🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.07 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.9

Radius: 10

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.9 AU - 2.36 AU

Year: 2039 Days

Day: 11.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,738,686 km

• M1: 124,316 km (0.074 R)
• M2: 560,244 km (0.029 R)
• M3: 1,135,897 km (0.104 R)
• M4: 1,627,475 km (0.07 R)
• M5: 2,187,570 km (0.09 R)
• M6: 3,403,352 km (0.12 R)
• M7: 4,396,532 km (0.116 R)
• M8: 5,083,336 km (0.117 R)
• M9: 5,420,380 km (0.109 R)
• M10: 5,817,412 km (0.075 R)
• M11: 6,163,133 km (0.09 R)
• M12: 6,946,577 km (0.066 R)
• M13: 7,630,987 km (0.039 R)
• M14: 8,244,638 km (0.07 R)
• M15: 8,622,522 km (0.117 R)
• M16: 9,381,731 km (0.093 R)
• M17: 10,086,188 km (0.073 R)
• M18: 12,224,240 km (0.065 R)

Asteroid Belt

Center: 2.43 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.4

Radius: 8.2

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.18 AU - 3.28 AU

Year: 2959 Days

Day: 14.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,738,686 km

• M1: 102,175 km (0.086 R)
• M2: 385,215 km (0.062 R)
• M3: 1,369,269 km (0.097 R)
• M4: 3,709,728 km (0.095 R)
• M5: 4,453,529 km (0.104 R)
• M6: 4,805,682 km (0.048 R)
• M7: 5,566,238 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.3

Radius: 13.9

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.08 AU - 3.98 AU

Year: 4351 Days

Day: 11.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,738,686 km

• M1: 172,935 km (0.071 R)
• M2: 634,145 km (0.093 R)
• M3: 1,292,376 km (0.062 R)
• M4: 1,901,838 km (0.072 R)
• M5: 2,582,807 km (0.046 R)
• M6: 3,586,011 km (0.115 R)
• M7: 4,989,987 km (0.072 R)
• M8: 5,730,496 km (0.119 R)
• M9: 8,855,446 km (0.073 R)
• M10: 9,368,417 km (0.032 R)
• M11: 9,901,135 km (0.082 R)
• M12: 11,162,993 km (0.11 R)
• M13: 11,762,282 km (0.1 R)
• M14: 13,690,150 km (0.079 R)
• M15: 15,820,872 km (0.041 R)
• M16: 21,007,281 km (0.109 R)
• M17: 22,280,957 km (0.11 R)
• M18: 22,790,039 km (0.093 R)
• M19: 24,363,958 km (0.112 R)
• M20: 25,611,006 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.1

Radius: 12.6

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.25 AU - 6.01 AU

Year: 8763 Days

Day: 6 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,738,686 km

• M1: 156,629 km (0.114 R)
• M2: 620,831 km (0.086 R)
• M3: 1,109,867 km (0.111 R)
• M4: 1,665,473 km (0.117 R)
• M5: 2,204,773 km (0.1 R)
• M6: 2,859,563 km (0.115 R)
• M7: 3,302,971 km (0.058 R)
• M8: 4,472,677 km (0.1 R)
• M9: 5,728,850 km (0.12 R)
• M10: 6,739,833 km (0.056 R)
• M11: 8,835,998 km (0.106 R)
• M12: 11,013,246 km (0.111 R)
• M13: 11,609,244 km (0.09 R)
• M14: 13,959,875 km (0.075 R)
• M15: 18,581,701 km (0.092 R)
• M16: 19,271,646 km (0.109 R)
• M17: 20,540,236 km (0.119 R)
• M18: 24,134,774 km (0.065 R)
• M19: 33,546,275 km (0.087 R)
• M20: 35,730,554 km (0.096 R)
• M21: 42,060,489 km (0.097 R)
• M22: 44,598,117 km (0.113 R)
• M23: 47,094,756 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.8

Radius: 5.2

Gravity: 20.18 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 9.45 AU - 9.57 AU

Year: 19239 Days

Day: 21.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,738,686 km

• M1: 81,830 km (0.107 R)
• M2: 269,725 km (0.098 R)
• M3: 458,517 km (0.095 R)
• M4: 2,487,962 km (0.088 R)
• M5: 4,138,326 km (0.075 R)
• M6: 5,044,291 km (0.059 R)
• M7: 6,116,309 km (0.092 R)
• M8: 6,619,257 km (0.112 R)
• M9: 6,880,754 km (0.026 R)
• M10: 7,947,836 km (0.06 R)
• M11: 12,319,833 km (0.116 R)
• M12: 16,590,553 km (0.088 R)
• M13: 18,837,364 km (0.109 R)
• M14: 19,629,185 km (0.079 R)
• M15: 22,722,869 km (0.09 R)
• M16: 24,747,826 km (0.085 R)
• M17: 35,094,015 km (0.083 R)
• M18: 38,068,021 km (0.112 R)
• M19: 38,486,147 km (0.114 R)
• M20: 42,837,350 km (0.038 R)
• M21: 52,845,747 km (0.087 R)
• M22: 60,255,180 km (0.058 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 18,091 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit