🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.8

Radius: 13.9

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.25 AU - 1.87 AU

Year: 1239 Days

Day: 12 Hours

Environment

Temp: -177 °C

Axial Tilt: 125.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,586,766 km

• M1: 172,935 km (0.08 R)
• M2: 636,090 km (0.11 R)
• M3: 1,150,258 km (0.099 R)
• M4: 1,714,990 km (0.09 R)
• M5: 2,278,824 km (0.08 R)
• M6: 2,840,116 km (0.118 R)
• M7: 5,083,784 km (0.104 R)
• M8: 5,906,124 km (0.112 R)
• M9: 6,975,898 km (0.083 R)
• M10: 7,593,887 km (0.087 R)
• M11: 8,248,378 km (0.107 R)
• M12: 9,757,222 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.6

Radius: 10.4

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.68 AU - 2.38 AU

Year: 1839 Days

Day: 6.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,586,766 km

• M1: 129,402 km (0.12 R)
• M2: 524,341 km (0.107 R)
• M3: 1,022,501 km (0.116 R)
• M4: 1,835,416 km (0.118 R)
• M5: 2,159,595 km (0.111 R)
• M6: 2,676,007 km (0.105 R)
• M7: 3,273,351 km (0.101 R)
• M8: 4,186,347 km (0.102 R)
• M9: 4,608,512 km (0.109 R)
• M10: 5,283,647 km (0.052 R)
• M11: 5,705,214 km (0.042 R)
• M12: 6,995,346 km (0.114 R)
• M13: 7,360,514 km (0.054 R)
• M14: 8,252,267 km (0.088 R)
• M15: 8,983,651 km (0.112 R)
• M16: 9,415,690 km (0.101 R)
• M17: 13,303,439 km (0.035 R)
• M18: 14,806,898 km (0.103 R)
• M19: 16,469,678 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.1

Radius: 8.7

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.54 AU - 5.3 AU

Year: 5908 Days

Day: 5.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,586,766 km

• M1: 108,159 km (0.089 R)
• M2: 619,335 km (0.11 R)
• M3: 983,606 km (0.052 R)
• M4: 1,326,335 km (0.104 R)
• M5: 1,713,045 km (0.103 R)
• M6: 2,244,267 km (0.068 R)
• M7: 2,541,219 km (0.117 R)
• M8: 3,307,310 km (0.106 R)
• M9: 3,898,371 km (0.111 R)
• M10: 4,420,467 km (0.095 R)
• M11: 4,745,992 km (0.119 R)
• M12: 10,697,145 km (0.113 R)
• M13: 11,632,282 km (0.067 R)
• M14: 12,806,326 km (0.112 R)
• M15: 13,567,180 km (0.107 R)
• M16: 14,867,186 km (0.095 R)
• M17: 16,578,735 km (0.101 R)
• M18: 17,712,986 km (0.087 R)
• M19: 22,701,626 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.8

Radius: 12.5

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.65 AU - 5.71 AU

Year: 6437 Days

Day: 8.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,586,766 km

• M1: 155,881 km (0.065 R)
• M2: 1,764,058 km (0.108 R)
• M3: 2,541,668 km (0.098 R)
• M4: 3,118,816 km (0.113 R)
• M5: 3,968,233 km (0.081 R)
• M6: 5,392,106 km (0.105 R)
• M7: 6,482,076 km (0.064 R)
• M8: 8,524,236 km (0.059 R)
• M9: 10,000,468 km (0.08 R)
• M10: 14,342,546 km (0.099 R)
• M11: 16,547,619 km (0.106 R)
• M12: 20,087,404 km (0.07 R)
• M13: 21,920,426 km (0.104 R)
• M14: 24,999,151 km (0.039 R)
• M15: 33,282,385 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.8

Radius: 5.2

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.92 AU - 7.08 AU

Year: 10537 Days

Day: 19.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,586,766 km

• M1: 110,553 km (0.109 R)
• M2: 370,853 km (0.064 R)
• M3: 650,601 km (0.112 R)
• M4: 897,886 km (0.086 R)
• M5: 1,544,748 km (0.093 R)
• M6: 1,841,849 km (0.112 R)
• M7: 4,918,778 km (0.104 R)
• M8: 5,839,702 km (0.107 R)
• M9: 6,905,438 km (0.101 R)
• M10: 8,372,095 km (0.068 R)
• M11: 9,029,877 km (0.1 R)
• M12: 9,414,643 km (0.107 R)
• M13: 12,368,303 km (0.104 R)
• M14: 13,716,330 km (0.119 R)
• M15: 15,520,181 km (0.097 R)
• M16: 16,700,508 km (0.042 R)
• M17: 26,165,416 km (0.111 R)
• M18: 28,921,607 km (0.092 R)
• M19: 33,056,492 km (0.108 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: 440 - 17,498 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit