 R)
• M3: 2,586,996 km (0.097 R)
• M4: 3,567,460 km (0.119 R)
• M5: 4,312,308 km (0.063 R)
• M6: 5,588,677 km (0.097 R)
• M7: 7,103,804 km (0.071 R)
• M8: 8,601,578 km (0.114 R)
• M9: 9,744,506 km (0.112 R)
• M10: 11,871,339 km (0.07 R)
• M11: 14,813,032 km (0.101 R)
• M12: 16,953,328 km (0.111 R)
• M13: 17,537,658 km (0.111 R)
• M14: 19,769,209 km (0.082 R)
• M15: 25,543,537 km (0.091 R)
• M16: 26,506,648 km (0.108 R)
• M17: 30,282,050 km (0.116 R)
• M18: 35,695,698 km (0.096 R)
• M19: 39,261,213 km (0.113 R)
• M20: 45,814,647 km (0.065 R)
• M21: 46,521,796 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.6

Radius: 12.1

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 8.62 AU - 9.32 AU

Year: 10121 Days

Day: 10.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,657,362 km

• M1: 150,495 km (0.085 R)
• M2: 567,275 km (0.084 R)
• M3: 1,125,126 km (0.112 R)
• M4: 1,519,316 km (0.112 R)
• M5: 3,306,861 km (0.049 R)
• M6: 3,862,617 km (0.072 R)
• M7: 4,267,279 km (0.1 R)
• M8: 4,956,626 km (0.11 R)
• M9: 6,045,250 km (0.034 R)
• M10: 7,988,377 km (0.066 R)
• M11: 8,480,703 km (0.07 R)
• M12: 8,949,693 km (0.063 R)
• M13: 13,868,770 km (0.046 R)
• M14: 16,079,378 km (0.096 R)
• M15: 18,872,519 km (0.112 R)
• M16: 20,956,418 km (0.088 R)
• M17: 24,278,388 km (0.086 R)
• M18: 27,564,455 km (0.1 R)
• M19: 31,539,569 km (0.086 R)
• M20: 31,946,775 km (0.106 R)
• M21: 33,929,246 km (0.041 R)
• M22: 38,252,924 km (0.071 R)
• M23: 39,066,138 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.4

Radius: 6.9

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 13.28 AU - 13.74 AU

Year: 18707 Days

Day: 22.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,657,362 km

• M1: 85,869 km (0.103 R)
• M2: 618,438 km (0.112 R)
• M3: 1,101,190 km (0.1 R)
• M4: 1,726,210 km (0.109 R)
• M5: 2,964,581 km (0.063 R)
• M6: 9,774,126 km (0.102 R)
• M7: 11,405,042 km (0.043 R)
• M8: 12,610,053 km (0.027 R)
• M9: 13,277,260 km (0.116 R)
• M10: 17,949,351 km (0.026 R)
• M11: 18,793,233 km (0.089 R)
• M12: 30,596,505 km (0.082 R)
• M13: 32,659,459 km (0.067 R)
• M14: 33,915,483 km (0.094 R)
• M15: 38,982,064 km (0.071 R)
• M16: 44,530,798 km (0.044 R)
• M17: 54,327,065 km (0.092 R)
• M18: 56,982,577 km (0.087 R)
• M19: 63,126,861 km (0.074 R)
• M20: 66,657,370 km (0.099 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: 150 - 19,370 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit