🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.52 AU - 0.62 AU

Year: 192 Days

Day: 45.9 Hours

Environment

Temp: 0 °C

Axial Tilt: 17.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 40,300,931 km

• M1: 429,346 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.59 AU - 0.87 AU

Year: 278 Days

Day: 34.2 Hours

Environment

Temp: -42 °C

Axial Tilt: 49.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,300,931 km

• M1: 457,171 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.86 AU - 0.96 AU

Year: 387 Days

Day: 38.6 Hours

Environment

Temp: -53 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,300,931 km

• M1: 78,988 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.89 AU - 1.12 AU

Year: 446 Days

Day: 36.2 Hours

Environment

Temp: -65 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,300,931 km

• M1: 32,612 km (0.076 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.26 AU - 1.94 AU

Year: 903 Days

Day: 43.3 Hours

Environment

Temp: -99 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.31 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577

Radius: 13.8

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.44 AU - 3.58 AU

Year: 2330 Days

Day: 7.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,300,931 km

• M1: 173,085 km (0.108 R)
• M2: 732,880 km (0.091 R)
• M3: 1,728,454 km (0.109 R)
• M4: 2,280,171 km (0.111 R)
• M5: 3,136,020 km (0.039 R)
• M6: 3,692,524 km (0.047 R)
• M7: 4,275,208 km (0.103 R)
• M8: 4,810,619 km (0.107 R)
• M9: 5,507,745 km (0.108 R)
• M10: 6,479,383 km (0.081 R)
• M11: 7,217,050 km (0.115 R)
• M12: 7,680,205 km (0.114 R)
• M13: 8,349,506 km (0.11 R)
• M14: 10,853,176 km (0.109 R)
• M15: 12,014,654 km (0.108 R)
• M16: 13,086,971 km (0.108 R)
• M17: 14,767,703 km (0.102 R)
• M18: 15,660,055 km (0.084 R)
• M19: 16,488,827 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.9

Radius: 10.9

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.01 AU - 3.23 AU

Year: 2459 Days

Day: 11.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,300,931 km

• M1: 135,685 km (0.055 R)
• M2: 526,435 km (0.041 R)
• M3: 968,497 km (0.087 R)
• M4: 1,593,965 km (0.036 R)
• M5: 2,330,436 km (0.059 R)
• M6: 2,921,946 km (0.106 R)
• M7: 4,560,341 km (0.1 R)
• M8: 5,093,508 km (0.089 R)
• M9: 5,539,460 km (0.113 R)
• M10: 6,828,245 km (0.1 R)
• M11: 7,943,348 km (0.087 R)
• M12: 8,374,489 km (0.1 R)
• M13: 9,032,869 km (0.085 R)
• M14: 10,103,990 km (0.085 R)
• M15: 10,531,690 km (0.025 R)
• M16: 16,333,096 km (0.108 R)
• M17: 17,750,236 km (0.1 R)
• M18: 19,366,342 km (0.046 R)
• M19: 19,785,216 km (0.049 R)
• M20: 20,517,498 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.9

Radius: 10.5

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.69 AU - 9.37 AU

Year: 9220 Days

Day: 11.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,300,931 km

• M1: 131,048 km (0.098 R)
• M2: 570,117 km (0.051 R)
• M3: 939,026 km (0.082 R)
• M4: 1,422,377 km (0.069 R)
• M5: 2,004,761 km (0.104 R)
• M6: 2,550,344 km (0.075 R)
• M7: 3,022,475 km (0.113 R)
• M8: 5,212,439 km (0.096 R)
• M9: 5,713,891 km (0.106 R)
• M10: 8,008,872 km (0.081 R)
• M11: 9,159,130 km (0.094 R)
• M12: 9,750,640 km (0.09 R)
• M13: 10,562,657 km (0.099 R)
• M14: 10,959,989 km (0.112 R)
• M15: 13,098,790 km (0.116 R)
• M16: 14,629,774 km (0.045 R)
• M17: 16,740,750 km (0.088 R)
• M18: 29,219,905 km (0.115 R)
• M19: 30,401,728 km (0.098 R)
• M20: 37,020,237 km (0.037 R)
• M21: 38,754,525 km (0.094 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 19,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit