🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358

Radius: 9.7

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.66 AU - 0.84 AU

Year: 441 Days

Day: 10.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,935,028 km

• M1: 120,576 km (0.09 R)
• M2: 432,487 km (0.093 R)
• M3: 773,271 km (0.103 R)
• M4: 1,129,763 km (0.052 R)
• M5: 1,495,231 km (0.077 R)
• M6: 1,880,445 km (0.051 R)
• M7: 2,524,614 km (0.093 R)
• M8: 2,834,580 km (0.095 R)
• M9: 3,694,020 km (0.037 R)
• M10: 4,499,455 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.3

Radius: 11.3

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.92 AU - 2.06 AU

Year: 1904 Days

Day: 12.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,935,028 km

• M1: 141,071 km (0.07 R)
• M2: 511,026 km (0.051 R)
• M3: 876,195 km (0.101 R)
• M4: 1,449,155 km (0.098 R)
• M5: 2,001,171 km (0.104 R)
• M6: 3,256,446 km (0.066 R)
• M7: 3,636,275 km (0.077 R)
• M8: 4,029,568 km (0.098 R)
• M9: 4,921,321 km (0.086 R)
• M10: 5,792,130 km (0.104 R)
• M11: 6,398,002 km (0.068 R)
• M12: 8,230,576 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.7

Radius: 10.7

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.23 AU - 5.01 AU

Year: 5672 Days

Day: 11.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,935,028 km

• M1: 133,142 km (0.109 R)
• M2: 703,110 km (0.114 R)
• M3: 2,051,884 km (0.101 R)
• M4: 2,712,509 km (0.103 R)
• M5: 4,366,612 km (0.08 R)
• M6: 5,398,389 km (0.109 R)
• M7: 8,997,414 km (0.089 R)
• M8: 10,790,046 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.4

Radius: 8.1

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.94 AU - 6.24 AU

Year: 7789 Days

Day: 5.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,935,028 km

• M1: 100,679 km (0.115 R)
• M2: 386,411 km (0.094 R)
• M3: 830,418 km (0.103 R)
• M4: 1,138,440 km (0.091 R)
• M5: 2,191,310 km (0.065 R)
• M6: 2,516,087 km (0.12 R)
• M7: 3,447,782 km (0.06 R)
• M8: 6,180,486 km (0.062 R)
• M9: 6,537,277 km (0.079 R)
• M10: 8,359,230 km (0.051 R)
• M11: 9,906,820 km (0.043 R)
• M12: 10,297,121 km (0.041 R)
• M13: 10,901,646 km (0.041 R)
• M14: 11,744,330 km (0.081 R)
• M15: 14,346,735 km (0.039 R)
• M16: 21,539,251 km (0.099 R)
• M17: 22,111,912 km (0.1 R)
• M18: 22,527,195 km (0.096 R)
• M19: 25,129,151 km (0.116 R)
• M20: 27,924,836 km (0.099 R)
• M21: 28,215,355 km (0.082 R)
• M22: 32,390,482 km (0.077 R)
• M23: 37,193,172 km (0.096 R)
• M24: 37,544,877 km (0.056 R)
• M25: 38,613,604 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.7

Radius: 11.6

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.16 AU - 5.7 AU

Year: 8582 Days

Day: 6 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,935,028 km

• M1: 168,298 km (0.028 R)
• M2: 1,147,116 km (0.051 R)
• M3: 1,801,906 km (0.109 R)
• M4: 3,055,237 km (0.069 R)
• M5: 4,073,550 km (0.069 R)
• M6: 4,844,877 km (0.101 R)
• M7: 5,492,187 km (0.101 R)
• M8: 5,879,196 km (0.077 R)
• M9: 7,614,382 km (0.108 R)
• M10: 8,859,036 km (0.069 R)
• M11: 13,062,288 km (0.106 R)
• M12: 13,554,764 km (0.07 R)
• M13: 15,925,591 km (0.096 R)
• M14: 16,659,069 km (0.102 R)
• M15: 18,011,733 km (0.12 R)
• M16: 24,828,011 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444.8

Radius: 3.6

Gravity: 34.32 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.89 AU - 9.15 AU

Year: 15405 Days

Day: 23.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,935,028 km

• M1: 46,525 km (0.092 R)
• M2: 196,572 km (0.101 R)
• M3: 367,412 km (0.093 R)
• M4: 514,467 km (0.032 R)
• M5: 868,266 km (0.098 R)
• M6: 994,826 km (0.11 R)
• M7: 1,170,304 km (0.098 R)
• M8: 1,840,503 km (0.072 R)
• M9: 2,519,677 km (0.089 R)
• M10: 2,846,847 km (0.097 R)
• M11: 3,080,220 km (0.105 R)
• M12: 3,402,604 km (0.104 R)
• M13: 3,719,601 km (0.091 R)
• M14: 4,056,047 km (0.095 R)
• M15: 4,231,675 km (0.052 R)
• M16: 5,571,025 km (0.067 R)
• M17: 8,141,415 km (0.075 R)
• M18: 8,563,431 km (0.076 R)
• M19: 9,811,825 km (0.088 R)
• M20: 13,943,120 km (0.09 R)
• M21: 14,209,105 km (0.053 R)
• M22: 15,518,984 km (0.115 R)
• M23: 17,133,743 km (0.115 R)
• M24: 17,285,884 km (0.098 R)
• M25: 18,776,328 km (0.112 R)
• M26: 20,951,631 km (0.091 R)
• M27: 24,137,317 km (0.12 R)
• M28: 25,596,196 km (0.101 R)
• M29: 26,095,105 km (0.112 R)
• M30: 28,156,264 km (0.025 R)
• M31: 30,434,490 km (0.032 R)
• M32: 32,482,634 km (0.103 R)
• M33: 48,834,879 km (0.096 R)
• M34: 52,270,244 km (0.053 R)
• M35: 53,558,431 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.7

Radius: 4.7

Gravity: 36.75 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 8.29 AU - 9.95 AU

Year: 18680 Days

Day: 24.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 76,935,028 km

• M1: 58,642 km (0.115 R)
• M2: 215,870 km (0.109 R)
• M3: 373,396 km (0.106 R)
• M4: 545,135 km (0.085 R)
• M5: 750,233 km (0.117 R)
• M6: 934,089 km (0.107 R)
• M7: 1,489,097 km (0.079 R)
• M8: 2,196,994 km (0.05 R)
• M9: 2,415,856 km (0.085 R)
• M10: 3,440,003 km (0.092 R)
• M11: 3,735,608 km (0.053 R)
• M12: 5,090,068 km (0.099 R)
• M13: 5,279,758 km (0.052 R)
• M14: 6,518,278 km (0.112 R)
• M15: 6,741,927 km (0.065 R)
• M16: 9,047,679 km (0.025 R)
• M17: 9,610,466 km (0.109 R)
• M18: 11,830,648 km (0.107 R)
• M19: 16,252,163 km (0.091 R)
• M20: 17,508,037 km (0.105 R)
• M21: 18,203,518 km (0.1 R)
• M22: 19,098,711 km (0.117 R)
• M23: 19,835,630 km (0.032 R)
• M24: 20,495,955 km (0.07 R)
• M25: 21,170,642 km (0.084 R)
• M26: 35,704,973 km (0.095 R)
• M27: 37,104,461 km (0.109 R)
• M28: 37,674,429 km (0.034 R)
• M29: 38,395,042 km (0.099 R)
• M30: 40,311,540 km (0.072 R)
• M31: 40,611,932 km (0.1 R)
• M32: 41,065,363 km (0.086 R)
• M33: 46,772,223 km (0.057 R)
• M34: 49,298,183 km (0.109 R)
• M35: 52,447,667 km (0.096 R)
• M36: 65,141,495 km (0.11 R)
• M37: 67,016,705 km (0.091 R)
• M38: 67,438,271 km (0.099 R)
• M39: 69,142,191 km (0.119 R)
• M40: 73,527,204 km (0.062 R)
• M41: 74,877,923 km (0.034 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 14,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit