🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.58 AU - 0.64 AU

Year: 180 Days

Day: 18.9 Hours

Environment

Temp: 139 °C

Axial Tilt: 7.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 78,811,412 km

• M1: 45,478 km (0.107 R)
• M2: 71,209 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.99 AU - 1.21 AU

Year: 437 Days

Day: 17.4 Hours

Environment

Temp: 8 °C

Axial Tilt: 16.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.93 AU - 3.29 AU

Year: 2077 Days

Day: 43 Hours

Environment

Temp: -125 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.65 AU - 4.71 AU

Year: 3237 Days

Day: 38.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 47.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.05 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.1

Radius: 8.8

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.04 AU - 9.78 AU

Year: 8426 Days

Day: 13.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,811,412 km

• M1: 111,750 km (0.025 R)
• M2: 529,277 km (0.054 R)
• M3: 937,829 km (0.085 R)
• M4: 1,347,278 km (0.118 R)
• M5: 1,906,924 km (0.112 R)
• M6: 3,434,318 km (0.093 R)
• M7: 3,932,330 km (0.118 R)
• M8: 4,277,302 km (0.089 R)
• M9: 9,630,812 km (0.09 R)
• M10: 12,803,184 km (0.067 R)
• M11: 13,955,088 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.4

Radius: 12.1

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.18 AU - 11.96 AU

Year: 11213 Days

Day: 13.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,811,412 km

• M1: 150,495 km (0.089 R)
• M2: 753,375 km (0.054 R)
• M3: 1,368,821 km (0.082 R)
• M4: 2,338,065 km (0.063 R)
• M5: 5,618,597 km (0.053 R)
• M6: 6,707,071 km (0.086 R)
• M7: 9,897,246 km (0.107 R)
• M8: 11,636,919 km (0.053 R)
• M9: 14,043,051 km (0.107 R)
• M10: 19,150,472 km (0.047 R)
• M11: 20,120,166 km (0.108 R)
• M12: 22,319,703 km (0.069 R)
• M13: 23,985,924 km (0.095 R)
• M14: 31,076,863 km (0.025 R)
• M15: 36,661,352 km (0.109 R)
• M16: 38,038,999 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.7

Radius: 11.2

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 10.48 AU - 10.8 AU

Year: 13145 Days

Day: 14.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 89.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,811,412 km

• M1: 141,669 km (0.041 R)
• M2: 545,883 km (0.081 R)
• M3: 1,130,362 km (0.079 R)
• M4: 1,511,686 km (0.088 R)
• M5: 1,962,425 km (0.078 R)
• M6: 3,090,842 km (0.108 R)
• M7: 4,265,185 km (0.039 R)
• M8: 5,495,927 km (0.116 R)
• M9: 7,743,186 km (0.095 R)
• M10: 8,162,209 km (0.117 R)
• M11: 10,210,503 km (0.116 R)
• M12: 10,829,240 km (0.033 R)
• M13: 14,583,848 km (0.114 R)
• M14: 15,152,020 km (0.089 R)
• M15: 28,296,587 km (0.118 R)
• M16: 34,253,724 km (0.12 R)
• M17: 36,024,364 km (0.109 R)
• M18: 42,558,949 km (0.085 R)
• M19: 46,408,551 km (0.045 R)
• M20: 53,609,444 km (0.084 R)
• M21: 56,339,306 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.1

Radius: 6.8

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 18.63 AU - 19.55 AU

Year: 31591 Days

Day: 20.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,811,412 km

• M1: 84,672 km (0.075 R)
• M2: 334,650 km (0.103 R)
• M3: 607,667 km (0.091 R)
• M4: 911,500 km (0.115 R)
• M5: 1,344,436 km (0.108 R)
• M6: 3,317,333 km (0.049 R)
• M7: 9,010,579 km (0.105 R)
• M8: 11,411,625 km (0.094 R)
• M9: 19,121,001 km (0.067 R)
• M10: 20,433,424 km (0.086 R)
• M11: 22,410,958 km (0.03 R)
• M12: 24,620,967 km (0.087 R)
• M13: 29,346,913 km (0.113 R)
• M14: 30,710,648 km (0.068 R)
• M15: 32,768,815 km (0.085 R)
• M16: 35,468,758 km (0.109 R)
• M17: 35,746,561 km (0.106 R)
• M18: 41,923,307 km (0.097 R)
• M19: 49,290,853 km (0.095 R)
• M20: 49,984,837 km (0.089 R)
• M21: 50,861,182 km (0.086 R)
• M22: 59,215,475 km (0.04 R)
• M23: 64,642,586 km (0.118 R)
• M24: 68,010,184 km (0.052 R)
• M25: 68,439,231 km (0.061 R)
• M26: 69,302,560 km (0.069 R)
• M27: 70,173,220 km (0.031 R)
• M28: 76,936,988 km (0.084 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 16,554 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit