🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.6

Radius: 15

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.52 AU - 0.54 AU

Year: 266 Days

Day: 13.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,809,165 km

• M1: 187,297 km (0.108 R)
• M2: 793,617 km (0.088 R)
• M3: 1,270,834 km (0.115 R)
• M4: 1,740,422 km (0.119 R)
• M5: 2,892,774 km (0.095 R)
• M6: 3,592,443 km (0.025 R)
• M7: 4,403,413 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.3

Radius: 11.6

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.42 AU - 0.7 AU

Year: 289 Days

Day: 11 Hours

Environment

Temp: -149 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,809,165 km

• M1: 144,512 km (0.048 R)
• M2: 663,167 km (0.085 R)
• M3: 1,120,937 km (0.105 R)
• M4: 1,579,903 km (0.084 R)
• M5: 1,997,580 km (0.117 R)
• M6: 2,400,597 km (0.11 R)
• M7: 2,798,976 km (0.095 R)
• M8: 3,263,328 km (0.118 R)
• M9: 3,671,730 km (0.12 R)
• M10: 4,442,309 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.7

Radius: 12

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.51 AU - 0.75 AU

Year: 345 Days

Day: 6.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,809,165 km

• M1: 149,299 km (0.074 R)
• M2: 522,695 km (0.029 R)
• M3: 929,302 km (0.085 R)
• M4: 1,374,206 km (0.12 R)
• M5: 1,815,221 km (0.071 R)
• M6: 2,249,204 km (0.104 R)
• M7: 2,781,772 km (0.12 R)
• M8: 3,453,766 km (0.067 R)
• M9: 3,841,075 km (0.094 R)
• M10: 4,524,288 km (0.078 R)
• M11: 4,946,154 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.2

Radius: 8

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.54 AU - 0.84 AU

Year: 396 Days

Day: 7.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,809,165 km

• M1: 101,128 km (0.086 R)
• M2: 433,385 km (0.038 R)
• M3: 906,713 km (0.082 R)
• M4: 1,168,210 km (0.104 R)
• M5: 1,480,869 km (0.07 R)
• M6: 1,784,852 km (0.096 R)
• M7: 2,130,423 km (0.096 R)
• M8: 2,676,306 km (0.08 R)
• M9: 3,533,651 km (0.115 R)
• M10: 3,812,951 km (0.086 R)
• M11: 4,285,381 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.3

Radius: 11.2

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.32 AU - 2.64 AU

Year: 2696 Days

Day: 8.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,809,165 km

• M1: 139,874 km (0.053 R)
• M2: 779,405 km (0.117 R)
• M3: 1,143,077 km (0.044 R)
• M4: 1,517,222 km (0.107 R)
• M5: 1,997,281 km (0.097 R)
• M6: 2,402,991 km (0.088 R)
• M7: 3,854,240 km (0.052 R)
• M8: 4,368,707 km (0.07 R)
• M9: 5,797,665 km (0.094 R)
• M10: 6,243,467 km (0.044 R)
• M11: 7,120,559 km (0.06 R)
• M12: 8,794,560 km (0.082 R)
• M13: 9,519,062 km (0.06 R)
• M14: 10,826,996 km (0.105 R)
• M15: 11,582,017 km (0.098 R)
• M16: 12,412,285 km (0.091 R)
• M17: 13,666,513 km (0.119 R)
• M18: 14,280,014 km (0.087 R)
• M19: 14,638,750 km (0.119 R)
• M20: 16,182,600 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.3

Radius: 9.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.65 AU - 5.73 AU

Year: 7011 Days

Day: 9.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,809,165 km

• M1: 125,363 km (0.09 R)
• M2: 1,393,205 km (0.065 R)
• M3: 2,451,610 km (0.098 R)
• M4: 3,150,382 km (0.072 R)
• M5: 3,718,554 km (0.028 R)
• M6: 5,708,056 km (0.084 R)
• M7: 6,107,034 km (0.109 R)
• M8: 10,782,865 km (0.113 R)
• M9: 14,752,444 km (0.104 R)
• M10: 15,556,832 km (0.09 R)
• M11: 17,198,070 km (0.116 R)
• M12: 18,202,471 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.2

Radius: 7.2

Gravity: 18.58 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.26 AU - 7.64 AU

Year: 12647 Days

Day: 21.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,809,165 km

• M1: 89,908 km (0.034 R)
• M2: 376,388 km (0.101 R)
• M3: 739,313 km (0.089 R)
• M4: 1,081,144 km (0.08 R)
• M5: 2,242,322 km (0.091 R)
• M6: 2,895,168 km (0.099 R)
• M7: 3,557,886 km (0.113 R)
• M8: 4,702,609 km (0.086 R)
• M9: 4,937,627 km (0.057 R)
• M10: 5,216,029 km (0.087 R)
• M11: 8,165,949 km (0.076 R)
• M12: 8,605,618 km (0.1 R)
• M13: 9,268,186 km (0.086 R)
• M14: 10,694,901 km (0.048 R)
• M15: 12,644,461 km (0.074 R)
• M16: 17,551,271 km (0.067 R)
• M17: 20,423,401 km (0.093 R)
• M18: 25,812,065 km (0.045 R)
• M19: 32,803,671 km (0.116 R)
• M20: 36,468,221 km (0.111 R)
• M21: 36,994,057 km (0.05 R)
• M22: 37,658,571 km (0.054 R)
• M23: 39,423,676 km (0.058 R)
• M24: 53,349,144 km (0.103 R)
• M25: 57,857,425 km (0.052 R)
• M26: 59,656,938 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416

Radius: 4.4

Gravity: 21.49 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.81 AU - 9.41 AU

Year: 17439 Days

Day: 21.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 58,809,165 km

• M1: 54,753 km (0.097 R)
• M2: 192,981 km (0.081 R)
• M3: 420,669 km (0.076 R)
• M4: 622,477 km (0.088 R)
• M5: 1,198,429 km (0.094 R)
• M6: 1,458,280 km (0.118 R)
• M7: 2,071,631 km (0.086 R)
• M8: 2,552,289 km (0.116 R)
• M9: 2,841,911 km (0.08 R)
• M10: 3,153,074 km (0.112 R)
• M11: 3,843,319 km (0.084 R)
• M12: 4,376,635 km (0.069 R)
• M13: 6,882,848 km (0.101 R)
• M14: 7,354,979 km (0.107 R)
• M15: 8,459,909 km (0.04 R)
• M16: 8,654,237 km (0.113 R)
• M17: 8,901,373 km (0.085 R)
• M18: 9,990,894 km (0.041 R)
• M19: 10,428,318 km (0.04 R)
• M20: 10,821,461 km (0.064 R)
• M21: 12,682,309 km (0.101 R)
• M22: 16,489,874 km (0.111 R)
• M23: 17,100,383 km (0.057 R)
• M24: 18,610,574 km (0.079 R)
• M25: 19,693,662 km (0.094 R)
• M26: 21,802,394 km (0.059 R)
• M27: 23,574,979 km (0.105 R)
• M28: 26,669,560 km (0.092 R)
• M29: 31,048,589 km (0.112 R)
• M30: 32,926,491 km (0.047 R)
• M31: 35,756,584 km (0.113 R)
• M32: 39,012,133 km (0.109 R)
• M33: 42,744,151 km (0.069 R)
• M34: 45,657,121 km (0.103 R)
• M35: 51,228,893 km (0.093 R)
• M36: 52,036,871 km (0.092 R)
• M37: 53,844,313 km (0.068 R)
• M38: 58,809,167 km (0.114 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 13,181 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit