🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521

Radius: 14.6

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.13 AU - 1.17 AU

Year: 809 Days

Day: 9.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,417,421 km

• M1: 181,612 km (0.093 R)
• M2: 822,339 km (0.117 R)
• M3: 1,281,007 km (0.113 R)
• M4: 1,884,335 km (0.034 R)
• M5: 2,348,986 km (0.051 R)
• M6: 2,985,824 km (0.106 R)
• M7: 3,736,356 km (0.057 R)
• M8: 4,387,556 km (0.061 R)
• M9: 5,183,566 km (0.07 R)
• M10: 7,713,715 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.6

Radius: 13.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.04 AU - 2.9 AU

Year: 2547 Days

Day: 13.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,417,421 km

• M1: 167,998 km (0.063 R)
• M2: 829,071 km (0.071 R)
• M3: 1,285,495 km (0.104 R)
• M4: 2,229,008 km (0.117 R)
• M5: 2,759,931 km (0.115 R)
• M6: 3,575,090 km (0.111 R)
• M7: 4,162,411 km (0.057 R)
• M8: 5,069,124 km (0.031 R)
• M9: 6,321,108 km (0.116 R)
• M10: 7,929,585 km (0.073 R)
• M11: 9,003,249 km (0.115 R)
• M12: 9,575,461 km (0.119 R)
• M13: 11,032,245 km (0.087 R)
• M14: 14,142,684 km (0.118 R)
• M15: 14,623,341 km (0.117 R)
• M16: 18,987,710 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.9

Radius: 9.2

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.38 AU - 3.7 AU

Year: 4369 Days

Day: 10.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,417,421 km

• M1: 114,442 km (0.105 R)
• M2: 407,205 km (0.066 R)
• M3: 870,211 km (0.026 R)
• M4: 1,177,634 km (0.075 R)
• M5: 2,398,652 km (0.073 R)
• M6: 2,870,484 km (0.093 R)
• M7: 3,741,742 km (0.108 R)
• M8: 5,181,322 km (0.101 R)
• M9: 6,438,543 km (0.089 R)
• M10: 8,416,675 km (0.115 R)
• M11: 8,724,099 km (0.104 R)
• M12: 10,929,471 km (0.107 R)
• M13: 11,754,802 km (0.077 R)
• M14: 14,238,277 km (0.075 R)
• M15: 16,835,894 km (0.091 R)
• M16: 17,270,177 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.8

Radius: 11.9

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.54 AU - 5.32 AU

Year: 6117 Days

Day: 8.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,417,421 km

• M1: 148,401 km (0.064 R)
• M2: 634,893 km (0.093 R)
• M3: 1,140,983 km (0.031 R)
• M4: 1,770,640 km (0.079 R)
• M5: 2,272,691 km (0.111 R)
• M6: 2,715,351 km (0.09 R)
• M7: 3,366,251 km (0.08 R)
• M8: 5,213,935 km (0.108 R)
• M9: 6,188,864 km (0.037 R)
• M10: 7,318,926 km (0.118 R)
• M11: 7,933,175 km (0.059 R)
• M12: 8,416,227 km (0.09 R)
• M13: 9,309,027 km (0.089 R)
• M14: 12,799,295 km (0.061 R)
• M15: 16,041,679 km (0.04 R)
• M16: 17,079,290 km (0.088 R)
• M17: 23,192,158 km (0.09 R)
• M18: 26,779,814 km (0.111 R)
• M19: 29,082,275 km (0.098 R)
• M20: 31,414,057 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.1

Radius: 4

Gravity: 47.94 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.34 AU - 6.36 AU

Year: 10497 Days

Day: 16.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,417,421 km

• M1: 49,816 km (0.107 R)
• M2: 260,151 km (0.074 R)
• M3: 419,024 km (0.053 R)
• M4: 581,936 km (0.033 R)
• M5: 750,981 km (0.08 R)
• M6: 881,580 km (0.03 R)
• M7: 1,422,676 km (0.073 R)
• M8: 2,086,292 km (0.057 R)
• M9: 2,367,087 km (0.094 R)
• M10: 2,672,566 km (0.063 R)
• M11: 2,845,950 km (0.079 R)
• M12: 3,589,751 km (0.115 R)
• M13: 4,048,567 km (0.089 R)
• M14: 4,336,094 km (0.118 R)
• M15: 4,575,900 km (0.047 R)
• M16: 5,280,954 km (0.074 R)
• M17: 6,018,771 km (0.034 R)
• M18: 7,482,138 km (0.078 R)
• M19: 7,914,924 km (0.104 R)
• M20: 10,598,560 km (0.108 R)
• M21: 11,311,245 km (0.04 R)
• M22: 12,770,871 km (0.03 R)
• M23: 17,667,060 km (0.112 R)
• M24: 18,278,017 km (0.104 R)
• M25: 19,703,984 km (0.107 R)
• M26: 21,373,497 km (0.06 R)
• M27: 22,066,883 km (0.108 R)
• M28: 22,685,769 km (0.046 R)
• M29: 23,316,175 km (0.039 R)
• M30: 25,857,394 km (0.096 R)
• M31: 34,932,748 km (0.049 R)
• M32: 48,096,463 km (0.088 R)
• M33: 51,258,364 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.3

Radius: 7.4

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.34 AU - 7.84 AU

Year: 11098 Days

Day: 16.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 135.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,417,421 km

• M1: 92,302 km (0.079 R)
• M2: 690,843 km (0.093 R)
• M3: 1,009,486 km (0.095 R)
• M4: 1,582,895 km (0.044 R)
• M5: 1,934,600 km (0.12 R)
• M6: 2,337,766 km (0.055 R)
• M7: 2,598,066 km (0.096 R)
• M8: 3,244,479 km (0.074 R)
• M9: 4,367,211 km (0.078 R)
• M10: 5,372,957 km (0.084 R)
• M11: 5,630,415 km (0.106 R)
• M12: 6,310,637 km (0.116 R)
• M13: 6,744,470 km (0.082 R)
• M14: 7,006,416 km (0.091 R)
• M15: 7,275,393 km (0.071 R)
• M16: 7,998,549 km (0.072 R)
• M17: 8,250,023 km (0.083 R)
• M18: 9,447,405 km (0.055 R)
• M19: 10,605,591 km (0.069 R)
• M20: 11,063,361 km (0.057 R)
• M21: 12,741,550 km (0.101 R)
• M22: 13,200,815 km (0.115 R)
• M23: 13,910,358 km (0.088 R)
• M24: 15,860,665 km (0.097 R)
• M25: 16,392,187 km (0.081 R)
• M26: 19,005,961 km (0.04 R)
• M27: 22,543,801 km (0.068 R)
• M28: 23,987,271 km (0.102 R)
• M29: 24,511,162 km (0.084 R)
• M30: 27,151,415 km (0.105 R)
• M31: 34,514,024 km (0.119 R)
• M32: 36,657,761 km (0.084 R)
• M33: 41,959,959 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.3

Radius: 3.6

Gravity: 13.37 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 8.4 AU - 12.86 AU

Year: 22736 Days

Day: 22.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,417,421 km

• M1: 48,320 km (0.12 R)
• M2: 167,998 km (0.074 R)
• M3: 345,122 km (0.088 R)
• M4: 457,470 km (0.089 R)
• M5: 1,269,936 km (0.028 R)
• M6: 1,574,966 km (0.119 R)
• M7: 2,918,505 km (0.052 R)
• M8: 5,142,576 km (0.107 R)
• M9: 9,794,921 km (0.08 R)
• M10: 11,990,868 km (0.064 R)
• M11: 12,587,165 km (0.071 R)
• M12: 13,581,841 km (0.08 R)
• M13: 16,804,778 km (0.053 R)
• M14: 19,838,174 km (0.077 R)
• M15: 20,168,486 km (0.098 R)
• M16: 20,334,988 km (0.109 R)
• M17: 25,089,956 km (0.096 R)
• M18: 30,207,700 km (0.118 R)
• M19: 39,641,491 km (0.109 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 10,567 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit