🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.71 AU - 1.11 AU

Year: 319 Days

Day: 44.8 Hours

Environment

Temp: 88 °C

Axial Tilt: 18.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.77 AU - 1.83 AU

Year: 887 Days

Day: 37.6 Hours

Environment

Temp: -54 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.84 AU - 2.28 AU

Year: 1085 Days

Day: 40.5 Hours

Environment

Temp: -70 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.08 AU - 2.14 AU

Year: 1125 Days

Day: 14.2 Hours

Environment

Temp: -66 °C

Axial Tilt: 46.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.26 AU - 5.06 AU

Year: 3693 Days

Day: 21.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.59 AU - 5.77 AU

Year: 3717 Days

Day: 35.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 78,872,520 km

• M1: 255,214 km (0.116 R)
• M2: 1,814,024 km (0.081 R)

Asteroid Belt

Center: 6.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.9

Radius: 8.2

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.98 AU - 10.08 AU

Year: 9145 Days

Day: 7.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,872,520 km

• M1: 102,325 km (0.103 R)
• M2: 737,218 km (0.105 R)
• M3: 1,964,220 km (0.087 R)
• M4: 3,533,502 km (0.08 R)
• M5: 4,060,086 km (0.095 R)
• M6: 5,326,731 km (0.08 R)
• M7: 7,993,014 km (0.042 R)
• M8: 8,261,991 km (0.115 R)
• M9: 13,541,599 km (0.081 R)
• M10: 14,258,622 km (0.119 R)
• M11: 16,009,216 km (0.086 R)
• M12: 17,768,188 km (0.044 R)
• M13: 18,095,358 km (0.112 R)
• M14: 20,714,518 km (0.101 R)
• M15: 23,892,126 km (0.053 R)
• M16: 25,513,618 km (0.078 R)
• M17: 31,862,701 km (0.106 R)
• M18: 32,443,141 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.6

Radius: 3.5

Gravity: 14.91 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 11.05 AU - 16.09 AU

Year: 18350 Days

Day: 17.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,872,520 km

• M1: 43,533 km (0.077 R)
• M2: 159,771 km (0.094 R)
• M3: 483,650 km (0.105 R)
• M4: 658,530 km (0.12 R)
• M5: 1,315,863 km (0.037 R)
• M6: 1,795,773 km (0.084 R)
• M7: 2,271,344 km (0.065 R)
• M8: 3,845,862 km (0.057 R)
• M9: 5,545,144 km (0.079 R)
• M10: 6,501,374 km (0.087 R)
• M11: 7,077,774 km (0.116 R)
• M12: 12,324,172 km (0.112 R)
• M13: 14,761,570 km (0.095 R)
• M14: 16,787,424 km (0.09 R)
• M15: 18,838,561 km (0.117 R)
• M16: 21,546,282 km (0.079 R)
• M17: 22,219,024 km (0.084 R)
• M18: 25,142,765 km (0.033 R)
• M19: 27,325,397 km (0.101 R)
• M20: 27,521,071 km (0.087 R)
• M21: 28,013,996 km (0.091 R)
• M22: 28,613,435 km (0.053 R)
• M23: 28,916,221 km (0.081 R)
• M24: 33,383,662 km (0.087 R)
• M25: 38,167,503 km (0.108 R)
• M26: 40,913,372 km (0.092 R)
• M27: 41,297,689 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.7

Radius: 5.6

Gravity: 21.23 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 11.9 AU - 18.18 AU

Year: 21411 Days

Day: 22.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,872,520 km

• M1: 69,713 km (0.077 R)
• M2: 430,094 km (0.075 R)
• M3: 820,544 km (0.11 R)
• M4: 1,159,084 km (0.1 R)
• M5: 2,700,541 km (0.099 R)
• M6: 6,291,338 km (0.118 R)
• M7: 7,740,044 km (0.085 R)
• M8: 10,400,493 km (0.065 R)
• M9: 11,278,333 km (0.067 R)
• M10: 14,358,254 km (0.064 R)
• M11: 16,336,536 km (0.08 R)
• M12: 23,139,649 km (0.058 R)
• M13: 28,874,184 km (0.076 R)
• M14: 31,104,838 km (0.091 R)
• M15: 40,114,819 km (0.076 R)
• M16: 49,669,934 km (0.106 R)
• M17: 51,071,965 km (0.073 R)
• M18: 56,564,750 km (0.088 R)
• M19: 58,286,322 km (0.102 R)
• M20: 63,047,275 km (0.102 R)
• M21: 67,633,197 km (0.098 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 10,269 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit