🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.5 AU - 0.82 AU

Year: 237 Days

Day: 17.7 Hours

Environment

Temp: -4 °C

Axial Tilt: 10.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 38,322,008 km

• M1: 38,596 km (0.064 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.75 AU - 0.75 AU

Year: 288 Days

Day: 29.1 Hours

Environment

Temp: -33 °C

Axial Tilt: 41.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.5

Radius: 12.6

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.15 AU - 5.11 AU

Year: 3718 Days

Day: 11.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,322,008 km

• M1: 156,629 km (0.12 R)
• M2: 575,054 km (0.101 R)
• M3: 1,133,353 km (0.113 R)
• M4: 2,398,652 km (0.103 R)
• M5: 2,843,706 km (0.115 R)
• M6: 3,266,320 km (0.034 R)
• M7: 3,968,682 km (0.06 R)
• M8: 4,999,112 km (0.104 R)
• M9: 5,647,469 km (0.092 R)
• M10: 6,598,762 km (0.054 R)
• M11: 8,149,643 km (0.105 R)
• M12: 8,704,651 km (0.119 R)
• M13: 9,363,780 km (0.095 R)
• M14: 10,479,181 km (0.052 R)
• M15: 11,588,898 km (0.09 R)
• M16: 14,949,315 km (0.084 R)
• M17: 15,557,131 km (0.113 R)
• M18: 17,907,464 km (0.099 R)
• M19: 23,155,506 km (0.045 R)
• M20: 25,733,975 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.9

Radius: 9.2

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.37 AU - 8.19 AU

Year: 9612 Days

Day: 5.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 38,322,008 km

• M1: 121,174 km (0.097 R)
• M2: 532,419 km (0.066 R)
• M3: 1,017,565 km (0.111 R)
• M4: 1,550,881 km (0.086 R)
• M5: 2,081,355 km (0.111 R)
• M6: 2,671,369 km (0.085 R)
• M7: 3,109,990 km (0.091 R)
• M8: 3,689,682 km (0.119 R)
• M9: 4,261,146 km (0.052 R)
• M10: 5,997,977 km (0.06 R)
• M11: 7,190,122 km (0.107 R)
• M12: 8,081,726 km (0.118 R)
• M13: 9,132,501 km (0.098 R)
• M14: 9,487,347 km (0.096 R)
• M15: 10,802,013 km (0.109 R)
• M16: 11,148,931 km (0.109 R)
• M17: 11,709,025 km (0.062 R)
• M18: 15,409,478 km (0.092 R)
• M19: 17,489,637 km (0.102 R)
• M20: 22,119,392 km (0.065 R)
• M21: 22,438,185 km (0.073 R)
• M22: 22,760,269 km (0.106 R)
• M23: 25,535,459 km (0.086 R)
• M24: 26,508,443 km (0.071 R)
• M25: 28,622,710 km (0.065 R)
• M26: 29,479,756 km (0.081 R)
• M27: 30,946,264 km (0.079 R)
• M28: 34,235,922 km (0.099 R)
• M29: 36,962,941 km (0.074 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: 184 - 11,883 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit