🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.48 AU - 0.54 AU

Year: 232 Days

Day: 43.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.9

Radius: 9.2

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.72 AU - 0.86 AU

Year: 446 Days

Day: 14.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,356,541 km

• M1: 141,968 km (0.032 R)
• M2: 340,934 km (0.077 R)
• M3: 526,435 km (0.101 R)
• M4: 770,728 km (0.112 R)
• M5: 944,561 km (0.063 R)
• M6: 1,233,285 km (0.07 R)
• M7: 1,641,238 km (0.111 R)
• M8: 2,072,080 km (0.099 R)
• M9: 2,571,288 km (0.085 R)
• M10: 2,826,203 km (0.046 R)
• M11: 3,202,741 km (0.1 R)
• M12: 3,470,222 km (0.088 R)
• M13: 4,086,266 km (0.117 R)
• M14: 4,438,718 km (0.103 R)
• M15: 4,692,287 km (0.106 R)
• M16: 4,879,284 km (0.1 R)
• M17: 5,070,171 km (0.112 R)
• M18: 5,264,648 km (0.108 R)
• M19: 5,462,865 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.8

Radius: 10.5

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.19 AU - 3.17 AU

Year: 2790 Days

Day: 10.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,356,541 km

• M1: 145,110 km (0.104 R)
• M2: 717,023 km (0.111 R)
• M3: 931,247 km (0.09 R)
• M4: 1,170,304 km (0.119 R)
• M5: 1,784,403 km (0.099 R)
• M6: 3,348,000 km (0.092 R)
• M7: 3,622,363 km (0.026 R)
• M8: 4,022,088 km (0.112 R)
• M9: 4,221,652 km (0.117 R)
• M10: 4,600,434 km (0.117 R)
• M11: 4,904,566 km (0.117 R)
• M12: 5,218,722 km (0.096 R)
• M13: 5,718,528 km (0.108 R)
• M14: 8,092,497 km (0.111 R)
• M15: 8,448,689 km (0.046 R)
• M16: 9,009,981 km (0.117 R)
• M17: 10,399,894 km (0.12 R)
• M18: 10,641,345 km (0.07 R)
• M19: 11,720,096 km (0.071 R)
• M20: 14,886,335 km (0.104 R)
• M21: 17,003,593 km (0.058 R)

Asteroid Belt

Center: 6.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.2

Radius: 3.4

Gravity: 50.1 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.32 AU - 10.68 AU

Year: 18617 Days

Day: 22 Hours

Environment

Temp: -235 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 32,356,541 km

• M1: 72,555 km (0.073 R)
• M2: 151,991 km (0.083 R)
• M3: 323,131 km (0.032 R)
• M4: 622,477 km (0.079 R)
• M5: 700,716 km (0.084 R)
• M6: 1,200,822 km (0.085 R)
• M7: 1,310,178 km (0.057 R)
• M8: 1,753,586 km (0.104 R)
• M9: 2,338,065 km (0.113 R)
• M10: 2,951,416 km (0.068 R)
• M11: 4,123,665 km (0.084 R)
• M12: 4,856,396 km (0.103 R)
• M13: 5,807,539 km (0.095 R)
• M14: 7,150,030 km (0.059 R)
• M15: 8,632,994 km (0.078 R)
• M16: 9,889,317 km (0.105 R)
• M17: 11,566,010 km (0.117 R)
• M18: 14,737,784 km (0.088 R)
• M19: 14,992,848 km (0.064 R)
• M20: 17,043,536 km (0.087 R)
• M21: 17,524,942 km (0.075 R)
• M22: 17,872,757 km (0.069 R)
• M23: 19,371,428 km (0.034 R)
• M24: 19,444,282 km (0.101 R)
• M25: 20,180,603 km (0.076 R)
• M26: 20,854,990 km (0.087 R)
• M27: 21,158,225 km (0.04 R)
• M28: 23,743,875 km (0.083 R)
• M29: 26,393,852 km (0.06 R)
• M30: 28,297,185 km (0.081 R)
• M31: 33,154,927 km (0.106 R)
• M32: 34,114,598 km (0.062 R)
• M33: 34,599,594 km (0.101 R)
• M34: 36,274,342 km (0.12 R)
• M35: 39,846,889 km (0.058 R)
• M36: 42,609,662 km (0.116 R)
• M37: 43,478,377 km (0.037 R)
• M38: 44,245,665 km (0.101 R)
• M39: 44,797,830 km (0.113 R)
• M40: 47,268,140 km (0.12 R)
• M41: 48,990,610 km (0.038 R)
• M42: 50,390,696 km (0.094 R)
• M43: 54,342,773 km (0.108 R)
• M44: 54,464,845 km (0.094 R)
• M45: 61,520,928 km (0.067 R)
• M46: 63,352,005 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 58

Radius: 6.4

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.63 AU - 11.67 AU

Year: 19060 Days

Day: 21.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,356,541 km

• M1: 552,166 km (0.04 R)
• M2: 758,162 km (0.057 R)
• M3: 1,160,580 km (0.103 R)
• M4: 2,001,171 km (0.106 R)
• M5: 2,719,689 km (0.095 R)
• M6: 5,426,214 km (0.099 R)
• M7: 6,047,644 km (0.112 R)
• M8: 6,586,645 km (0.078 R)
• M9: 6,850,086 km (0.105 R)
• M10: 8,052,255 km (0.107 R)
• M11: 10,529,596 km (0.1 R)
• M12: 10,677,099 km (0.117 R)
• M13: 11,738,047 km (0.115 R)
• M14: 14,742,272 km (0.067 R)
• M15: 15,446,579 km (0.068 R)
• M16: 20,376,876 km (0.065 R)
• M17: 21,413,589 km (0.093 R)
• M18: 26,223,908 km (0.105 R)
• M19: 27,102,646 km (0.037 R)
• M20: 28,599,523 km (0.119 R)
• M21: 29,025,876 km (0.109 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: 295 - 16,969 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit