🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.8

Radius: 10.1

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.79 AU - 1.25 AU

Year: 699 Days

Day: 12.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,332,879 km

• M1: 125,662 km (0.054 R)
• M2: 465,549 km (0.107 R)
• M3: 837,000 km (0.034 R)
• M4: 1,874,162 km (0.112 R)
• M5: 2,206,120 km (0.089 R)
• M6: 2,833,683 km (0.057 R)
• M7: 3,680,856 km (0.095 R)
• M8: 4,324,126 km (0.102 R)
• M9: 4,672,989 km (0.102 R)
• M10: 5,189,700 km (0.081 R)
• M11: 5,980,624 km (0.091 R)
• M12: 6,434,204 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.6

Radius: 12.1

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.32 AU - 1.9 AU

Year: 1386 Days

Day: 5.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,332,879 km

• M1: 151,692 km (0.084 R)
• M2: 593,455 km (0.087 R)
• M3: 1,075,459 km (0.069 R)
• M4: 1,545,196 km (0.116 R)
• M5: 3,085,306 km (0.094 R)
• M6: 3,595,734 km (0.089 R)
• M7: 4,345,369 km (0.089 R)
• M8: 4,928,203 km (0.061 R)
• M9: 5,496,675 km (0.102 R)
• M10: 6,346,540 km (0.059 R)
• M11: 6,866,841 km (0.11 R)
• M12: 7,308,604 km (0.119 R)
• M13: 8,049,562 km (0.082 R)
• M14: 9,176,333 km (0.077 R)
• M15: 9,553,320 km (0.086 R)
• M16: 10,850,483 km (0.054 R)
• M17: 11,487,321 km (0.119 R)
• M18: 12,719,559 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.7

Radius: 13.9

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.17 AU - 3.93 AU

Year: 4537 Days

Day: 11.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,332,879 km

• M1: 172,935 km (0.092 R)
• M2: 619,186 km (0.058 R)
• M3: 1,179,729 km (0.088 R)
• M4: 1,858,903 km (0.081 R)
• M5: 2,306,201 km (0.101 R)
• M6: 3,549,957 km (0.104 R)
• M7: 4,394,437 km (0.12 R)
• M8: 5,627,124 km (0.072 R)
• M9: 6,743,872 km (0.058 R)
• M10: 7,460,745 km (0.101 R)
• M11: 8,533,811 km (0.026 R)
• M12: 10,803,061 km (0.08 R)
• M13: 11,263,822 km (0.082 R)
• M14: 12,274,356 km (0.111 R)
• M15: 13,821,946 km (0.067 R)
• M16: 14,754,688 km (0.11 R)
• M17: 16,023,727 km (0.107 R)
• M18: 18,976,939 km (0.11 R)
• M19: 20,828,661 km (0.101 R)
• M20: 22,054,616 km (0.101 R)
• M21: 23,634,968 km (0.041 R)
• M22: 24,650,438 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.3

Radius: 4.9

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.56 AU - 7.14 AU

Year: 10853 Days

Day: 18.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,332,879 km

• M1: 61,784 km (0.085 R)
• M2: 514,916 km (0.11 R)
• M3: 768,035 km (0.093 R)
• M4: 1,549,834 km (0.097 R)
• M5: 1,949,111 km (0.06 R)
• M6: 2,331,932 km (0.092 R)
• M7: 2,672,865 km (0.111 R)
• M8: 3,760,142 km (0.113 R)
• M9: 4,477,315 km (0.09 R)
• M10: 5,003,600 km (0.028 R)
• M11: 5,395,995 km (0.04 R)
• M12: 7,454,312 km (0.109 R)
• M13: 9,768,143 km (0.059 R)
• M14: 12,520,444 km (0.09 R)
• M15: 12,929,445 km (0.042 R)
• M16: 15,572,989 km (0.053 R)
• M17: 15,986,328 km (0.092 R)
• M18: 16,528,470 km (0.1 R)
• M19: 17,207,794 km (0.063 R)
• M20: 17,459,268 km (0.087 R)
• M21: 19,697,402 km (0.079 R)
• M22: 22,868,129 km (0.093 R)
• M23: 26,446,510 km (0.032 R)
• M24: 28,587,256 km (0.117 R)
• M25: 28,763,332 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.9

Radius: 3.2

Gravity: 57.9 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.84 AU - 7.2 AU

Year: 12615 Days

Day: 16.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,332,879 km

• M1: 39,793 km (0.106 R)
• M2: 382,671 km (0.079 R)
• M3: 852,708 km (0.064 R)
• M4: 1,088,773 km (0.078 R)
• M5: 1,802,505 km (0.075 R)
• M6: 2,404,038 km (0.107 R)
• M7: 2,895,317 km (0.097 R)
• M8: 3,450,624 km (0.067 R)
• M9: 4,073,400 km (0.104 R)
• M10: 4,247,532 km (0.07 R)
• M11: 4,961,114 km (0.106 R)
• M12: 5,787,493 km (0.098 R)
• M13: 7,067,602 km (0.098 R)
• M14: 7,533,300 km (0.119 R)
• M15: 10,437,892 km (0.113 R)
• M16: 12,195,966 km (0.079 R)
• M17: 13,685,363 km (0.098 R)
• M18: 15,153,367 km (0.101 R)
• M19: 17,776,416 km (0.038 R)
• M20: 21,635,442 km (0.079 R)
• M21: 23,341,905 km (0.108 R)
• M22: 23,619,409 km (0.079 R)
• M23: 27,020,068 km (0.086 R)
• M24: 28,677,762 km (0.105 R)
• M25: 39,150,062 km (0.057 R)
• M26: 39,935,750 km (0.084 R)
• M27: 41,673,928 km (0.082 R)
• M28: 46,166,202 km (0.095 R)
• M29: 46,311,611 km (0.089 R)
• M30: 50,970,538 km (0.027 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 16,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit