🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.59 AU - 0.87 AU

Year: 224 Days

Day: 43.8 Hours

Environment

Temp: 125 °C

Axial Tilt: 10.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.8 AU - 1.24 AU

Year: 371 Days

Day: 15.3 Hours

Environment

Temp: 22 °C

Axial Tilt: 29.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 89,351,392 km

• M1: 130,449 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1 AU - 1.42 AU

Year: 479 Days

Day: 19 Hours

Environment

Temp: 3 °C

Axial Tilt: 1.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.62 AU - 2 AU

Year: 876 Days

Day: 43.3 Hours

Environment

Temp: -61 °C

Axial Tilt: 124.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.59 AU - 2.05 AU

Year: 884 Days

Day: 41.3 Hours

Environment

Temp: -48 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.74 AU - 2.84 AU

Year: 1247 Days

Day: 32.9 Hours

Environment

Temp: -71 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.98 AU - 3.86 AU

Year: 2276 Days

Day: 35.6 Hours

Environment

Temp: -104 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.25 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.2

Radius: 13

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.97 AU - 6.19 AU

Year: 4121 Days

Day: 9.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,351,392 km

• M1: 161,715 km (0.039 R)
• M2: 1,042,548 km (0.081 R)
• M3: 1,659,788 km (0.111 R)
• M4: 2,611,829 km (0.1 R)
• M5: 3,201,245 km (0.093 R)
• M6: 3,705,689 km (0.041 R)
• M7: 4,170,340 km (0.095 R)
• M8: 4,648,903 km (0.026 R)
• M9: 5,463,763 km (0.065 R)
• M10: 6,128,277 km (0.066 R)
• M11: 6,621,800 km (0.109 R)
• M12: 7,175,312 km (0.117 R)
• M13: 9,420,028 km (0.109 R)
• M14: 10,079,157 km (0.074 R)
• M15: 11,170,473 km (0.103 R)
• M16: 12,484,541 km (0.041 R)
• M17: 14,056,964 km (0.079 R)
• M18: 14,918,498 km (0.056 R)
• M19: 15,362,205 km (0.069 R)
• M20: 17,962,815 km (0.109 R)
• M21: 19,498,886 km (0.115 R)
• M22: 20,638,672 km (0.08 R)
• M23: 23,644,841 km (0.077 R)
• M24: 24,248,917 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.3

Radius: 7.9

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 12.85 AU - 15.81 AU

Year: 19523 Days

Day: 18.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,351,392 km

• M1: 108,159 km (0.09 R)
• M2: 362,176 km (0.09 R)
• M3: 792,869 km (0.076 R)
• M4: 1,471,893 km (0.043 R)
• M5: 3,947,289 km (0.11 R)
• M6: 4,250,375 km (0.083 R)
• M7: 4,688,696 km (0.078 R)
• M8: 5,156,639 km (0.11 R)
• M9: 6,482,525 km (0.066 R)
• M10: 11,804,469 km (0.112 R)
• M11: 13,827,630 km (0.064 R)
• M12: 20,603,965 km (0.099 R)
• M13: 24,331,794 km (0.107 R)
• M14: 32,198,099 km (0.039 R)
• M15: 33,089,703 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.2

Radius: 7.5

Gravity: 11.36 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 15.51 AU - 19.5 AU

Year: 26347 Days

Day: 23.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,351,392 km

• M1: 93,349 km (0.061 R)
• M2: 432,188 km (0.105 R)
• M3: 1,005,298 km (0.053 R)
• M4: 1,251,685 km (0.106 R)
• M5: 1,644,081 km (0.114 R)
• M6: 2,479,286 km (0.09 R)
• M7: 3,953,124 km (0.104 R)
• M8: 7,440,400 km (0.078 R)
• M9: 12,789,122 km (0.042 R)
• M10: 14,070,278 km (0.036 R)
• M11: 14,943,630 km (0.104 R)
• M12: 19,761,131 km (0.079 R)
• M13: 21,160,768 km (0.112 R)
• M14: 24,946,791 km (0.096 R)
• M15: 25,521,995 km (0.082 R)
• M16: 28,531,904 km (0.095 R)
• M17: 31,502,768 km (0.118 R)
• M18: 43,601,496 km (0.078 R)
• M19: 52,808,198 km (0.089 R)
• M20: 66,692,526 km (0.11 R)
• M21: 72,120,535 km (0.11 R)
• M22: 73,522,118 km (0.107 R)

Kuiper Belt

Range: 30.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 12,492 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit