🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.45 AU - 0.61 AU

Year: 147 Days

Day: 29.1 Hours

Environment

Temp: 165 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.69 AU - 0.95 AU

Year: 283 Days

Day: 41.9 Hours

Environment

Temp: 85 °C

Axial Tilt: 32.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.87 AU - 0.91 AU

Year: 320 Days

Day: 31.5 Hours

Environment

Temp: 20 °C

Axial Tilt: 26.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.15 AU - 1.71 AU

Year: 651 Days

Day: 13.2 Hours

Environment

Temp: -39 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.93 AU - 4.73 AU

Year: 2854 Days

Day: 39.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,378,208 km

• M1: 3,345,756 km (0.109 R)

Asteroid Belt

Center: 4.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97

Radius: 10.8

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.99 AU - 6.11 AU

Year: 4321 Days

Day: 13.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,378,208 km

• M1: 172,337 km (0.093 R)
• M2: 602,281 km (0.088 R)
• M3: 1,032,973 km (0.115 R)
• M4: 1,397,843 km (0.031 R)
• M5: 1,768,247 km (0.034 R)
• M6: 2,204,773 km (0.117 R)
• M7: 3,024,869 km (0.092 R)
• M8: 3,654,826 km (0.074 R)
• M9: 4,001,294 km (0.11 R)
• M10: 4,504,392 km (0.039 R)
• M11: 5,936,791 km (0.109 R)
• M12: 6,467,565 km (0.098 R)
• M13: 8,311,059 km (0.102 R)
• M14: 10,412,760 km (0.116 R)
• M15: 11,078,321 km (0.098 R)
• M16: 11,997,001 km (0.055 R)
• M17: 13,530,529 km (0.042 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.1

Radius: 14

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.24 AU - 6.24 AU

Year: 4568 Days

Day: 6.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,378,208 km

• M1: 174,581 km (0.053 R)
• M2: 627,114 km (0.032 R)
• M3: 1,139,337 km (0.069 R)
• M4: 1,978,881 km (0.064 R)
• M5: 2,826,353 km (0.107 R)
• M6: 6,645,137 km (0.045 R)
• M7: 7,518,939 km (0.117 R)
• M8: 8,214,718 km (0.119 R)
• M9: 18,832,726 km (0.059 R)
• M10: 25,536,955 km (0.112 R)
• M11: 26,237,073 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 360.4

Radius: 4.3

Gravity: 19.49 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 17.99 AU - 19.17 AU

Year: 30498 Days

Day: 23.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 81,378,208 km

• M1: 85,121 km (0.12 R)
• M2: 258,056 km (0.034 R)
• M3: 439,070 km (0.061 R)
• M4: 576,849 km (0.115 R)
• M5: 1,108,969 km (0.102 R)
• M6: 1,601,445 km (0.101 R)
• M7: 2,360,804 km (0.105 R)
• M8: 2,923,292 km (0.068 R)
• M9: 3,510,464 km (0.083 R)
• M10: 7,414,968 km (0.105 R)
• M11: 7,563,369 km (0.108 R)
• M12: 8,020,989 km (0.086 R)
• M13: 8,550,865 km (0.028 R)
• M14: 8,714,226 km (0.09 R)
• M15: 9,388,912 km (0.104 R)
• M16: 9,562,745 km (0.111 R)
• M17: 11,032,843 km (0.119 R)
• M18: 11,956,460 km (0.101 R)
• M19: 14,412,109 km (0.08 R)
• M20: 17,184,158 km (0.101 R)
• M21: 24,294,545 km (0.042 R)
• M22: 26,537,765 km (0.085 R)
• M23: 27,590,784 km (0.095 R)
• M24: 28,187,680 km (0.034 R)
• M25: 30,916,494 km (0.041 R)
• M26: 34,637,592 km (0.105 R)
• M27: 35,053,175 km (0.06 R)
• M28: 36,177,552 km (0.096 R)
• M29: 39,694,748 km (0.086 R)
• M30: 42,477,418 km (0.102 R)
• M31: 49,120,910 km (0.09 R)
• M32: 52,870,730 km (0.071 R)
• M33: 56,233,241 km (0.105 R)
• M34: 58,161,408 km (0.086 R)
• M35: 58,356,633 km (0.089 R)
• M36: 60,332,821 km (0.048 R)
• M37: 64,209,650 km (0.084 R)
• M38: 66,955,818 km (0.12 R)
• M39: 69,999,686 km (0.076 R)
• M40: 70,441,897 km (0.101 R)
• M41: 71,108,805 km (0.096 R)
• M42: 72,455,036 km (0.092 R)
• M43: 75,198,362 km (0.119 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: 337 - 17,523 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit