🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.1

Radius: 11.5

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.4 AU - 0.62 AU

Year: 247 Days

Day: 10.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 114.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 90,091,003 km

• M1: 143,016 km (0.105 R)
• M2: 506,688 km (0.119 R)
• M3: 949,049 km (0.049 R)
• M4: 1,517,670 km (0.112 R)
• M5: 2,078,662 km (0.072 R)
• M6: 2,655,961 km (0.063 R)
• M7: 3,444,491 km (0.069 R)
• M8: 3,847,358 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.8

Radius: 8.1

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.52 AU - 0.84 AU

Year: 380 Days

Day: 5.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,091,003 km

• M1: 101,278 km (0.054 R)
• M2: 407,804 km (0.06 R)
• M3: 762,949 km (0.081 R)
• M4: 1,080,396 km (0.102 R)
• M5: 1,386,323 km (0.081 R)
• M6: 2,304,854 km (0.062 R)
• M7: 2,920,150 km (0.107 R)
• M8: 3,441,499 km (0.09 R)
• M9: 4,010,719 km (0.056 R)
• M10: 4,711,884 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.6

Radius: 11.6

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.84 AU - 1.14 AU

Year: 668 Days

Day: 7 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,091,003 km

• M1: 168,148 km (0.072 R)
• M2: 553,213 km (0.11 R)
• M3: 1,058,106 km (0.092 R)
• M4: 1,419,684 km (0.088 R)
• M5: 1,802,206 km (0.087 R)
• M6: 2,464,176 km (0.111 R)
• M7: 3,082,315 km (0.1 R)
• M8: 3,567,012 km (0.088 R)
• M9: 4,538,500 km (0.096 R)
• M10: 5,402,278 km (0.11 R)
• M11: 5,766,699 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.5

Radius: 14.4

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.33 AU - 1.57 AU

Year: 1184 Days

Day: 8.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,091,003 km

• M1: 179,069 km (0.111 R)
• M2: 660,026 km (0.098 R)
• M3: 1,149,510 km (0.106 R)
• M4: 1,970,653 km (0.049 R)
• M5: 2,785,512 km (0.041 R)
• M6: 3,551,902 km (0.106 R)
• M7: 5,264,648 km (0.058 R)
• M8: 5,885,928 km (0.102 R)
• M9: 6,933,562 km (0.048 R)
• M10: 7,527,765 km (0.091 R)
• M11: 8,209,782 km (0.068 R)
• M12: 9,251,132 km (0.082 R)
• M13: 10,003,460 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.9

Radius: 14.5

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.53 AU - 2.57 AU

Year: 2762 Days

Day: 13.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 90,091,003 km

• M1: 192,383 km (0.086 R)
• M2: 811,419 km (0.103 R)
• M3: 1,392,008 km (0.057 R)
• M4: 1,973,346 km (0.099 R)
• M5: 2,489,009 km (0.107 R)
• M6: 4,117,083 km (0.109 R)
• M7: 5,260,160 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.6

Radius: 10.2

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.63 AU - 2.95 AU

Year: 3161 Days

Day: 6.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,091,003 km

• M1: 126,859 km (0.119 R)
• M2: 642,523 km (0.117 R)
• M3: 1,034,469 km (0.097 R)
• M4: 1,675,197 km (0.038 R)
• M5: 2,062,506 km (0.113 R)
• M6: 2,549,597 km (0.118 R)
• M7: 3,755,804 km (0.119 R)
• M8: 4,100,328 km (0.057 R)
• M9: 4,728,639 km (0.097 R)
• M10: 7,728,076 km (0.075 R)
• M11: 8,198,113 km (0.079 R)
• M12: 8,593,949 km (0.092 R)
• M13: 9,589,822 km (0.118 R)
• M14: 10,237,132 km (0.108 R)
• M15: 12,633,540 km (0.095 R)
• M16: 13,833,764 km (0.093 R)
• M17: 14,571,730 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906

Radius: 11.3

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.59 AU - 3.97 AU

Year: 4029 Days

Day: 13.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,091,003 km

• M1: 140,921 km (0.105 R)
• M2: 525,537 km (0.099 R)
• M3: 1,024,745 km (0.11 R)
• M4: 1,552,377 km (0.048 R)
• M5: 2,080,308 km (0.089 R)
• M6: 2,573,532 km (0.112 R)
• M7: 3,753,710 km (0.08 R)
• M8: 4,738,662 km (0.119 R)
• M9: 5,319,401 km (0.079 R)
• M10: 6,784,263 km (0.081 R)
• M11: 7,557,834 km (0.096 R)
• M12: 8,166,697 km (0.105 R)
• M13: 10,106,084 km (0.113 R)
• M14: 11,574,238 km (0.1 R)
• M15: 12,481,399 km (0.108 R)
• M16: 14,062,649 km (0.101 R)
• M17: 14,654,607 km (0.098 R)
• M18: 17,992,286 km (0.06 R)
• M19: 19,472,108 km (0.091 R)
• M20: 20,005,274 km (0.118 R)
• M21: 27,352,923 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 313.4

Radius: 6.3

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 7.69 AU - 7.81 AU

Year: 14633 Days

Day: 15 Hours

Environment

Temp: -237 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,091,003 km

• M1: 78,389 km (0.044 R)
• M2: 276,756 km (0.077 R)
• M3: 512,223 km (0.062 R)
• M4: 743,651 km (0.113 R)
• M5: 1,480,570 km (0.106 R)
• M6: 1,996,234 km (0.084 R)
• M7: 2,389,527 km (0.081 R)
• M8: 4,182,457 km (0.046 R)
• M9: 5,012,875 km (0.081 R)
• M10: 5,635,801 km (0.098 R)
• M11: 7,397,166 km (0.114 R)
• M12: 11,849,797 km (0.108 R)
• M13: 16,661,612 km (0.067 R)
• M14: 17,161,120 km (0.094 R)
• M15: 17,818,154 km (0.084 R)
• M16: 18,115,405 km (0.065 R)
• M17: 20,129,291 km (0.081 R)
• M18: 21,190,090 km (0.101 R)
• M19: 23,959,296 km (0.083 R)
• M20: 25,618,336 km (0.103 R)
• M21: 27,748,311 km (0.089 R)
• M22: 31,160,339 km (0.103 R)
• M23: 32,467,375 km (0.114 R)
• M24: 38,555,111 km (0.075 R)
• M25: 41,996,909 km (0.106 R)
• M26: 44,948,475 km (0.117 R)
• M27: 45,223,436 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.3

Radius: 7.5

Gravity: 14.23 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 10.05 AU - 11.41 AU

Year: 23839 Days

Day: 17.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 90,091,003 km

• M1: 93,499 km (0.116 R)
• M2: 824,135 km (0.096 R)
• M3: 1,246,449 km (0.116 R)
• M4: 1,787,096 km (0.061 R)
• M5: 2,646,686 km (0.075 R)
• M6: 3,661,857 km (0.027 R)
• M7: 5,639,840 km (0.079 R)
• M8: 5,939,933 km (0.056 R)
• M9: 6,808,797 km (0.072 R)
• M10: 7,552,449 km (0.109 R)
• M11: 8,853,352 km (0.114 R)
• M12: 11,752,858 km (0.092 R)
• M13: 14,107,827 km (0.094 R)
• M14: 16,936,274 km (0.092 R)
• M15: 17,743,953 km (0.111 R)
• M16: 18,296,418 km (0.051 R)
• M17: 19,146,583 km (0.066 R)
• M18: 19,532,844 km (0.063 R)
• M19: 20,121,811 km (0.072 R)
• M20: 21,027,477 km (0.098 R)
• M21: 23,136,956 km (0.077 R)
• M22: 24,695,018 km (0.069 R)
• M23: 28,516,496 km (0.098 R)
• M24: 29,274,359 km (0.093 R)
• M25: 31,628,730 km (0.081 R)
• M26: 35,247,951 km (0.1 R)
• M27: 39,134,055 km (0.063 R)
• M28: 40,543,267 km (0.089 R)
• M29: 48,812,888 km (0.076 R)
• M30: 56,739,929 km (0.108 R)
• M31: 58,543,332 km (0.044 R)
• M32: 69,490,156 km (0.11 R)
• M33: 79,220,899 km (0.228 R)
• M34: 80,717,027 km (0.115 R)
• M35: 87,948,289 km (0.106 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 18,454 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit