🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.92 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.5 AU - 2.18 AU

Year: 935 Days

Day: 17.4 Hours

Environment

Temp: -68 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.3

Radius: 15

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.68 AU - 5.82 AU

Year: 4508 Days

Day: 7.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 96,241,647 km

• M1: 192,383 km (0.119 R)
• M2: 675,883 km (0.052 R)
• M3: 1,451,698 km (0.03 R)
• M4: 2,848,493 km (0.09 R)
• M5: 4,456,221 km (0.11 R)
• M6: 5,546,191 km (0.08 R)
• M7: 7,069,397 km (0.106 R)
• M8: 10,693,705 km (0.08 R)
• M9: 13,446,156 km (0.098 R)
• M10: 18,500,918 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.9

Radius: 8.8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 10.31 AU - 11.39 AU

Year: 13393 Days

Day: 11.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 96,241,647 km

• M1: 109,506 km (0.12 R)
• M2: 436,527 km (0.083 R)
• M3: 1,414,597 km (0.054 R)
• M4: 1,903,035 km (0.118 R)
• M5: 2,668,078 km (0.057 R)
• M6: 3,600,821 km (0.032 R)
• M7: 6,062,005 km (0.026 R)
• M8: 6,437,496 km (0.062 R)
• M9: 6,864,747 km (0.068 R)
• M10: 7,160,053 km (0.066 R)
• M11: 8,469,035 km (0.074 R)
• M12: 9,026,137 km (0.059 R)
• M13: 9,930,755 km (0.116 R)
• M14: 10,261,367 km (0.095 R)
• M15: 15,254,345 km (0.057 R)
• M16: 17,817,406 km (0.095 R)
• M17: 20,426,093 km (0.039 R)
• M18: 24,032,000 km (0.084 R)
• M19: 28,134,872 km (0.071 R)
• M20: 34,587,327 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.3

Radius: 4

Gravity: 41.89 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 17.57 AU - 18.55 AU

Year: 28761 Days

Day: 17 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 96,241,647 km

• M1: 49,966 km (0.071 R)
• M2: 414,984 km (0.089 R)
• M3: 629,657 km (0.107 R)
• M4: 1,330,224 km (0.11 R)
• M5: 1,720,974 km (0.107 R)
• M6: 2,161,390 km (0.034 R)
• M7: 2,621,104 km (0.118 R)
• M8: 3,569,854 km (0.117 R)
• M9: 3,764,182 km (0.102 R)
• M10: 4,068,763 km (0.083 R)
• M11: 4,500,353 km (0.053 R)
• M12: 6,114,215 km (0.079 R)
• M13: 7,591,494 km (0.108 R)
• M14: 8,756,861 km (0.112 R)
• M15: 12,291,410 km (0.047 R)
• M16: 14,697,243 km (0.084 R)
• M17: 15,793,197 km (0.088 R)
• M18: 17,399,130 km (0.104 R)
• M19: 18,336,660 km (0.096 R)
• M20: 19,505,767 km (0.073 R)
• M21: 21,035,705 km (0.071 R)
• M22: 22,315,814 km (0.081 R)
• M23: 27,704,478 km (0.093 R)
• M24: 30,832,420 km (0.092 R)
• M25: 33,327,114 km (0.054 R)
• M26: 40,306,902 km (0.115 R)
• M27: 43,623,188 km (0.114 R)
• M28: 45,347,603 km (0.096 R)
• M29: 57,063,061 km (0.039 R)
• M30: 57,471,313 km (0.097 R)
• M31: 68,550,083 km (0.099 R)
• M32: 69,940,146 km (0.044 R)
• M33: 79,436,320 km (0.065 R)
• M34: 82,522,225 km (0.065 R)
• M35: 87,299,633 km (0.116 R)
• M36: 94,806,005 km (0.083 R)
• M37: 96,241,696 km (0.056 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 11,200 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit