🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.9

Radius: 11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.79 AU - 0.81 AU

Year: 477 Days

Day: 5.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,212,860 km

• M1: 139,575 km (0.104 R)
• M2: 510,727 km (0.118 R)
• M3: 1,024,596 km (0.028 R)
• M4: 1,463,666 km (0.082 R)
• M5: 1,905,428 km (0.095 R)
• M6: 2,427,973 km (0.062 R)
• M7: 2,889,932 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.1

Radius: 12.7

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.77 AU - 0.93 AU

Year: 523 Days

Day: 14.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,212,860 km

• M1: 157,975 km (0.098 R)
• M2: 663,467 km (0.099 R)
• M3: 1,166,863 km (0.064 R)
• M4: 1,613,263 km (0.063 R)
• M5: 2,094,819 km (0.06 R)
• M6: 2,855,225 km (0.078 R)
• M7: 3,638,370 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.9

Radius: 15

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.95 AU - 1.43 AU

Year: 866 Days

Day: 14.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 82.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,212,860 km

• M1: 186,549 km (0.039 R)
• M2: 953,986 km (0.078 R)
• M3: 1,486,853 km (0.118 R)
• M4: 2,499,481 km (0.057 R)
• M5: 3,075,283 km (0.065 R)
• M6: 3,579,279 km (0.088 R)
• M7: 4,154,482 km (0.091 R)
• M8: 4,669,249 km (0.095 R)
• M9: 5,590,323 km (0.119 R)
• M10: 6,563,756 km (0.027 R)
• M11: 7,550,803 km (0.063 R)
• M12: 8,901,373 km (0.085 R)
• M13: 9,677,337 km (0.06 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.7

Radius: 4.1

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.51 AU - 6.17 AU

Year: 9411 Days

Day: 24.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,212,860 km

• M1: 62,981 km (0.037 R)
• M2: 262,694 km (0.066 R)
• M3: 588,817 km (0.105 R)
• M4: 723,156 km (0.09 R)
• M5: 1,207,704 km (0.073 R)
• M6: 1,473,090 km (0.064 R)
• M7: 2,821,266 km (0.076 R)
• M8: 5,745,306 km (0.074 R)
• M9: 6,926,830 km (0.087 R)
• M10: 9,051,569 km (0.107 R)
• M11: 9,692,745 km (0.09 R)
• M12: 11,390,681 km (0.103 R)
• M13: 14,103,489 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.9

Radius: 3

Gravity: 52.77 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.62 AU - 10.72 AU

Year: 17024 Days

Day: 23.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,212,860 km

• M1: 38,297 km (0.108 R)
• M2: 131,646 km (0.069 R)
• M3: 249,529 km (0.069 R)
• M4: 478,713 km (0.112 R)
• M5: 672,143 km (0.093 R)
• M6: 772,823 km (0.072 R)
• M7: 1,063,342 km (0.073 R)
• M8: 1,253,780 km (0.108 R)
• M9: 1,636,900 km (0.111 R)
• M10: 1,735,485 km (0.103 R)
• M11: 1,944,623 km (0.085 R)
• M12: 2,189,963 km (0.097 R)
• M13: 2,309,791 km (0.035 R)
• M14: 5,186,409 km (0.094 R)
• M15: 5,693,695 km (0.085 R)
• M16: 7,062,067 km (0.074 R)
• M17: 8,055,696 km (0.084 R)
• M18: 12,015,252 km (0.061 R)
• M19: 13,159,227 km (0.12 R)
• M20: 13,556,260 km (0.096 R)
• M21: 13,825,237 km (0.075 R)
• M22: 16,408,792 km (0.113 R)
• M23: 16,868,506 km (0.081 R)
• M24: 17,336,748 km (0.096 R)
• M25: 18,136,199 km (0.108 R)
• M26: 20,770,617 km (0.058 R)
• M27: 21,398,928 km (0.057 R)
• M28: 26,467,454 km (0.051 R)
• M29: 27,740,980 km (0.117 R)
• M30: 30,295,065 km (0.07 R)
• M31: 35,102,243 km (0.043 R)
• M32: 39,841,803 km (0.084 R)
• M33: 55,205,653 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233.1

Radius: 3.1

Gravity: 24.26 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 8.56 AU - 12.96 AU

Year: 23537 Days

Day: 17.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,212,860 km

• M1: 65,524 km (0.105 R)
• M2: 219,011 km (0.106 R)
• M3: 383,719 km (0.098 R)
• M4: 497,862 km (0.081 R)
• M5: 721,660 km (0.076 R)
• M6: 846,425 km (0.034 R)
• M7: 2,447,421 km (0.028 R)
• M8: 3,011,704 km (0.045 R)
• M9: 4,057,543 km (0.083 R)
• M10: 4,237,509 km (0.103 R)
• M11: 5,686,365 km (0.088 R)
• M12: 6,541,915 km (0.045 R)
• M13: 8,311,059 km (0.104 R)
• M14: 13,272,772 km (0.102 R)
• M15: 15,843,462 km (0.101 R)
• M16: 21,668,354 km (0.099 R)
• M17: 22,309,830 km (0.071 R)
• M18: 30,907,369 km (0.104 R)
• M19: 31,602,849 km (0.096 R)
• M20: 33,265,779 km (0.057 R)
• M21: 37,153,978 km (0.086 R)
• M22: 45,221,192 km (0.102 R)
• M23: 54,380,023 km (0.115 R)
• M24: 55,053,812 km (0.06 R)
• M25: 58,505,633 km (0.039 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 19,382 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit