🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.9

Radius: 8.3

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.47 AU - 0.73 AU

Year: 315 Days

Day: 9.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,329,970 km

• M1: 103,522 km (0.035 R)
• M2: 414,685 km (0.119 R)
• M3: 739,612 km (0.082 R)
• M4: 1,047,933 km (0.119 R)
• M5: 1,317,060 km (0.097 R)
• M6: 1,582,297 km (0.094 R)
• M7: 2,215,096 km (0.059 R)
• M8: 3,016,641 km (0.064 R)
• M9: 3,494,905 km (0.088 R)
• M10: 3,856,783 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.4

Radius: 14.5

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.6 AU - 1.78 AU

Year: 1490 Days

Day: 14.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,329,970 km

• M1: 180,265 km (0.113 R)
• M2: 667,356 km (0.106 R)
• M3: 1,128,267 km (0.105 R)
• M4: 1,969,007 km (0.112 R)
• M5: 2,940,197 km (0.086 R)
• M6: 3,566,114 km (0.105 R)
• M7: 4,211,479 km (0.1 R)
• M8: 5,107,720 km (0.104 R)
• M9: 5,654,052 km (0.094 R)
• M10: 6,558,520 km (0.104 R)
• M11: 7,711,920 km (0.092 R)
• M12: 8,242,095 km (0.082 R)
• M13: 9,170,349 km (0.072 R)
• M14: 9,980,721 km (0.077 R)
• M15: 10,451,356 km (0.081 R)
• M16: 10,969,713 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.7

Radius: 14.5

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.43 AU - 2.77 AU

Year: 2843 Days

Day: 14.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,329,970 km

• M1: 180,864 km (0.108 R)
• M2: 666,309 km (0.107 R)
• M3: 1,230,891 km (0.088 R)
• M4: 1,749,996 km (0.116 R)
• M5: 2,527,306 km (0.103 R)
• M6: 3,403,651 km (0.111 R)
• M7: 4,687,948 km (0.083 R)
• M8: 5,181,771 km (0.084 R)
• M9: 5,911,509 km (0.106 R)
• M10: 6,435,401 km (0.113 R)
• M11: 6,904,989 km (0.083 R)
• M12: 8,007,076 km (0.099 R)
• M13: 8,683,109 km (0.05 R)
• M14: 9,431,996 km (0.088 R)
• M15: 10,186,568 km (0.085 R)
• M16: 11,614,031 km (0.082 R)
• M17: 15,345,151 km (0.057 R)
• M18: 16,491,968 km (0.062 R)
• M19: 18,400,837 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.1

Radius: 11.1

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.03 AU - 4.77 AU

Year: 6260 Days

Day: 8.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,329,970 km

• M1: 138,079 km (0.032 R)
• M2: 499,208 km (0.103 R)
• M3: 1,279,660 km (0.057 R)
• M4: 1,634,506 km (0.096 R)
• M5: 2,157,650 km (0.119 R)
• M6: 3,845,264 km (0.084 R)
• M7: 5,174,890 km (0.065 R)
• M8: 7,223,932 km (0.032 R)
• M9: 7,892,185 km (0.087 R)
• M10: 8,297,595 km (0.055 R)
• M11: 8,991,131 km (0.077 R)
• M12: 9,392,951 km (0.108 R)
• M13: 10,715,247 km (0.115 R)
• M14: 11,259,035 km (0.085 R)
• M15: 12,206,438 km (0.075 R)
• M16: 13,725,904 km (0.071 R)
• M17: 14,313,524 km (0.073 R)
• M18: 15,198,096 km (0.11 R)
• M19: 15,596,476 km (0.053 R)
• M20: 18,134,553 km (0.089 R)
• M21: 20,312,997 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625.1

Radius: 6.3

Gravity: 15.75 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.39 AU - 7.25 AU

Year: 9523 Days

Day: 20.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,329,970 km

• M1: 78,389 km (0.06 R)
• M2: 723,007 km (0.082 R)
• M3: 1,340,397 km (0.092 R)
• M4: 3,853,192 km (0.104 R)
• M5: 4,226,888 km (0.074 R)
• M6: 4,451,135 km (0.09 R)
• M7: 5,267,191 km (0.106 R)
• M8: 6,107,931 km (0.089 R)
• M9: 6,504,964 km (0.098 R)
• M10: 7,270,905 km (0.107 R)
• M11: 7,471,366 km (0.096 R)
• M12: 13,650,507 km (0.089 R)
• M13: 14,644,734 km (0.062 R)
• M14: 18,879,550 km (0.091 R)
• M15: 21,070,860 km (0.053 R)
• M16: 23,513,494 km (0.104 R)
• M17: 23,864,600 km (0.118 R)
• M18: 27,183,429 km (0.068 R)
• M19: 36,917,314 km (0.108 R)
• M20: 42,880,434 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.3

Radius: 4

Gravity: 51.71 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 9.16 AU - 10 AU

Year: 20111 Days

Day: 16.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,329,970 km

• M1: 49,816 km (0.119 R)
• M2: 258,804 km (0.116 R)
• M3: 428,299 km (0.106 R)
• M4: 770,728 km (0.093 R)
• M5: 1,051,673 km (0.096 R)
• M6: 1,230,442 km (0.101 R)
• M7: 1,631,814 km (0.109 R)
• M8: 1,951,205 km (0.096 R)
• M9: 2,542,117 km (0.085 R)
• M10: 3,272,603 km (0.12 R)
• M11: 3,594,687 km (0.04 R)
• M12: 4,335,945 km (0.061 R)
• M13: 5,489,344 km (0.046 R)
• M14: 5,943,523 km (0.097 R)
• M15: 6,114,813 km (0.114 R)
• M16: 7,260,583 km (0.108 R)
• M17: 7,605,556 km (0.073 R)
• M18: 8,064,821 km (0.049 R)
• M19: 12,150,489 km (0.119 R)
• M20: 16,573,798 km (0.056 R)
• M21: 17,170,993 km (0.116 R)
• M22: 19,327,447 km (0.037 R)
• M23: 22,063,741 km (0.112 R)
• M24: 24,715,363 km (0.032 R)
• M25: 26,060,547 km (0.084 R)
• M26: 29,140,768 km (0.086 R)
• M27: 34,891,459 km (0.086 R)
• M28: 39,820,410 km (0.077 R)
• M29: 44,050,290 km (0.116 R)
• M30: 48,053,080 km (0.076 R)
• M31: 53,943,047 km (0.068 R)
• M32: 56,198,684 km (0.101 R)
• M33: 57,543,120 km (0.067 R)
• M34: 59,302,990 km (0.118 R)
• M35: 63,962,814 km (0.104 R)
• M36: 65,217,341 km (0.112 R)
• M37: 73,774,040 km (0.11 R)
• M38: 75,385,060 km (0.084 R)
• M39: 81,086,384 km (0.051 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 12,412 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit