🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.69 AU - 0.95 AU

Year: 278 Days

Day: 35.3 Hours

Environment

Temp: 80 °C

Axial Tilt: 23.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.76 AU - 1.14 AU

Year: 347 Days

Day: 21.3 Hours

Environment

Temp: 21 °C

Axial Tilt: 23.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.91 AU - 1.41 AU

Year: 468 Days

Day: 18.5 Hours

Environment

Temp: 7 °C

Axial Tilt: 27.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.09 AU - 1.53 AU

Year: 562 Days

Day: 23.3 Hours

Environment

Temp: -39 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.34 AU - 3.24 AU

Year: 1746 Days

Day: 22.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 43.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,381,509 km

• M1: 237,113 km (0.098 R)

Asteroid Belt

Center: 4.31 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.5

Radius: 13.9

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.01 AU - 6.63 AU

Year: 5262 Days

Day: 5.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,381,509 km

• M1: 172,935 km (0.095 R)
• M2: 903,122 km (0.047 R)
• M3: 1,395,748 km (0.094 R)
• M4: 1,836,463 km (0.1 R)
• M5: 2,386,984 km (0.118 R)
• M6: 2,837,273 km (0.113 R)
• M7: 3,500,590 km (0.088 R)
• M8: 4,616,441 km (0.118 R)
• M9: 5,088,572 km (0.102 R)
• M10: 5,759,368 km (0.066 R)
• M11: 6,828,245 km (0.088 R)
• M12: 7,611,839 km (0.066 R)
• M13: 8,600,830 km (0.082 R)
• M14: 10,326,143 km (0.059 R)
• M15: 10,791,392 km (0.088 R)
• M16: 11,270,704 km (0.096 R)
• M17: 15,744,577 km (0.059 R)
• M18: 16,248,722 km (0.104 R)
• M19: 20,745,036 km (0.113 R)
• M20: 21,624,671 km (0.114 R)
• M21: 22,318,058 km (0.034 R)
• M22: 25,241,200 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.1

Radius: 13.3

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.18 AU - 8.62 AU

Year: 9123 Days

Day: 12.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,381,509 km

• M1: 172,038 km (0.102 R)
• M2: 1,419,085 km (0.09 R)
• M3: 3,030,254 km (0.102 R)
• M4: 3,663,053 km (0.114 R)
• M5: 4,328,465 km (0.106 R)
• M6: 6,071,579 km (0.106 R)
• M7: 7,952,174 km (0.111 R)
• M8: 8,672,488 km (0.115 R)
• M9: 9,668,810 km (0.029 R)
• M10: 10,740,080 km (0.107 R)
• M11: 11,567,805 km (0.105 R)
• M12: 12,437,567 km (0.063 R)
• M13: 14,307,540 km (0.108 R)
• M14: 15,374,024 km (0.061 R)
• M15: 16,560,335 km (0.118 R)
• M16: 18,020,410 km (0.067 R)
• M17: 21,116,039 km (0.093 R)
• M18: 21,596,996 km (0.075 R)
• M19: 24,904,006 km (0.105 R)
• M20: 26,261,308 km (0.083 R)
• M21: 30,936,540 km (0.087 R)
• M22: 32,824,316 km (0.083 R)
• M23: 34,344,829 km (0.096 R)
• M24: 37,995,765 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.1

Radius: 3.7

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 10.83 AU - 13.39 AU

Year: 15792 Days

Day: 18.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,381,509 km

• M1: 46,076 km (0.106 R)
• M2: 212,279 km (0.102 R)
• M3: 392,246 km (0.071 R)
• M4: 517,609 km (0.077 R)
• M5: 988,393 km (0.117 R)
• M6: 1,363,734 km (0.119 R)
• M7: 2,477,640 km (0.082 R)
• M8: 2,975,502 km (0.08 R)
• M9: 3,866,806 km (0.036 R)
• M10: 4,294,656 km (0.112 R)
• M11: 5,214,234 km (0.071 R)
• M12: 7,135,519 km (0.099 R)
• M13: 7,933,773 km (0.096 R)
• M14: 10,539,918 km (0.117 R)
• M15: 11,420,750 km (0.1 R)
• M16: 12,243,987 km (0.117 R)
• M17: 13,778,413 km (0.099 R)
• M18: 18,719,630 km (0.079 R)
• M19: 21,048,271 km (0.094 R)
• M20: 25,403,214 km (0.093 R)
• M21: 30,322,142 km (0.107 R)
• M22: 30,515,572 km (0.062 R)
• M23: 33,003,684 km (0.1 R)
• M24: 33,311,107 km (0.107 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 12,986 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit