🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.11 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.5

Radius: 10.9

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.72 AU - 2.72 AU

Year: 2136 Days

Day: 9.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,087,437 km

• M1: 138,677 km (0.084 R)
• M2: 506,090 km (0.056 R)
• M3: 875,447 km (0.112 R)
• M4: 1,278,164 km (0.089 R)
• M5: 1,874,013 km (0.111 R)
• M6: 2,336,719 km (0.044 R)
• M7: 3,319,128 km (0.116 R)
• M8: 4,366,612 km (0.051 R)
• M9: 4,865,072 km (0.097 R)
• M10: 5,353,210 km (0.083 R)
• M11: 6,620,155 km (0.105 R)
• M12: 7,458,800 km (0.029 R)
• M13: 8,301,784 km (0.044 R)
• M14: 10,176,994 km (0.117 R)
• M15: 11,213,707 km (0.071 R)
• M16: 11,737,299 km (0.096 R)
• M17: 12,192,974 km (0.092 R)
• M18: 14,274,778 km (0.098 R)
• M19: 15,228,764 km (0.058 R)
• M20: 15,871,287 km (0.044 R)
• M21: 18,290,883 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.2

Radius: 11.5

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.44 AU - 3.54 AU

Year: 3338 Days

Day: 13.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,087,437 km

• M1: 143,016 km (0.074 R)
• M2: 548,127 km (0.079 R)
• M3: 1,079,349 km (0.096 R)
• M4: 1,933,552 km (0.116 R)
• M5: 2,329,239 km (0.093 R)
• M6: 2,966,526 km (0.119 R)
• M7: 3,839,130 km (0.035 R)
• M8: 4,670,296 km (0.084 R)
• M9: 6,112,868 km (0.072 R)
• M10: 6,818,521 km (0.103 R)
• M11: 7,327,603 km (0.106 R)
• M12: 8,513,166 km (0.112 R)
• M13: 11,558,231 km (0.085 R)
• M14: 12,128,199 km (0.111 R)
• M15: 14,293,777 km (0.051 R)
• M16: 14,729,706 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.4

Radius: 13.1

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.04 AU - 3.58 AU

Year: 3888 Days

Day: 6.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,087,437 km

• M1: 163,211 km (0.111 R)
• M2: 586,723 km (0.111 R)
• M3: 1,199,177 km (0.103 R)
• M4: 2,403,739 km (0.07 R)
• M5: 3,602,766 km (0.1 R)
• M6: 4,621,677 km (0.113 R)
• M7: 5,401,979 km (0.111 R)
• M8: 6,149,370 km (0.111 R)
• M9: 7,016,290 km (0.082 R)
• M10: 7,822,921 km (0.092 R)
• M11: 9,847,429 km (0.074 R)
• M12: 11,354,179 km (0.085 R)
• M13: 12,050,408 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.4

Radius: 10.7

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.62 AU - 4.58 AU

Year: 5360 Days

Day: 5.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,087,437 km

• M1: 134,488 km (0.072 R)
• M2: 519,404 km (0.065 R)
• M3: 1,068,877 km (0.113 R)
• M4: 1,504,506 km (0.03 R)
• M5: 2,045,601 km (0.051 R)
• M6: 2,773,395 km (0.12 R)
• M7: 3,172,821 km (0.067 R)
• M8: 3,702,846 km (0.101 R)
• M9: 4,068,613 km (0.115 R)
• M10: 5,032,472 km (0.096 R)
• M11: 5,580,898 km (0.085 R)
• M12: 7,804,072 km (0.082 R)
• M13: 9,675,392 km (0.046 R)
• M14: 11,502,879 km (0.073 R)
• M15: 14,283,455 km (0.087 R)
• M16: 15,139,903 km (0.116 R)
• M17: 16,030,160 km (0.11 R)
• M18: 18,297,914 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.3

Radius: 12.4

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.23 AU - 5.27 AU

Year: 5657 Days

Day: 11.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,087,437 km

• M1: 155,582 km (0.042 R)
• M2: 582,833 km (0.088 R)
• M3: 1,265,000 km (0.091 R)
• M4: 1,776,774 km (0.088 R)
• M5: 2,470,010 km (0.034 R)
• M6: 2,880,657 km (0.098 R)
• M7: 4,070,558 km (0.099 R)
• M8: 4,932,990 km (0.092 R)
• M9: 5,331,070 km (0.049 R)
• M10: 5,750,542 km (0.112 R)
• M11: 6,392,467 km (0.102 R)
• M12: 6,806,254 km (0.084 R)
• M13: 7,237,994 km (0.055 R)
• M14: 8,398,125 km (0.042 R)
• M15: 8,895,389 km (0.077 R)
• M16: 9,640,087 km (0.112 R)
• M17: 10,027,695 km (0.109 R)
• M18: 10,710,609 km (0.1 R)
• M19: 12,125,057 km (0.114 R)
• M20: 14,651,915 km (0.092 R)
• M21: 16,391,887 km (0.108 R)
• M22: 16,889,600 km (0.054 R)
• M23: 17,741,260 km (0.097 R)
• M24: 20,981,550 km (0.079 R)
• M25: 21,502,749 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.5

Radius: 4

Gravity: 18.78 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.2 AU - 8.5 AU

Year: 12866 Days

Day: 20.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,087,437 km

• M1: 58,194 km (0.095 R)
• M2: 553,063 km (0.059 R)
• M3: 887,415 km (0.096 R)
• M4: 1,596,209 km (0.094 R)
• M5: 2,563,360 km (0.115 R)
• M6: 2,908,482 km (0.083 R)
• M7: 4,320,985 km (0.115 R)
• M8: 7,852,841 km (0.049 R)
• M9: 10,455,545 km (0.036 R)
• M10: 13,521,404 km (0.028 R)
• M11: 21,347,915 km (0.055 R)
• M12: 23,777,385 km (0.12 R)
• M13: 30,798,462 km (0.102 R)
• M14: 31,736,440 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365.9

Radius: 6

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.64 AU - 10.92 AU

Year: 18253 Days

Day: 16.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,087,437 km

• M1: 74,649 km (0.105 R)
• M2: 330,462 km (0.064 R)
• M3: 552,764 km (0.085 R)
• M4: 1,070,971 km (0.032 R)
• M5: 1,389,465 km (0.094 R)
• M6: 1,656,647 km (0.051 R)
• M7: 2,178,444 km (0.107 R)
• M8: 2,736,444 km (0.072 R)
• M9: 3,085,157 km (0.064 R)
• M10: 5,152,450 km (0.107 R)
• M11: 6,021,165 km (0.102 R)
• M12: 8,373,741 km (0.069 R)
• M13: 9,465,656 km (0.092 R)
• M14: 9,938,684 km (0.085 R)
• M15: 10,427,271 km (0.089 R)
• M16: 17,366,966 km (0.056 R)
• M17: 18,235,382 km (0.11 R)
• M18: 20,316,139 km (0.076 R)
• M19: 22,273,627 km (0.093 R)
• M20: 23,392,769 km (0.098 R)
• M21: 24,159,308 km (0.066 R)
• M22: 28,894,978 km (0.079 R)
• M23: 33,970,236 km (0.069 R)
• M24: 36,334,181 km (0.097 R)
• M25: 39,878,903 km (0.101 R)
• M26: 47,039,405 km (0.072 R)
• M27: 49,343,661 km (0.068 R)
• M28: 55,684,815 km (0.107 R)
• M29: 56,706,270 km (0.087 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 14,671 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit