🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217

Radius: 13

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.58 AU - 0.94 AU

Year: 435 Days

Day: 12.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,766,337 km

• M1: 161,715 km (0.089 R)
• M2: 685,158 km (0.042 R)
• M3: 1,192,594 km (0.112 R)
• M4: 2,088,087 km (0.117 R)
• M5: 2,680,046 km (0.111 R)
• M6: 3,200,946 km (0.106 R)
• M7: 3,667,990 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.3

Radius: 8.8

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.93 AU - 1.31 AU

Year: 778 Days

Day: 8.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,766,337 km

• M1: 118,182 km (0.114 R)
• M2: 529,576 km (0.119 R)
• M3: 828,473 km (0.065 R)
• M4: 1,432,848 km (0.102 R)
• M5: 1,725,163 km (0.071 R)
• M6: 2,665,684 km (0.088 R)
• M7: 3,164,294 km (0.049 R)
• M8: 3,666,345 km (0.114 R)
• M9: 4,396,083 km (0.079 R)
• M10: 7,078,971 km (0.096 R)
• M11: 8,256,456 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367

Radius: 13

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.11 AU - 2.85 AU

Year: 2562 Days

Day: 7 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,766,337 km

• M1: 161,715 km (0.1 R)
• M2: 981,362 km (0.063 R)
• M3: 1,859,202 km (0.099 R)
• M4: 2,284,659 km (0.039 R)
• M5: 3,162,948 km (0.108 R)
• M6: 9,842,194 km (0.085 R)
• M7: 13,741,612 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.1

Radius: 14.6

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.17 AU - 6.31 AU

Year: 7869 Days

Day: 9.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,766,337 km

• M1: 181,612 km (0.081 R)
• M2: 705,803 km (0.089 R)
• M3: 1,244,953 km (0.095 R)
• M4: 2,376,811 km (0.076 R)
• M5: 2,836,675 km (0.104 R)
• M6: 3,356,527 km (0.117 R)
• M7: 5,592,118 km (0.069 R)
• M8: 6,521,570 km (0.111 R)
• M9: 7,134,771 km (0.09 R)
• M10: 8,561,037 km (0.095 R)
• M11: 11,503,777 km (0.107 R)
• M12: 13,689,552 km (0.075 R)
• M13: 15,882,656 km (0.117 R)
• M14: 18,160,733 km (0.088 R)
• M15: 18,655,453 km (0.073 R)
• M16: 19,894,871 km (0.093 R)
• M17: 20,879,076 km (0.109 R)
• M18: 23,274,138 km (0.059 R)
• M19: 23,858,467 km (0.092 R)
• M20: 25,847,371 km (0.111 R)
• M21: 29,566,074 km (0.119 R)
• M22: 31,249,499 km (0.074 R)
• M23: 31,960,987 km (0.044 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.5

Radius: 6.8

Gravity: 16.08 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9.92 AU - 10.24 AU

Year: 20994 Days

Day: 20.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 80,766,337 km

• M1: 84,523 km (0.051 R)
• M2: 720,314 km (0.099 R)
• M3: 1,391,111 km (0.042 R)
• M4: 2,219,733 km (0.097 R)
• M5: 2,728,366 km (0.081 R)
• M6: 3,455,561 km (0.111 R)
• M7: 6,019,519 km (0.043 R)
• M8: 7,387,741 km (0.046 R)
• M9: 9,175,735 km (0.111 R)
• M10: 10,230,400 km (0.107 R)
• M11: 13,581,392 km (0.066 R)
• M12: 15,908,088 km (0.107 R)
• M13: 16,739,254 km (0.112 R)
• M14: 18,218,328 km (0.119 R)
• M15: 19,127,733 km (0.114 R)
• M16: 19,499,933 km (0.109 R)
• M17: 27,640,002 km (0.097 R)
• M18: 30,073,510 km (0.096 R)
• M19: 30,576,907 km (0.087 R)
• M20: 32,778,689 km (0.111 R)
• M21: 33,177,965 km (0.117 R)
• M22: 34,945,614 km (0.106 R)
• M23: 35,362,244 km (0.065 R)
• M24: 37,640,619 km (0.117 R)
• M25: 38,078,492 km (0.08 R)
• M26: 39,113,261 km (0.12 R)
• M27: 39,562,503 km (0.118 R)
• M28: 46,887,563 km (0.102 R)
• M29: 47,225,056 km (0.055 R)
• M30: 49,284,271 km (0.086 R)
• M31: 49,983,790 km (0.111 R)
• M32: 51,761,611 km (0.047 R)
• M33: 52,122,142 km (0.077 R)
• M34: 53,765,325 km (0.09 R)
• M35: 58,315,344 km (0.091 R)
• M36: 61,285,760 km (0.069 R)
• M37: 63,733,480 km (0.107 R)
• M38: 65,822,465 km (0.083 R)
• M39: 77,660,443 km (0.066 R)
• M40: 79,562,132 km (0.092 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 17,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit