🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.7 AU - 1.04 AU

Year: 285 Days

Day: 24.8 Hours

Environment

Temp: 164 °C

Axial Tilt: 0.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.93 AU - 1.43 AU

Year: 451 Days

Day: 14.9 Hours

Environment

Temp: 25 °C

Axial Tilt: 32.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 75,380,666 km

• M1: 62,981 km (0.047 R)
• M2: 149,598 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.42 AU - 5.94 AU

Year: 4144 Days

Day: 25.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.04 AU - 5.36 AU

Year: 4168 Days

Day: 17.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,380,666 km

• M1: 759,658 km (0.035 R)

Asteroid Belt

Center: 5.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278

Radius: 8.3

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.98 AU - 7.98 AU

Year: 5798 Days

Day: 5.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,380,666 km

• M1: 106,813 km (0.117 R)
• M2: 272,418 km (0.034 R)
• M3: 505,790 km (0.117 R)
• M4: 748,139 km (0.114 R)
• M5: 1,135,747 km (0.044 R)
• M6: 1,391,709 km (0.096 R)
• M7: 2,403,888 km (0.053 R)
• M8: 2,619,309 km (0.076 R)
• M9: 3,269,910 km (0.103 R)
• M10: 4,437,522 km (0.059 R)
• M11: 4,774,117 km (0.087 R)
• M12: 5,623,833 km (0.117 R)
• M13: 6,772,894 km (0.105 R)
• M14: 7,188,776 km (0.069 R)
• M15: 7,563,070 km (0.106 R)
• M16: 7,919,262 km (0.089 R)
• M17: 8,919,324 km (0.113 R)
• M18: 10,936,502 km (0.108 R)
• M19: 11,331,590 km (0.113 R)
• M20: 12,489,477 km (0.068 R)
• M21: 13,667,710 km (0.096 R)
• M22: 14,558,117 km (0.12 R)
• M23: 17,152,892 km (0.076 R)
• M24: 17,440,569 km (0.055 R)
• M25: 19,304,408 km (0.055 R)
• M26: 20,900,169 km (0.1 R)
• M27: 21,400,574 km (0.085 R)
• M28: 22,653,755 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.5

Radius: 8.6

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 9.13 AU - 9.95 AU

Year: 10356 Days

Day: 5.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,380,666 km

• M1: 114,293 km (0.069 R)
• M2: 278,252 km (0.073 R)
• M3: 1,850,376 km (0.054 R)
• M4: 3,738,451 km (0.082 R)
• M5: 4,302,884 km (0.091 R)
• M6: 4,540,146 km (0.047 R)
• M7: 4,908,157 km (0.065 R)
• M8: 5,520,760 km (0.064 R)
• M9: 6,240,774 km (0.09 R)
• M10: 9,395,045 km (0.12 R)
• M11: 10,376,856 km (0.051 R)
• M12: 11,991,017 km (0.062 R)
• M13: 15,685,337 km (0.05 R)
• M14: 17,302,789 km (0.078 R)
• M15: 17,480,810 km (0.081 R)
• M16: 21,431,541 km (0.09 R)
• M17: 21,696,030 km (0.044 R)
• M18: 22,162,775 km (0.051 R)
• M19: 25,139,623 km (0.09 R)
• M20: 25,714,228 km (0.051 R)
• M21: 28,456,657 km (0.12 R)
• M22: 33,943,607 km (0.069 R)
• M23: 34,947,259 km (0.102 R)
• M24: 35,965,722 km (0.08 R)
• M25: 37,259,444 km (0.03 R)
• M26: 40,005,612 km (0.09 R)
• M27: 45,888,249 km (0.109 R)
• M28: 48,632,622 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.1

Radius: 6.7

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 19.11 AU - 20.67 AU

Year: 31177 Days

Day: 20.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,380,666 km

• M1: 345,421 km (0.116 R)
• M2: 945,459 km (0.067 R)
• M3: 1,754,933 km (0.119 R)
• M4: 2,604,948 km (0.112 R)
• M5: 2,744,672 km (0.07 R)
• M6: 6,242,270 km (0.102 R)
• M7: 7,507,270 km (0.104 R)
• M8: 8,787,678 km (0.115 R)
• M9: 10,447,317 km (0.117 R)
• M10: 13,812,222 km (0.102 R)
• M11: 29,027,672 km (0.078 R)
• M12: 30,445,111 km (0.086 R)
• M13: 30,828,830 km (0.106 R)
• M14: 31,021,512 km (0.043 R)
• M15: 31,506,060 km (0.113 R)
• M16: 50,713,229 km (0.088 R)
• M17: 56,944,878 km (0.078 R)
• M18: 60,668,220 km (0.117 R)
• M19: 61,617,568 km (0.117 R)
• M20: 62,026,568 km (0.078 R)
• M21: 63,953,688 km (0.118 R)
• M22: 66,757,751 km (0.052 R)
• M23: 72,251,433 km (0.077 R)
• M24: 73,435,650 km (0.076 R)
• M25: 73,733,200 km (0.102 R)

Kuiper Belt

Range: 31.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 13,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit