🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.5 AU - 0.62 AU

Year: 271 Days

Day: 12.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 49.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418

Radius: 9.3

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.67 AU - 0.69 AU

Year: 362 Days

Day: 11.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,711,858 km

• M1: 116,238 km (0.114 R)
• M2: 453,132 km (0.086 R)
• M3: 836,701 km (0.056 R)
• M4: 1,138,589 km (0.115 R)
• M5: 1,653,655 km (0.098 R)
• M6: 2,212,104 km (0.08 R)
• M7: 2,584,752 km (0.092 R)
• M8: 2,881,853 km (0.104 R)
• M9: 3,212,315 km (0.117 R)
• M10: 3,726,782 km (0.119 R)
• M11: 4,232,273 km (0.074 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.3

Radius: 4

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.25 AU - 8.59 AU

Year: 13050 Days

Day: 24.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,711,858 km

• M1: 49,816 km (0.081 R)
• M2: 188,942 km (0.091 R)
• M3: 546,631 km (0.093 R)
• M4: 903,122 km (0.098 R)
• M5: 1,339,948 km (0.039 R)
• M6: 1,665,323 km (0.114 R)
• M7: 3,019,633 km (0.086 R)
• M8: 3,290,106 km (0.088 R)
• M9: 3,644,952 km (0.105 R)
• M10: 3,951,628 km (0.07 R)
• M11: 4,173,781 km (0.079 R)
• M12: 4,352,251 km (0.081 R)
• M13: 5,175,937 km (0.038 R)
• M14: 6,736,392 km (0.108 R)
• M15: 8,222,946 km (0.1 R)
• M16: 8,544,432 km (0.07 R)
• M17: 9,603,435 km (0.116 R)
• M18: 10,986,019 km (0.07 R)
• M19: 11,876,276 km (0.078 R)
• M20: 13,631,657 km (0.1 R)
• M21: 14,425,872 km (0.035 R)
• M22: 15,674,566 km (0.118 R)
• M23: 16,800,589 km (0.094 R)
• M24: 19,212,406 km (0.101 R)
• M25: 19,493,949 km (0.102 R)
• M26: 21,769,183 km (0.093 R)
• M27: 22,539,313 km (0.049 R)
• M28: 26,316,809 km (0.071 R)
• M29: 26,926,270 km (0.07 R)
• M30: 33,344,767 km (0.108 R)
• M31: 33,751,224 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961

Radius: 5.8

Gravity: 28.57 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.99 AU - 9.47 AU

Year: 18106 Days

Day: 19.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 79,711,858 km

• M1: 72,106 km (0.067 R)
• M2: 325,076 km (0.076 R)
• M3: 699,669 km (0.088 R)
• M4: 1,118,992 km (0.117 R)
• M5: 1,346,530 km (0.076 R)
• M6: 1,639,742 km (0.094 R)
• M7: 2,014,485 km (0.064 R)
• M8: 2,444,728 km (0.093 R)
• M9: 2,633,072 km (0.095 R)
• M10: 2,831,289 km (0.084 R)
• M11: 3,093,086 km (0.115 R)
• M12: 3,428,484 km (0.072 R)
• M13: 4,339,385 km (0.049 R)
• M14: 4,796,257 km (0.116 R)
• M15: 5,641,635 km (0.084 R)
• M16: 5,888,621 km (0.078 R)
• M17: 8,340,530 km (0.104 R)
• M18: 9,045,884 km (0.11 R)
• M19: 9,731,491 km (0.103 R)
• M20: 14,666,126 km (0.104 R)
• M21: 14,976,692 km (0.065 R)
• M22: 15,450,618 km (0.089 R)
• M23: 16,763,339 km (0.051 R)
• M24: 19,329,391 km (0.053 R)
• M25: 20,463,642 km (0.063 R)
• M26: 24,239,941 km (0.098 R)
• M27: 33,135,480 km (0.053 R)
• M28: 33,402,063 km (0.054 R)
• M29: 35,170,310 km (0.061 R)
• M30: 45,444,692 km (0.076 R)
• M31: 48,636,512 km (0.103 R)
• M32: 57,936,114 km (0.114 R)
• M33: 58,129,544 km (0.112 R)
• M34: 61,481,882 km (0.115 R)
• M35: 63,718,520 km (0.093 R)
• M36: 66,008,714 km (0.068 R)
• M37: 70,752,612 km (0.106 R)
• M38: 75,488,282 km (0.106 R)
• M39: 75,718,962 km (0.109 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 155 - 14,950 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit