🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.3

Radius: 11

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.49 AU - 0.69 AU

Year: 313 Days

Day: 12.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,437,758 km

• M1: 138,976 km (0.073 R)
• M2: 557,701 km (0.118 R)
• M3: 928,404 km (0.087 R)
• M4: 1,296,864 km (0.089 R)
• M5: 2,287,800 km (0.053 R)
• M6: 2,653,268 km (0.099 R)
• M7: 3,374,778 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.3

Radius: 14

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.57 AU - 0.73 AU

Year: 362 Days

Day: 12.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,437,758 km

• M1: 174,132 km (0.094 R)
• M2: 788,082 km (0.073 R)
• M3: 1,301,501 km (0.112 R)
• M4: 1,738,776 km (0.03 R)
• M5: 2,311,586 km (0.091 R)
• M6: 2,863,453 km (0.112 R)
• M7: 3,317,333 km (0.092 R)
• M8: 3,844,815 km (0.111 R)
• M9: 4,512,470 km (0.093 R)
• M10: 4,994,624 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.5

Radius: 9.7

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.93 AU - 0.95 AU

Year: 629 Days

Day: 9.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,437,758 km

• M1: 121,324 km (0.117 R)
• M2: 514,467 km (0.081 R)
• M3: 862,282 km (0.082 R)
• M4: 1,203,814 km (0.051 R)
• M5: 1,539,512 km (0.12 R)
• M6: 1,887,028 km (0.105 R)
• M7: 2,765,167 km (0.059 R)
• M8: 3,783,330 km (0.12 R)
• M9: 4,363,022 km (0.106 R)
• M10: 6,992,803 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.5

Radius: 10.8

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.89 AU - 1.09 AU

Year: 680 Days

Day: 14.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,437,758 km

• M1: 134,488 km (0.066 R)
• M2: 496,067 km (0.091 R)
• M3: 840,890 km (0.063 R)
• M4: 1,199,027 km (0.109 R)
• M5: 1,612,665 km (0.113 R)
• M6: 2,141,344 km (0.082 R)
• M7: 2,631,427 km (0.076 R)
• M8: 3,534,698 km (0.118 R)
• M9: 4,383,666 km (0.108 R)
• M10: 4,769,779 km (0.04 R)
• M11: 5,326,283 km (0.039 R)
• M12: 5,925,422 km (0.116 R)
• M13: 6,272,938 km (0.052 R)
• M14: 6,742,675 km (0.102 R)
• M15: 7,633,381 km (0.103 R)
• M16: 8,370,450 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.9

Radius: 12.8

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.82 AU - 1.24 AU

Year: 722 Days

Day: 10.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,437,758 km

• M1: 159,172 km (0.102 R)
• M2: 622,327 km (0.067 R)
• M3: 1,057,059 km (0.102 R)
• M4: 1,513,781 km (0.101 R)
• M5: 1,925,624 km (0.118 R)
• M6: 3,575,688 km (0.113 R)
• M7: 4,413,287 km (0.037 R)
• M8: 4,845,774 km (0.086 R)
• M9: 5,342,140 km (0.093 R)
• M10: 5,948,011 km (0.113 R)
• M11: 6,417,150 km (0.096 R)
• M12: 7,297,983 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.7

Radius: 10.9

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.97 AU - 1.15 AU

Year: 753 Days

Day: 6.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,437,758 km

• M1: 135,536 km (0.1 R)
• M2: 535,560 km (0.071 R)
• M3: 1,253,481 km (0.087 R)
• M4: 1,679,386 km (0.101 R)
• M5: 2,327,144 km (0.052 R)
• M6: 2,929,276 km (0.078 R)
• M7: 3,377,172 km (0.08 R)
• M8: 3,901,213 km (0.067 R)
• M9: 4,378,580 km (0.103 R)
• M10: 4,912,644 km (0.071 R)
• M11: 5,261,208 km (0.057 R)
• M12: 6,258,427 km (0.034 R)
• M13: 6,824,655 km (0.117 R)
• M14: 8,468,137 km (0.115 R)
• M15: 8,863,524 km (0.099 R)
• M16: 9,243,802 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.3

Radius: 8.8

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.95 AU - 1.49 AU

Year: 930 Days

Day: 5.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,437,758 km

• M1: 109,506 km (0.095 R)
• M2: 488,138 km (0.051 R)
• M3: 781,200 km (0.108 R)
• M4: 1,314,217 km (0.116 R)
• M5: 2,442,933 km (0.116 R)
• M6: 3,178,955 km (0.093 R)
• M7: 3,613,387 km (0.026 R)
• M8: 4,087,163 km (0.03 R)
• M9: 4,619,133 km (0.095 R)
• M10: 5,047,731 km (0.094 R)
• M11: 6,451,259 km (0.108 R)
• M12: 8,883,570 km (0.092 R)
• M13: 9,350,615 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.3

Radius: 8.5

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.08 AU - 2.48 AU

Year: 2376 Days

Day: 8 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,437,758 km

• M1: 105,766 km (0.115 R)
• M2: 585,227 km (0.068 R)
• M3: 960,418 km (0.078 R)
• M4: 1,245,103 km (0.11 R)
• M5: 1,586,934 km (0.118 R)
• M6: 2,224,820 km (0.12 R)
• M7: 3,443,294 km (0.115 R)
• M8: 4,377,832 km (0.097 R)
• M9: 6,043,156 km (0.089 R)
• M10: 6,510,948 km (0.103 R)
• M11: 9,079,095 km (0.117 R)
• M12: 9,473,435 km (0.097 R)
• M13: 10,883,993 km (0.111 R)
• M14: 11,165,835 km (0.116 R)
• M15: 12,040,833 km (0.056 R)
• M16: 12,429,489 km (0.045 R)
• M17: 12,737,660 km (0.097 R)
• M18: 13,141,126 km (0.106 R)
• M19: 13,739,218 km (0.091 R)
• M20: 14,841,455 km (0.116 R)
• M21: 15,238,488 km (0.078 R)
• M22: 17,112,800 km (0.077 R)
• M23: 18,501,666 km (0.097 R)
• M24: 19,487,965 km (0.076 R)
• M25: 20,326,162 km (0.042 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793.5

Radius: 4.7

Gravity: 35.92 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 9 AU - 10.7 AU

Year: 21339 Days

Day: 15.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,437,758 km

• M1: 58,942 km (0.115 R)
• M2: 830,567 km (0.077 R)
• M3: 1,113,158 km (0.049 R)
• M4: 1,645,577 km (0.082 R)
• M5: 1,849,778 km (0.083 R)
• M6: 2,842,210 km (0.12 R)
• M7: 3,981,099 km (0.094 R)
• M8: 14,779,821 km (0.083 R)
• M9: 16,159,113 km (0.061 R)
• M10: 17,710,593 km (0.057 R)
• M11: 18,983,970 km (0.048 R)
• M12: 19,264,615 km (0.066 R)
• M13: 21,407,605 km (0.116 R)
• M14: 23,275,035 km (0.039 R)
• M15: 24,029,607 km (0.057 R)
• M16: 31,701,135 km (0.103 R)
• M17: 35,942,235 km (0.067 R)
• M18: 36,228,266 km (0.078 R)
• M19: 37,533,657 km (0.048 R)
• M20: 46,031,115 km (0.114 R)
• M21: 47,218,623 km (0.108 R)
• M22: 53,092,434 km (0.109 R)
• M23: 71,771,822 km (0.119 R)
• M24: 80,716,429 km (0.083 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 12,571 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit