🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.6

Radius: 8.6

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.48 AU - 0.64 AU

Year: 279 Days

Day: 9.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,238,405 km

• M1: 106,962 km (0.061 R)
• M2: 449,990 km (0.092 R)
• M3: 874,100 km (0.092 R)
• M4: 1,334,862 km (0.105 R)
• M5: 1,737,430 km (0.111 R)
• M6: 2,049,491 km (0.097 R)
• M7: 2,488,561 km (0.051 R)
• M8: 3,036,238 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.2

Radius: 9.7

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.45 AU - 0.69 AU

Year: 287 Days

Day: 8.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,238,405 km

• M1: 120,576 km (0.09 R)
• M2: 428,897 km (0.072 R)
• M3: 938,278 km (0.098 R)
• M4: 1,432,400 km (0.057 R)
• M5: 1,764,208 km (0.043 R)
• M6: 2,155,556 km (0.06 R)
• M7: 2,490,805 km (0.078 R)
• M8: 3,175,514 km (0.046 R)
• M9: 3,770,614 km (0.06 R)
• M10: 4,211,479 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.9

Radius: 8.7

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.58 AU - 0.92 AU

Year: 433 Days

Day: 10.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,238,405 km

• M1: 108,159 km (0.068 R)
• M2: 428,897 km (0.096 R)
• M3: 746,493 km (0.116 R)
• M4: 1,188,106 km (0.1 R)
• M5: 1,544,448 km (0.076 R)
• M6: 1,926,821 km (0.095 R)
• M7: 2,591,783 km (0.058 R)
• M8: 3,764,930 km (0.083 R)
• M9: 4,306,324 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.5

Radius: 14.2

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.83 AU - 0.93 AU

Year: 550 Days

Day: 5.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,238,405 km

• M1: 176,675 km (0.048 R)
• M2: 625,020 km (0.104 R)
• M3: 1,067,231 km (0.079 R)
• M4: 1,603,240 km (0.112 R)
• M5: 2,159,146 km (0.102 R)
• M6: 3,723,192 km (0.12 R)
• M7: 4,697,822 km (0.092 R)
• M8: 5,297,709 km (0.086 R)
• M9: 6,023,857 km (0.104 R)
• M10: 6,692,710 km (0.116 R)
• M11: 7,151,526 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434

Radius: 9.9

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.9 AU - 1.22 AU

Year: 728 Days

Day: 15 Hours

Environment

Temp: -184 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,238,405 km

• M1: 123,269 km (0.106 R)
• M2: 433,385 km (0.097 R)
• M3: 818,600 km (0.067 R)
• M4: 1,309,430 km (0.101 R)
• M5: 2,311,586 km (0.086 R)
• M6: 2,712,060 km (0.042 R)
• M7: 3,146,492 km (0.092 R)
• M8: 3,508,968 km (0.034 R)
• M9: 3,941,306 km (0.111 R)
• M10: 5,028,583 km (0.085 R)
• M11: 5,490,840 km (0.079 R)
• M12: 6,189,313 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.4

Radius: 12.2

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.53 AU - 2.47 AU

Year: 1886 Days

Day: 13 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,238,405 km

• M1: 152,590 km (0.094 R)
• M2: 738,415 km (0.049 R)
• M3: 1,369,569 km (0.11 R)
• M4: 2,353,474 km (0.087 R)
• M5: 3,451,073 km (0.071 R)
• M6: 3,841,673 km (0.119 R)
• M7: 4,474,472 km (0.085 R)
• M8: 4,863,726 km (0.116 R)
• M9: 6,702,134 km (0.115 R)
• M10: 8,097,882 km (0.045 R)
• M11: 11,732,961 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.1

Radius: 14.3

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.75 AU - 2.49 AU

Year: 2058 Days

Day: 8.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,238,405 km

• M1: 177,872 km (0.065 R)
• M2: 647,759 km (0.029 R)
• M3: 1,281,455 km (0.051 R)
• M4: 2,026,453 km (0.116 R)
• M5: 2,520,425 km (0.092 R)
• M6: 3,264,974 km (0.11 R)
• M7: 3,937,566 km (0.065 R)
• M8: 4,421,066 km (0.046 R)
• M9: 5,871,866 km (0.113 R)
• M10: 6,809,246 km (0.048 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.1

Radius: 7.9

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.66 AU - 9.54 AU

Year: 15373 Days

Day: 16.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 82,238,405 km

• M1: 98,286 km (0.05 R)
• M2: 368,609 km (0.088 R)
• M3: 897,737 km (0.041 R)
• M4: 1,293,423 km (0.116 R)
• M5: 2,377,858 km (0.081 R)
• M6: 4,204,897 km (0.041 R)
• M7: 6,573,181 km (0.09 R)
• M8: 7,144,196 km (0.04 R)
• M9: 7,747,823 km (0.07 R)
• M10: 9,405,517 km (0.109 R)
• M11: 9,867,326 km (0.09 R)
• M12: 10,398,099 km (0.09 R)
• M13: 11,691,223 km (0.083 R)
• M14: 13,729,195 km (0.06 R)
• M15: 16,650,991 km (0.106 R)
• M16: 17,099,635 km (0.111 R)
• M17: 18,256,775 km (0.07 R)
• M18: 19,219,287 km (0.074 R)
• M19: 21,420,321 km (0.053 R)
• M20: 25,915,438 km (0.057 R)
• M21: 30,777,518 km (0.042 R)
• M22: 31,680,939 km (0.074 R)
• M23: 32,024,267 km (0.062 R)
• M24: 33,304,226 km (0.086 R)
• M25: 38,505,744 km (0.12 R)
• M26: 39,819,512 km (0.084 R)
• M27: 40,487,467 km (0.099 R)
• M28: 41,298,886 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.6

Radius: 7.7

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 8.1 AU - 12.7 AU

Year: 22366 Days

Day: 20.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,238,405 km

• M1: 118,332 km (0.074 R)
• M2: 464,801 km (0.105 R)
• M3: 752,926 km (0.046 R)
• M4: 1,043,894 km (0.087 R)
• M5: 1,918,293 km (0.095 R)
• M6: 2,994,351 km (0.108 R)
• M7: 3,678,312 km (0.1 R)
• M8: 4,462,205 km (0.113 R)
• M9: 6,401,442 km (0.111 R)
• M10: 7,188,776 km (0.084 R)
• M11: 7,581,022 km (0.063 R)
• M12: 8,408,148 km (0.104 R)
• M13: 9,525,046 km (0.1 R)
• M14: 9,819,006 km (0.09 R)
• M15: 10,928,124 km (0.027 R)
• M16: 13,466,202 km (0.115 R)
• M17: 16,372,739 km (0.07 R)
• M18: 19,483,776 km (0.11 R)
• M19: 25,023,086 km (0.106 R)
• M20: 25,923,965 km (0.115 R)
• M21: 32,446,282 km (0.119 R)
• M22: 36,726,726 km (0.1 R)
• M23: 37,305,071 km (0.117 R)
• M24: 39,226,806 km (0.115 R)
• M25: 40,903,648 km (0.119 R)
• M26: 46,388,056 km (0.114 R)
• M27: 48,956,053 km (0.114 R)
• M28: 56,073,620 km (0.103 R)
• M29: 56,648,076 km (0.062 R)
• M30: 58,591,352 km (0.116 R)
• M31: 60,578,611 km (0.069 R)
• M32: 64,477,281 km (0.044 R)
• M33: 65,954,859 km (0.065 R)
• M34: 67,887,514 km (0.082 R)
• M35: 75,996,466 km (0.03 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: 201 - 14,353 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit