🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.5

Radius: 12.1

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.78 AU - 0.92 AU

Year: 541 Days

Day: 6.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,121,406 km

• M1: 150,645 km (0.096 R)
• M2: 804,089 km (0.105 R)
• M3: 1,216,829 km (0.117 R)
• M4: 1,923,081 km (0.091 R)
• M5: 2,412,714 km (0.057 R)
• M6: 3,328,403 km (0.103 R)
• M7: 4,027,175 km (0.086 R)
• M8: 4,669,548 km (0.098 R)
• M9: 5,648,666 km (0.108 R)
• M10: 6,087,736 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.4

Radius: 10.9

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.02 AU - 1.18 AU

Year: 796 Days

Day: 11.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,121,406 km

• M1: 135,835 km (0.066 R)
• M2: 518,805 km (0.101 R)
• M3: 1,194,689 km (0.099 R)
• M4: 1,720,226 km (0.071 R)
• M5: 2,249,802 km (0.088 R)
• M6: 2,754,396 km (0.072 R)
• M7: 3,110,439 km (0.082 R)
• M8: 4,288,821 km (0.093 R)
• M9: 4,909,204 km (0.111 R)
• M10: 5,960,877 km (0.063 R)
• M11: 6,756,139 km (0.076 R)
• M12: 7,692,023 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226

Radius: 12.5

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.33 AU - 3.83 AU

Year: 4676 Days

Day: 6.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,121,406 km

• M1: 158,574 km (0.096 R)
• M2: 549,473 km (0.119 R)
• M3: 1,250,339 km (0.09 R)
• M4: 1,830,330 km (0.066 R)
• M5: 2,571,139 km (0.056 R)
• M6: 2,987,469 km (0.073 R)
• M7: 4,078,337 km (0.109 R)
• M8: 4,561,239 km (0.058 R)
• M9: 5,176,685 km (0.064 R)
• M10: 5,821,152 km (0.116 R)
• M11: 9,695,438 km (0.051 R)
• M12: 13,191,839 km (0.039 R)
• M13: 15,925,741 km (0.051 R)
• M14: 17,506,840 km (0.116 R)
• M15: 19,017,330 km (0.037 R)
• M16: 19,422,740 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.6

Radius: 9.5

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.41 AU - 4.33 AU

Year: 5255 Days

Day: 7.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,121,406 km

• M1: 118,482 km (0.104 R)
• M2: 471,532 km (0.049 R)
• M3: 870,211 km (0.078 R)
• M4: 2,161,540 km (0.092 R)
• M5: 2,733,153 km (0.093 R)
• M6: 4,247,383 km (0.073 R)
• M7: 4,833,058 km (0.075 R)
• M8: 5,252,680 km (0.12 R)
• M9: 7,246,820 km (0.115 R)
• M10: 8,905,412 km (0.116 R)
• M11: 9,456,829 km (0.086 R)
• M12: 12,514,011 km (0.087 R)
• M13: 13,510,483 km (0.082 R)
• M14: 14,398,346 km (0.066 R)
• M15: 14,938,544 km (0.071 R)
• M16: 16,059,481 km (0.027 R)
• M17: 21,384,716 km (0.102 R)
• M18: 22,159,185 km (0.104 R)
• M19: 23,541,020 km (0.102 R)
• M20: 24,748,425 km (0.069 R)
• M21: 26,075,956 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.8

Radius: 13.1

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.42 AU - 4.54 AU

Year: 5481 Days

Day: 6.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,121,406 km

• M1: 162,912 km (0.07 R)
• M2: 811,269 km (0.036 R)
• M3: 1,429,258 km (0.037 R)
• M4: 2,382,196 km (0.037 R)
• M5: 3,027,412 km (0.101 R)
• M6: 3,808,463 km (0.117 R)
• M7: 5,268,239 km (0.101 R)
• M8: 5,685,766 km (0.026 R)
• M9: 7,007,463 km (0.106 R)
• M10: 8,337,987 km (0.064 R)
• M11: 10,336,914 km (0.111 R)
• M12: 13,085,625 km (0.09 R)
• M13: 16,524,282 km (0.05 R)
• M14: 17,546,484 km (0.073 R)
• M15: 20,592,596 km (0.078 R)
• M16: 22,493,536 km (0.113 R)
• M17: 28,299,728 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.5

Radius: 4.1

Gravity: 46.67 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.25 AU - 8.71 AU

Year: 14121 Days

Day: 23.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,121,406 km

• M1: 51,611 km (0.112 R)
• M2: 243,246 km (0.07 R)
• M3: 540,497 km (0.115 R)
• M4: 1,251,536 km (0.094 R)
• M5: 2,060,112 km (0.107 R)
• M6: 2,317,570 km (0.104 R)
• M7: 2,596,121 km (0.113 R)
• M8: 2,848,942 km (0.094 R)
• M9: 2,993,603 km (0.071 R)
• M10: 3,377,022 km (0.082 R)
• M11: 4,558,846 km (0.104 R)
• M12: 5,875,307 km (0.068 R)
• M13: 6,190,061 km (0.102 R)
• M14: 6,641,098 km (0.088 R)
• M15: 8,817,298 km (0.051 R)
• M16: 10,317,017 km (0.102 R)
• M17: 10,833,130 km (0.092 R)
• M18: 11,978,750 km (0.078 R)
• M19: 17,612,606 km (0.08 R)
• M20: 19,105,294 km (0.113 R)
• M21: 20,680,260 km (0.103 R)
• M22: 21,132,644 km (0.07 R)
• M23: 23,201,732 km (0.1 R)
• M24: 25,712,433 km (0.096 R)
• M25: 27,737,390 km (0.116 R)
• M26: 32,464,234 km (0.086 R)
• M27: 35,209,056 km (0.065 R)
• M28: 37,034,000 km (0.064 R)
• M29: 40,307,351 km (0.095 R)
• M30: 42,158,475 km (0.094 R)
• M31: 42,593,655 km (0.107 R)
• M32: 51,274,670 km (0.025 R)
• M33: 52,771,397 km (0.098 R)
• M34: 54,126,006 km (0.098 R)
• M35: 57,791,901 km (0.091 R)
• M36: 58,688,441 km (0.082 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: 531 - 13,089 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit