🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.5

Radius: 11

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.89 AU - 0.91 AU

Year: 560 Days

Day: 8.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,060,252 km

• M1: 148,401 km (0.057 R)
• M2: 550,371 km (0.084 R)
• M3: 1,015,770 km (0.111 R)
• M4: 1,883,886 km (0.048 R)
• M5: 2,370,079 km (0.105 R)
• M6: 2,983,730 km (0.111 R)
• M7: 3,661,557 km (0.108 R)
• M8: 4,093,297 km (0.119 R)
• M9: 4,931,045 km (0.075 R)
• M10: 5,374,004 km (0.104 R)
• M11: 5,790,036 km (0.094 R)
• M12: 6,171,660 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.5

Radius: 8.8

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.84 AU - 3.08 AU

Year: 3341 Days

Day: 11.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,060,252 km

• M1: 109,506 km (0.096 R)
• M2: 437,125 km (0.071 R)
• M3: 1,007,093 km (0.096 R)
• M4: 1,813,575 km (0.075 R)
• M5: 2,896,364 km (0.086 R)
• M6: 3,247,171 km (0.06 R)
• M7: 4,634,991 km (0.119 R)
• M8: 5,712,095 km (0.075 R)
• M9: 6,266,356 km (0.05 R)
• M10: 7,547,063 km (0.119 R)
• M11: 7,842,818 km (0.077 R)
• M12: 8,527,827 km (0.096 R)
• M13: 8,921,269 km (0.106 R)
• M14: 11,758,991 km (0.098 R)
• M15: 12,291,859 km (0.073 R)
• M16: 13,262,898 km (0.1 R)
• M17: 14,036,469 km (0.085 R)
• M18: 14,484,664 km (0.078 R)
• M19: 15,045,357 km (0.112 R)
• M20: 15,567,454 km (0.104 R)
• M21: 16,101,668 km (0.039 R)
• M22: 16,537,895 km (0.086 R)
• M23: 17,490,833 km (0.062 R)
• M24: 17,951,744 km (0.097 R)
• M25: 21,935,685 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.1

Radius: 14.9

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.85 AU - 4.09 AU

Year: 4240 Days

Day: 13.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,060,252 km

• M1: 185,352 km (0.053 R)
• M2: 730,636 km (0.055 R)
• M3: 1,302,997 km (0.105 R)
• M4: 3,007,216 km (0.109 R)
• M5: 4,957,673 km (0.09 R)
• M6: 5,906,274 km (0.098 R)
• M7: 6,452,455 km (0.076 R)
• M8: 7,710,573 km (0.036 R)
• M9: 9,561,398 km (0.108 R)
• M10: 10,869,781 km (0.101 R)
• M11: 16,557,492 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285

Radius: 12.1

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.52 AU - 5.84 AU

Year: 8880 Days

Day: 9.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,060,252 km

• M1: 150,495 km (0.063 R)
• M2: 616,942 km (0.099 R)
• M3: 1,198,877 km (0.099 R)
• M4: 1,711,699 km (0.056 R)
• M5: 2,859,414 km (0.102 R)
• M6: 3,395,722 km (0.07 R)
• M7: 4,022,238 km (0.107 R)
• M8: 4,885,418 km (0.048 R)
• M9: 5,715,985 km (0.116 R)
• M10: 6,245,113 km (0.096 R)
• M11: 7,117,717 km (0.055 R)
• M12: 9,398,486 km (0.051 R)
• M13: 14,597,012 km (0.025 R)
• M14: 20,077,231 km (0.086 R)
• M15: 22,349,024 km (0.104 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: 194 - 18,728 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit