🌌 Stone's Star System Generator

Asteroid Belt

Center: 3.99 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.6

Radius: 8.7

Gravity: 12.11 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.14 AU - 8.82 AU

Year: 8074 Days

Day: 14.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,760,478 km

• M1: 138,228 km (0.105 R)
• M2: 693,685 km (0.078 R)
• M3: 1,143,825 km (0.099 R)
• M4: 1,509,293 km (0.057 R)
• M5: 2,556,328 km (0.107 R)
• M6: 3,740,844 km (0.119 R)
• M7: 5,717,331 km (0.106 R)
• M8: 6,458,738 km (0.05 R)
• M9: 7,183,540 km (0.081 R)
• M10: 8,569,714 km (0.067 R)
• M11: 12,029,464 km (0.033 R)
• M12: 12,311,606 km (0.026 R)
• M13: 18,849,033 km (0.111 R)
• M14: 24,210,321 km (0.102 R)
• M15: 28,068,600 km (0.1 R)
• M16: 30,299,104 km (0.092 R)
• M17: 30,612,063 km (0.082 R)
• M18: 33,974,424 km (0.119 R)
• M19: 34,425,462 km (0.088 R)
• M20: 36,035,584 km (0.102 R)
• M21: 36,504,723 km (0.107 R)
• M22: 40,279,675 km (0.071 R)
• M23: 41,679,463 km (0.077 R)
• M24: 42,196,323 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.1

Radius: 13.9

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.42 AU - 8.84 AU

Year: 8303 Days

Day: 9 Hours

Environment

Temp: -172 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,760,478 km

• M1: 173,234 km (0.075 R)
• M2: 690,693 km (0.08 R)
• M3: 3,069,000 km (0.075 R)
• M4: 3,606,206 km (0.082 R)
• M5: 4,405,358 km (0.068 R)
• M6: 4,847,569 km (0.119 R)
• M7: 12,433,677 km (0.101 R)
• M8: 13,516,317 km (0.109 R)
• M9: 14,055,917 km (0.112 R)
• M10: 15,335,876 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 11.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629

Radius: 11.8

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 9.1 AU - 13.94 AU

Year: 14004 Days

Day: 14.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,760,478 km

• M1: 148,551 km (0.112 R)
• M2: 571,464 km (0.107 R)
• M3: 1,862,942 km (0.098 R)
• M4: 2,412,864 km (0.083 R)
• M5: 2,883,349 km (0.055 R)
• M6: 3,758,946 km (0.042 R)
• M7: 5,342,140 km (0.095 R)
• M8: 8,468,137 km (0.06 R)
• M9: 10,253,139 km (0.076 R)
• M10: 10,919,298 km (0.104 R)
• M11: 12,523,735 km (0.103 R)
• M12: 12,964,301 km (0.075 R)
• M13: 13,876,399 km (0.053 R)
• M14: 21,142,667 km (0.096 R)
• M15: 21,677,928 km (0.097 R)
• M16: 22,222,165 km (0.116 R)
• M17: 23,623,000 km (0.088 R)
• M18: 24,199,400 km (0.112 R)
• M19: 27,751,153 km (0.096 R)
• M20: 37,664,406 km (0.1 R)
• M21: 49,236,399 km (0.106 R)
• M22: 52,582,305 km (0.083 R)
• M23: 53,565,462 km (0.03 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.1

Radius: 4.5

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 15.41 AU - 18.49 AU

Year: 24994 Days

Day: 17.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,760,478 km

• M1: 57,446 km (0.107 R)
• M2: 964,158 km (0.092 R)
• M3: 1,162,525 km (0.103 R)
• M4: 2,959,195 km (0.118 R)
• M5: 4,537,453 km (0.048 R)
• M6: 7,840,873 km (0.099 R)
• M7: 8,644,214 km (0.092 R)
• M8: 12,187,589 km (0.098 R)
• M9: 18,052,424 km (0.117 R)
• M10: 18,267,845 km (0.104 R)
• M11: 20,830,008 km (0.077 R)
• M12: 22,278,863 km (0.073 R)
• M13: 24,400,759 km (0.06 R)
• M14: 25,646,012 km (0.1 R)
• M15: 29,535,257 km (0.092 R)
• M16: 29,934,534 km (0.057 R)
• M17: 34,566,832 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.7

Radius: 7.6

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 15.09 AU - 20.21 AU

Year: 26558 Days

Day: 17.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,760,478 km

• M1: 94,546 km (0.12 R)
• M2: 381,175 km (0.054 R)
• M3: 1,061,846 km (0.075 R)
• M4: 3,599,026 km (0.105 R)
• M5: 3,926,495 km (0.054 R)
• M6: 4,675,681 km (0.091 R)
• M7: 5,401,680 km (0.089 R)
• M8: 6,369,279 km (0.069 R)
• M9: 13,340,390 km (0.032 R)
• M10: 14,642,340 km (0.081 R)
• M11: 15,094,575 km (0.062 R)
• M12: 16,669,541 km (0.105 R)
• M13: 17,496,817 km (0.101 R)
• M14: 25,125,860 km (0.119 R)
• M15: 28,947,637 km (0.107 R)
• M16: 35,515,133 km (0.101 R)
• M17: 47,124,975 km (0.08 R)
• M18: 50,122,467 km (0.059 R)
• M19: 50,977,120 km (0.08 R)
• M20: 51,841,497 km (0.073 R)
• M21: 52,539,969 km (0.038 R)
• M22: 58,732,573 km (0.076 R)
• M23: 62,988,632 km (0.111 R)
• M24: 65,597,769 km (0.078 R)
• M25: 66,005,423 km (0.095 R)

Kuiper Belt

Range: 30.6 - 47.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 16,636 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit