🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.59 AU - 0.67 AU

Year: 184 Days

Day: 32.3 Hours

Environment

Temp: 216 °C

Axial Tilt: 42.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.73 AU - 0.87 AU

Year: 263 Days

Day: 27.6 Hours

Environment

Temp: 128 °C

Axial Tilt: 10.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.63 AU - 1.01 AU

Year: 273 Days

Day: 42.9 Hours

Environment

Temp: 178 °C

Axial Tilt: 37.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.04 AU - 1.64 AU

Year: 569 Days

Day: 42.7 Hours

Environment

Temp: -12 °C

Axial Tilt: 7.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.15 AU - 1.63 AU

Year: 602 Days

Day: 35.5 Hours

Environment

Temp: -27 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,852,166 km

• M1: 34,408 km (0.073 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.14 AU - 2.36 AU

Year: 1239 Days

Day: 33.1 Hours

Environment

Temp: -71 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.6

Radius: 8

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.47 AU - 5.03 AU

Year: 3800 Days

Day: 14.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,852,166 km

• M1: 99,483 km (0.061 R)
• M2: 553,063 km (0.12 R)
• M3: 978,669 km (0.072 R)
• M4: 1,282,652 km (0.112 R)
• M5: 2,846,548 km (0.068 R)
• M6: 3,173,420 km (0.06 R)
• M7: 3,492,362 km (0.077 R)
• M8: 4,966,949 km (0.087 R)
• M9: 5,853,914 km (0.067 R)
• M10: 7,710,573 km (0.079 R)
• M11: 8,229,977 km (0.078 R)
• M12: 13,340,989 km (0.094 R)
• M13: 14,216,884 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.4

Radius: 3.7

Gravity: 72.49 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 10.79 AU - 14.51 AU

Year: 16516 Days

Day: 19.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 88,852,166 km

• M1: 48,021 km (0.093 R)
• M2: 170,392 km (0.104 R)
• M3: 317,297 km (0.085 R)
• M4: 616,343 km (0.083 R)
• M5: 1,301,801 km (0.104 R)
• M6: 1,990,400 km (0.047 R)
• M7: 2,970,565 km (0.035 R)
• M8: 3,156,066 km (0.103 R)
• M9: 4,072,054 km (0.115 R)
• M10: 4,334,449 km (0.074 R)
• M11: 4,749,134 km (0.071 R)
• M12: 5,778,367 km (0.084 R)
• M13: 5,984,064 km (0.064 R)
• M14: 7,039,926 km (0.071 R)
• M15: 9,011,028 km (0.116 R)
• M16: 11,971,869 km (0.067 R)
• M17: 12,441,606 km (0.097 R)
• M18: 13,998,322 km (0.098 R)
• M19: 14,976,542 km (0.07 R)
• M20: 17,068,369 km (0.034 R)
• M21: 18,183,771 km (0.113 R)
• M22: 18,447,811 km (0.051 R)
• M23: 20,558,637 km (0.111 R)
• M24: 21,328,916 km (0.059 R)
• M25: 21,820,046 km (0.109 R)
• M26: 27,729,761 km (0.058 R)
• M27: 30,488,196 km (0.036 R)
• M28: 34,757,270 km (0.119 R)
• M29: 34,892,507 km (0.076 R)
• M30: 36,822,917 km (0.116 R)
• M31: 39,850,180 km (0.095 R)
• M32: 43,508,147 km (0.071 R)
• M33: 53,078,970 km (0.09 R)
• M34: 57,496,296 km (0.084 R)
• M35: 62,152,231 km (0.118 R)
• M36: 65,186,225 km (0.117 R)
• M37: 70,893,384 km (0.116 R)
• M38: 73,088,882 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.4

Radius: 5.1

Gravity: 18.85 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 16.13 AU - 21.39 AU

Year: 29828 Days

Day: 20.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,852,166 km

• M1: 69,114 km (0.105 R)
• M2: 254,017 km (0.095 R)
• M3: 1,143,676 km (0.078 R)
• M4: 1,417,739 km (0.11 R)
• M5: 2,865,098 km (0.107 R)
• M6: 4,858,939 km (0.107 R)
• M7: 10,006,003 km (0.097 R)
• M8: 12,332,998 km (0.111 R)
• M9: 12,911,493 km (0.113 R)
• M10: 13,432,243 km (0.116 R)
• M11: 17,839,097 km (0.083 R)
• M12: 22,476,930 km (0.064 R)
• M13: 32,517,940 km (0.117 R)
• M14: 34,888,467 km (0.116 R)
• M15: 40,756,593 km (0.092 R)
• M16: 41,233,362 km (0.12 R)
• M17: 49,018,734 km (0.099 R)
• M18: 52,501,074 km (0.101 R)
• M19: 56,537,972 km (0.095 R)
• M20: 73,340,207 km (0.12 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 11,688 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit