🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.2

Radius: 13.7

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.63 AU - 0.77 AU

Year: 391 Days

Day: 5.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 67,783,152 km

• M1: 170,392 km (0.12 R)
• M2: 596,746 km (0.087 R)
• M3: 1,237,623 km (0.108 R)
• M4: 1,723,667 km (0.086 R)
• M5: 2,635,466 km (0.027 R)
• M6: 3,377,920 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.4

Radius: 14.5

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.41 AU - 2.03 AU

Year: 1504 Days

Day: 6.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,783,152 km

• M1: 180,565 km (0.092 R)
• M2: 662,270 km (0.092 R)
• M3: 1,195,736 km (0.08 R)
• M4: 1,757,177 km (0.09 R)
• M5: 2,791,496 km (0.057 R)
• M6: 3,607,553 km (0.074 R)
• M7: 4,418,074 km (0.048 R)
• M8: 4,875,843 km (0.057 R)
• M9: 5,456,283 km (0.116 R)
• M10: 6,485,516 km (0.084 R)
• M11: 7,663,600 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.9

Radius: 8.2

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.01 AU - 2.71 AU

Year: 2418 Days

Day: 6.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,783,152 km

• M1: 102,026 km (0.079 R)
• M2: 455,077 km (0.069 R)
• M3: 1,037,760 km (0.117 R)
• M4: 1,342,940 km (0.109 R)
• M5: 1,909,318 km (0.094 R)
• M6: 2,597,019 km (0.095 R)
• M7: 3,135,571 km (0.108 R)
• M8: 3,582,121 km (0.065 R)
• M9: 5,111,310 km (0.059 R)
• M10: 7,119,213 km (0.088 R)
• M11: 7,984,188 km (0.06 R)
• M12: 9,018,059 km (0.071 R)
• M13: 9,886,026 km (0.08 R)
• M14: 10,248,352 km (0.04 R)
• M15: 11,908,290 km (0.115 R)
• M16: 12,866,314 km (0.052 R)
• M17: 13,342,185 km (0.085 R)
• M18: 13,784,995 km (0.04 R)
• M19: 14,375,159 km (0.079 R)
• M20: 14,840,558 km (0.061 R)
• M21: 15,124,644 km (0.052 R)
• M22: 17,846,876 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.6

Radius: 10.1

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.81 AU - 2.81 AU

Year: 3141 Days

Day: 9.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 67,783,152 km

• M1: 125,961 km (0.082 R)
• M2: 517,609 km (0.105 R)
• M3: 1,103,883 km (0.111 R)
• M4: 1,462,768 km (0.112 R)
• M5: 4,030,466 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.3

Radius: 5.6

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 8.36 AU - 9.74 AU

Year: 18155 Days

Day: 17.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,783,152 km

• M1: 75,996 km (0.052 R)
• M2: 531,671 km (0.067 R)
• M3: 1,606,382 km (0.103 R)
• M4: 8,191,082 km (0.067 R)
• M5: 11,946,886 km (0.055 R)
• M6: 16,201,150 km (0.084 R)
• M7: 16,785,928 km (0.068 R)
• M8: 20,849,006 km (0.083 R)
• M9: 21,540,747 km (0.095 R)
• M10: 25,817,152 km (0.117 R)
• M11: 28,049,002 km (0.116 R)
• M12: 36,124,445 km (0.117 R)
• M13: 43,911,164 km (0.066 R)
• M14: 49,629,243 km (0.061 R)
• M15: 52,269,795 km (0.027 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.8

Radius: 6.9

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 8.1 AU - 13.5 AU

Year: 23668 Days

Day: 19.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,783,152 km

• M1: 109,057 km (0.102 R)
• M2: 430,243 km (0.039 R)
• M3: 3,013,350 km (0.109 R)
• M4: 3,684,446 km (0.043 R)
• M5: 4,549,720 km (0.113 R)
• M6: 4,994,624 km (0.117 R)
• M7: 5,246,098 km (0.08 R)
• M8: 6,718,291 km (0.111 R)
• M9: 7,159,305 km (0.052 R)
• M10: 9,770,237 km (0.103 R)
• M11: 10,107,431 km (0.096 R)
• M12: 10,336,465 km (0.118 R)
• M13: 14,060,255 km (0.104 R)
• M14: 15,832,840 km (0.081 R)
• M15: 18,763,163 km (0.062 R)
• M16: 20,721,399 km (0.1 R)
• M17: 21,845,029 km (0.067 R)
• M18: 22,910,166 km (0.076 R)
• M19: 24,623,810 km (0.046 R)
• M20: 25,564,930 km (0.105 R)
• M21: 26,205,358 km (0.081 R)
• M22: 27,076,018 km (0.119 R)
• M23: 29,220,653 km (0.102 R)
• M24: 29,569,366 km (0.068 R)
• M25: 32,211,713 km (0.069 R)
• M26: 34,487,545 km (0.105 R)
• M27: 36,464,182 km (0.048 R)
• M28: 37,411,884 km (0.098 R)
• M29: 44,358,013 km (0.114 R)
• M30: 45,282,378 km (0.078 R)
• M31: 48,294,531 km (0.111 R)
• M32: 49,932,328 km (0.085 R)
• M33: 55,599,395 km (0.047 R)
• M34: 58,864,069 km (0.114 R)
• M35: 61,489,961 km (0.05 R)
• M36: 65,375,167 km (0.064 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 11,726 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit