🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.4

Radius: 13.1

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.67 AU - 0.91 AU

Year: 494 Days

Day: 8.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,747,129 km

• M1: 163,510 km (0.11 R)
• M2: 811,419 km (0.092 R)
• M3: 1,228,797 km (0.085 R)
• M4: 1,636,750 km (0.085 R)
• M5: 2,780,426 km (0.094 R)
• M6: 3,336,481 km (0.104 R)
• M7: 4,166,151 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686

Radius: 13

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.69 AU - 0.93 AU

Year: 512 Days

Day: 7.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,747,129 km

• M1: 161,715 km (0.089 R)
• M2: 568,622 km (0.083 R)
• M3: 1,007,841 km (0.067 R)
• M4: 1,528,142 km (0.072 R)
• M5: 2,146,729 km (0.104 R)
• M6: 2,928,378 km (0.119 R)
• M7: 3,416,965 km (0.101 R)
• M8: 3,825,666 km (0.09 R)
• M9: 4,281,341 km (0.041 R)
• M10: 4,711,884 km (0.095 R)
• M11: 5,236,973 km (0.079 R)
• M12: 5,678,137 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.1

Radius: 14.2

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.91 AU - 2.67 AU

Year: 2436 Days

Day: 10.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,747,129 km

• M1: 180,864 km (0.085 R)
• M2: 776,114 km (0.11 R)
• M3: 1,366,876 km (0.092 R)
• M4: 2,194,002 km (0.091 R)
• M5: 2,957,400 km (0.107 R)
• M6: 3,503,582 km (0.107 R)
• M7: 3,984,988 km (0.077 R)
• M8: 4,510,675 km (0.114 R)
• M9: 5,016,765 km (0.048 R)
• M10: 5,774,927 km (0.067 R)
• M11: 6,451,109 km (0.029 R)
• M12: 7,012,999 km (0.05 R)
• M13: 8,328,263 km (0.115 R)
• M14: 9,093,905 km (0.115 R)
• M15: 9,630,213 km (0.08 R)
• M16: 10,258,674 km (0.087 R)
• M17: 12,472,124 km (0.055 R)
• M18: 13,177,328 km (0.118 R)
• M19: 15,737,696 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 810

Radius: 4.1

Gravity: 48.19 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.77 AU - 6.99 AU

Year: 11328 Days

Day: 24.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,747,129 km

• M1: 51,013 km (0.103 R)
• M2: 186,399 km (0.109 R)
• M3: 1,393,055 km (0.103 R)
• M4: 3,142,602 km (0.104 R)
• M5: 3,652,731 km (0.076 R)
• M6: 6,406,828 km (0.061 R)
• M7: 7,788,514 km (0.047 R)
• M8: 14,074,467 km (0.114 R)
• M9: 14,885,886 km (0.103 R)
• M10: 15,233,102 km (0.081 R)
• M11: 16,015,798 km (0.047 R)
• M12: 17,660,926 km (0.094 R)
• M13: 17,893,701 km (0.107 R)
• M14: 22,622,190 km (0.104 R)
• M15: 24,017,041 km (0.105 R)
• M16: 32,087,696 km (0.091 R)
• M17: 37,551,459 km (0.117 R)
• M18: 45,756,902 km (0.042 R)
• M19: 46,933,789 km (0.096 R)
• M20: 47,829,730 km (0.116 R)
• M21: 48,433,208 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.4

Radius: 7.7

Gravity: 16.47 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.42 AU - 7.98 AU

Year: 15019 Days

Day: 19.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,747,129 km

• M1: 95,743 km (0.084 R)
• M2: 418,874 km (0.107 R)
• M3: 660,923 km (0.097 R)
• M4: 1,060,350 km (0.094 R)
• M5: 1,455,737 km (0.068 R)
• M6: 1,891,216 km (0.1 R)
• M7: 2,160,044 km (0.104 R)
• M8: 2,432,611 km (0.109 R)
• M9: 3,022,326 km (0.062 R)
• M10: 3,645,551 km (0.115 R)
• M11: 3,911,685 km (0.11 R)
• M12: 5,519,413 km (0.097 R)
• M13: 6,073,225 km (0.081 R)
• M14: 7,108,143 km (0.119 R)
• M15: 7,477,949 km (0.054 R)
• M16: 13,667,860 km (0.074 R)
• M17: 15,896,868 km (0.088 R)
• M18: 17,761,905 km (0.054 R)
• M19: 18,271,435 km (0.086 R)
• M20: 20,500,144 km (0.083 R)
• M21: 23,813,587 km (0.1 R)
• M22: 29,664,061 km (0.115 R)
• M23: 30,140,829 km (0.042 R)
• M24: 40,932,969 km (0.102 R)
• M25: 46,941,418 km (0.111 R)
• M26: 49,234,305 km (0.063 R)
• M27: 54,753,120 km (0.034 R)
• M28: 55,111,108 km (0.103 R)
• M29: 56,013,033 km (0.103 R)
• M30: 61,438,798 km (0.117 R)
• M31: 67,615,246 km (0.106 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 20,071 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit