🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.8

Radius: 13.3

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.47 AU - 0.65 AU

Year: 289 Days

Day: 12.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,479,279 km

• M1: 166,951 km (0.087 R)
• M2: 630,854 km (0.112 R)
• M3: 1,602,193 km (0.043 R)
• M4: 2,249,653 km (0.051 R)
• M5: 2,723,878 km (0.055 R)
• M6: 3,482,190 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.4

Radius: 15

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.79 AU - 0.91 AU

Year: 541 Days

Day: 5.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,479,279 km

• M1: 201,209 km (0.059 R)
• M2: 696,378 km (0.087 R)
• M3: 1,166,863 km (0.097 R)
• M4: 1,713,195 km (0.111 R)
• M5: 2,275,084 km (0.115 R)
• M6: 3,043,269 km (0.099 R)
• M7: 4,468,488 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.8

Radius: 14.1

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.07 AU - 1.63 AU

Year: 1083 Days

Day: 5.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,479,279 km

• M1: 175,478 km (0.115 R)
• M2: 686,953 km (0.055 R)
• M3: 1,429,707 km (0.085 R)
• M4: 1,872,068 km (0.059 R)
• M5: 2,787,008 km (0.094 R)
• M6: 4,949,446 km (0.037 R)
• M7: 5,442,969 km (0.045 R)
• M8: 5,988,852 km (0.106 R)
• M9: 6,612,675 km (0.07 R)
• M10: 7,779,688 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.1

Radius: 8.9

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.24 AU - 1.6 AU

Year: 1168 Days

Day: 13.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,479,279 km

• M1: 111,301 km (0.083 R)
• M2: 414,237 km (0.034 R)
• M3: 1,009,187 km (0.073 R)
• M4: 1,487,751 km (0.117 R)
• M5: 1,785,151 km (0.084 R)
• M6: 2,133,415 km (0.12 R)
• M7: 2,454,003 km (0.097 R)
• M8: 2,940,945 km (0.115 R)
• M9: 3,584,066 km (0.049 R)
• M10: 4,040,040 km (0.109 R)
• M11: 4,950,642 km (0.114 R)
• M12: 6,216,689 km (0.081 R)
• M13: 7,503,829 km (0.058 R)
• M14: 8,362,371 km (0.069 R)
• M15: 8,815,354 km (0.078 R)
• M16: 10,826,548 km (0.036 R)
• M17: 11,675,815 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38

Radius: 9.1

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.14 AU - 1.7 AU

Year: 1168 Days

Day: 9.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,479,279 km

• M1: 113,246 km (0.094 R)
• M2: 589,565 km (0.056 R)
• M3: 991,535 km (0.1 R)
• M4: 2,753,947 km (0.066 R)
• M5: 3,072,441 km (0.099 R)
• M6: 4,069,062 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.8

Radius: 9.2

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.41 AU - 2.8 AU

Year: 2894 Days

Day: 12.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,479,279 km

• M1: 114,442 km (0.12 R)
• M2: 476,918 km (0.084 R)
• M3: 857,645 km (0.026 R)
• M4: 1,149,211 km (0.091 R)
• M5: 2,063,553 km (0.118 R)
• M6: 2,430,517 km (0.058 R)
• M7: 2,810,196 km (0.107 R)
• M8: 4,357,038 km (0.097 R)
• M9: 5,172,646 km (0.102 R)
• M10: 5,905,825 km (0.092 R)
• M11: 6,431,960 km (0.117 R)
• M12: 6,989,063 km (0.043 R)
• M13: 8,231,623 km (0.078 R)
• M14: 8,555,801 km (0.114 R)
• M15: 9,299,303 km (0.059 R)
• M16: 10,085,140 km (0.103 R)
• M17: 12,623,368 km (0.051 R)
• M18: 13,011,574 km (0.09 R)
• M19: 13,902,729 km (0.092 R)
• M20: 16,614,489 km (0.1 R)
• M21: 18,532,932 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.5

Radius: 4

Gravity: 59.28 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.77 AU - 8.01 AU

Year: 12484 Days

Day: 17 Hours

Environment

Temp: -237 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 53,479,279 km

• M1: 50,414 km (0.104 R)
• M2: 234,569 km (0.083 R)
• M3: 422,913 km (0.052 R)
• M4: 673,490 km (0.11 R)
• M5: 894,745 km (0.117 R)
• M6: 1,150,108 km (0.063 R)
• M7: 2,154,808 km (0.118 R)
• M8: 2,503,820 km (0.072 R)
• M9: 3,109,093 km (0.093 R)
• M10: 4,253,217 km (0.107 R)
• M11: 4,569,916 km (0.116 R)
• M12: 4,902,173 km (0.097 R)
• M13: 6,034,778 km (0.089 R)
• M14: 6,516,483 km (0.109 R)
• M15: 7,110,536 km (0.091 R)
• M16: 7,647,742 km (0.093 R)
• M17: 8,259,598 km (0.116 R)
• M18: 8,652,142 km (0.108 R)
• M19: 8,852,903 km (0.096 R)
• M20: 9,421,225 km (0.11 R)
• M21: 9,795,369 km (0.111 R)
• M22: 10,860,656 km (0.073 R)
• M23: 11,094,328 km (0.092 R)
• M24: 12,250,719 km (0.045 R)
• M25: 13,021,148 km (0.097 R)
• M26: 14,028,840 km (0.106 R)
• M27: 15,451,814 km (0.104 R)
• M28: 21,828,872 km (0.095 R)
• M29: 25,333,352 km (0.091 R)
• M30: 25,847,969 km (0.055 R)
• M31: 27,325,697 km (0.116 R)
• M32: 30,103,131 km (0.118 R)
• M33: 31,737,936 km (0.106 R)
• M34: 32,698,055 km (0.092 R)
• M35: 33,307,966 km (0.115 R)
• M36: 35,566,295 km (0.036 R)
• M37: 37,391,689 km (0.091 R)
• M38: 42,659,478 km (0.084 R)
• M39: 47,151,753 km (0.067 R)
• M40: 54,978,115 km (0.12 R)
• M41: 57,945,090 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390.8

Radius: 5.7

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 7.68 AU - 11.26 AU

Year: 20116 Days

Day: 21.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 53,479,279 km

• M1: 71,059 km (0.069 R)
• M2: 297,550 km (0.113 R)
• M3: 498,161 km (0.06 R)
• M4: 682,316 km (0.097 R)
• M5: 945,608 km (0.082 R)
• M6: 1,344,286 km (0.08 R)
• M7: 1,598,304 km (0.108 R)
• M8: 1,884,036 km (0.119 R)
• M9: 2,324,302 km (0.112 R)
• M10: 2,536,133 km (0.07 R)
• M11: 3,147,988 km (0.092 R)
• M12: 3,434,618 km (0.053 R)
• M13: 6,852,630 km (0.112 R)
• M14: 7,745,879 km (0.114 R)
• M15: 11,544,767 km (0.11 R)
• M16: 13,739,068 km (0.086 R)
• M17: 14,504,710 km (0.058 R)
• M18: 19,017,779 km (0.108 R)
• M19: 21,868,666 km (0.107 R)
• M20: 22,911,063 km (0.112 R)
• M21: 23,986,074 km (0.056 R)
• M22: 24,485,731 km (0.092 R)
• M23: 24,890,393 km (0.096 R)
• M24: 25,921,571 km (0.066 R)
• M25: 28,068,749 km (0.092 R)
• M26: 30,099,989 km (0.058 R)
• M27: 30,564,341 km (0.072 R)
• M28: 32,227,271 km (0.097 R)
• M29: 33,451,430 km (0.083 R)
• M30: 42,172,837 km (0.102 R)
• M31: 42,462,907 km (0.113 R)
• M32: 43,784,454 km (0.118 R)
• M33: 44,981,985 km (0.101 R)
• M34: 48,705,476 km (0.03 R)
• M35: 49,024,868 km (0.094 R)
• M36: 52,294,628 km (0.076 R)
• M37: 53,303,217 km (0.096 R)
• M38: 60,729,106 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.2

Radius: 3.9

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 9.21 AU - 11.41 AU

Year: 22851 Days

Day: 16.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,479,279 km

• M1: 49,218 km (0.053 R)
• M2: 236,065 km (0.094 R)
• M3: 733,179 km (0.045 R)
• M4: 924,066 km (0.12 R)
• M5: 1,234,033 km (0.111 R)
• M6: 3,169,380 km (0.109 R)
• M7: 3,545,619 km (0.069 R)
• M8: 4,662,367 km (0.045 R)
• M9: 5,490,242 km (0.111 R)
• M10: 7,824,417 km (0.113 R)
• M11: 8,461,854 km (0.12 R)
• M12: 8,697,770 km (0.056 R)
• M13: 13,472,485 km (0.119 R)
• M14: 15,761,332 km (0.093 R)
• M15: 16,046,616 km (0.099 R)
• M16: 16,408,044 km (0.108 R)
• M17: 16,701,106 km (0.106 R)
• M18: 18,062,896 km (0.114 R)
• M19: 19,172,014 km (0.052 R)
• M20: 21,177,523 km (0.066 R)
• M21: 21,699,919 km (0.11 R)
• M22: 25,306,724 km (0.106 R)
• M23: 32,630,587 km (0.067 R)
• M24: 39,915,554 km (0.103 R)
• M25: 46,585,824 km (0.063 R)
• M26: 48,063,103 km (0.029 R)
• M27: 50,029,866 km (0.099 R)
• M28: 52,840,661 km (0.063 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 15,834 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit