🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.5

Radius: 8.2

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.55 AU - 0.83 AU

Year: 364 Days

Day: 12 Hours

Environment

Temp: -138 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,664,141 km

• M1: 103,073 km (0.117 R)
• M2: 384,317 km (0.094 R)
• M3: 1,023,399 km (0.069 R)
• M4: 1,289,982 km (0.113 R)
• M5: 1,616,854 km (0.066 R)
• M6: 2,069,387 km (0.113 R)
• M7: 2,431,115 km (0.06 R)
• M8: 2,854,477 km (0.095 R)
• M9: 3,460,648 km (0.099 R)
• M10: 3,910,488 km (0.067 R)
• M11: 4,685,854 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.4

Radius: 9.6

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.65 AU - 1.03 AU

Year: 489 Days

Day: 11 Hours

Environment

Temp: -145 °C

Axial Tilt: 68.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,664,141 km

• M1: 119,379 km (0.106 R)
• M2: 532,269 km (0.098 R)
• M3: 937,829 km (0.107 R)
• M4: 1,679,984 km (0.106 R)
• M5: 2,053,680 km (0.091 R)
• M6: 2,404,038 km (0.109 R)
• M7: 3,039,380 km (0.088 R)
• M8: 3,690,280 km (0.033 R)
• M9: 4,642,770 km (0.109 R)
• M10: 5,592,866 km (0.12 R)
• M11: 5,948,909 km (0.101 R)
• M12: 6,282,363 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.3

Radius: 10.6

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.71 AU - 1.07 AU

Year: 534 Days

Day: 12.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,664,141 km

• M1: 133,740 km (0.087 R)
• M2: 497,712 km (0.03 R)
• M3: 866,770 km (0.096 R)
• M4: 2,054,128 km (0.067 R)
• M5: 2,714,902 km (0.037 R)
• M6: 3,216,205 km (0.117 R)
• M7: 4,352,550 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.2

Radius: 14.4

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.9 AU - 0.94 AU

Year: 561 Days

Day: 11.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,664,141 km

• M1: 179,069 km (0.079 R)
• M2: 658,679 km (0.11 R)
• M3: 1,141,581 km (0.086 R)
• M4: 1,785,899 km (0.077 R)
• M5: 2,626,939 km (0.09 R)
• M6: 3,082,165 km (0.072 R)
• M7: 3,906,150 km (0.029 R)
• M8: 4,400,272 km (0.085 R)
• M9: 5,146,316 km (0.108 R)
• M10: 5,654,500 km (0.096 R)
• M11: 6,214,894 km (0.087 R)
• M12: 6,733,101 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.9

Radius: 13.5

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.92 AU - 1.32 AU

Year: 754 Days

Day: 7.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,664,141 km

• M1: 168,597 km (0.096 R)
• M2: 777,460 km (0.078 R)
• M3: 1,443,320 km (0.082 R)
• M4: 2,039,468 km (0.114 R)
• M5: 2,490,805 km (0.11 R)
• M6: 3,079,323 km (0.115 R)
• M7: 3,817,588 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.9

Radius: 9.3

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.6 AU - 1.84 AU

Year: 1434 Days

Day: 9 Hours

Environment

Temp: -180 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,664,141 km

• M1: 116,537 km (0.109 R)
• M2: 651,050 km (0.108 R)
• M3: 1,545,496 km (0.119 R)
• M4: 2,213,749 km (0.118 R)
• M5: 2,607,790 km (0.056 R)
• M6: 3,672,478 km (0.064 R)
• M7: 3,988,279 km (0.099 R)
• M8: 5,153,048 km (0.089 R)
• M9: 5,991,096 km (0.081 R)
• M10: 6,606,990 km (0.112 R)
• M11: 6,996,244 km (0.08 R)
• M12: 7,849,699 km (0.057 R)
• M13: 8,168,642 km (0.11 R)
• M14: 8,556,849 km (0.11 R)
• M15: 9,829,029 km (0.104 R)
• M16: 14,269,692 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.4

Radius: 10.9

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.3 AU - 5.34 AU

Year: 5709 Days

Day: 10.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,664,141 km

• M1: 136,134 km (0.12 R)
• M2: 635,043 km (0.101 R)
• M3: 1,042,847 km (0.103 R)
• M4: 1,789,639 km (0.047 R)
• M5: 2,195,947 km (0.059 R)
• M6: 4,520,249 km (0.114 R)
• M7: 5,193,739 km (0.113 R)
• M8: 6,252,593 km (0.073 R)
• M9: 7,365,601 km (0.064 R)
• M10: 9,473,734 km (0.082 R)
• M11: 9,980,572 km (0.087 R)
• M12: 10,612,473 km (0.056 R)
• M13: 11,648,289 km (0.071 R)
• M14: 13,706,456 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.2

Radius: 10.9

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.12 AU - 4.86 AU

Year: 6049 Days

Day: 6.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,664,141 km

• M1: 137,929 km (0.096 R)
• M2: 572,810 km (0.06 R)
• M3: 1,036,863 km (0.117 R)
• M4: 1,433,596 km (0.092 R)
• M5: 1,917,695 km (0.099 R)
• M6: 2,544,510 km (0.112 R)
• M7: 3,724,837 km (0.08 R)
• M8: 5,180,574 km (0.098 R)
• M9: 5,783,005 km (0.102 R)
• M10: 6,704,229 km (0.077 R)
• M11: 7,912,381 km (0.045 R)
• M12: 8,265,881 km (0.117 R)
• M13: 8,753,570 km (0.08 R)
• M14: 9,303,492 km (0.085 R)
• M15: 10,102,793 km (0.111 R)
• M16: 10,851,231 km (0.09 R)
• M17: 13,933,695 km (0.056 R)
• M18: 14,508,600 km (0.104 R)
• M19: 15,219,190 km (0.046 R)
• M20: 15,767,167 km (0.118 R)
• M21: 18,227,753 km (0.026 R)
• M22: 18,569,584 km (0.112 R)
• M23: 19,620,658 km (0.114 R)
• M24: 20,124,504 km (0.042 R)
• M25: 21,995,076 km (0.118 R)
• M26: 24,306,812 km (0.066 R)
• M27: 25,649,303 km (0.108 R)
• M28: 31,614,668 km (0.043 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 235.3

Radius: 5.1

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.7 AU - 11.24 AU

Year: 23102 Days

Day: 19 Hours

Environment

Temp: -235 °C

Axial Tilt: 157.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,664,141 km

• M1: 63,429 km (0.111 R)
• M2: 281,693 km (0.04 R)
• M3: 539,300 km (0.113 R)
• M4: 758,012 km (0.114 R)
• M5: 1,023,698 km (0.063 R)
• M6: 1,405,771 km (0.096 R)
• M7: 2,326,247 km (0.037 R)
• M8: 2,533,141 km (0.105 R)
• M9: 3,203,339 km (0.114 R)
• M10: 3,785,873 km (0.109 R)
• M11: 4,161,663 km (0.055 R)
• M12: 5,547,089 km (0.068 R)
• M13: 5,993,489 km (0.101 R)
• M14: 6,463,526 km (0.108 R)
• M15: 6,625,540 km (0.051 R)
• M16: 7,974,913 km (0.104 R)
• M17: 11,262,176 km (0.108 R)
• M18: 11,795,343 km (0.072 R)
• M19: 12,345,265 km (0.066 R)
• M20: 13,169,400 km (0.105 R)
• M21: 14,233,340 km (0.098 R)
• M22: 14,577,265 km (0.115 R)
• M23: 15,861,413 km (0.067 R)
• M24: 16,987,586 km (0.082 R)
• M25: 23,522,171 km (0.03 R)
• M26: 23,809,848 km (0.077 R)
• M27: 26,712,495 km (0.102 R)
• M28: 31,321,755 km (0.032 R)
• M29: 32,729,920 km (0.118 R)
• M30: 38,918,933 km (0.077 R)
• M31: 45,102,561 km (0.062 R)
• M32: 49,047,607 km (0.089 R)
• M33: 58,313,250 km (0.101 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 12,884 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit