🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.8

Radius: 9.1

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.71 AU - 0.79 AU

Year: 413 Days

Day: 12.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,413,338 km

• M1: 113,395 km (0.093 R)
• M2: 410,497 km (0.037 R)
• M3: 776,114 km (0.051 R)
• M4: 1,307,186 km (0.067 R)
• M5: 1,708,108 km (0.059 R)
• M6: 2,372,772 km (0.094 R)
• M7: 3,244,927 km (0.114 R)
• M8: 3,723,790 km (0.097 R)
• M9: 4,276,106 km (0.117 R)
• M10: 4,941,218 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.2

Radius: 14.2

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.9 AU - 0.92 AU

Year: 552 Days

Day: 14.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,413,338 km

• M1: 176,525 km (0.08 R)
• M2: 676,781 km (0.089 R)
• M3: 1,306,737 km (0.095 R)
• M4: 1,826,740 km (0.105 R)
• M5: 2,610,483 km (0.041 R)
• M6: 3,597,530 km (0.079 R)
• M7: 4,498,558 km (0.116 R)
• M8: 5,127,168 km (0.054 R)
• M9: 5,578,355 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926

Radius: 10.7

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.83 AU - 1.09 AU

Year: 598 Days

Day: 7.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,413,338 km

• M1: 132,993 km (0.054 R)
• M2: 505,042 km (0.067 R)
• M3: 869,313 km (0.075 R)
• M4: 1,863,690 km (0.076 R)
• M5: 2,262,369 km (0.091 R)
• M6: 2,974,305 km (0.073 R)
• M7: 3,337,528 km (0.114 R)
• M8: 4,123,665 km (0.105 R)
• M9: 4,496,613 km (0.116 R)
• M10: 5,186,109 km (0.081 R)
• M11: 5,565,938 km (0.102 R)
• M12: 6,422,237 km (0.042 R)
• M13: 6,775,736 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.5

Radius: 11.8

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.12 AU - 1.4 AU

Year: 899 Days

Day: 12.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,413,338 km

• M1: 146,756 km (0.072 R)
• M2: 645,365 km (0.055 R)
• M3: 1,035,666 km (0.119 R)
• M4: 1,665,623 km (0.116 R)
• M5: 2,064,451 km (0.082 R)
• M6: 2,504,717 km (0.095 R)
• M7: 3,681,454 km (0.108 R)
• M8: 4,071,007 km (0.076 R)
• M9: 4,592,505 km (0.034 R)
• M10: 6,104,341 km (0.115 R)
• M11: 6,766,611 km (0.112 R)
• M12: 7,950,678 km (0.088 R)
• M13: 8,472,027 km (0.111 R)
• M14: 8,905,262 km (0.116 R)
• M15: 9,381,881 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.9

Radius: 10.4

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.79 AU - 2.97 AU

Year: 2335 Days

Day: 9.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,413,338 km

• M1: 129,552 km (0.117 R)
• M2: 494,271 km (0.097 R)
• M3: 1,663,379 km (0.084 R)
• M4: 2,223,473 km (0.026 R)
• M5: 2,649,378 km (0.115 R)
• M6: 3,262,580 km (0.086 R)
• M7: 3,759,245 km (0.09 R)
• M8: 4,204,448 km (0.087 R)
• M9: 5,062,691 km (0.112 R)
• M10: 5,437,284 km (0.114 R)
• M11: 5,906,124 km (0.081 R)
• M12: 6,509,602 km (0.102 R)
• M13: 7,211,665 km (0.09 R)
• M14: 8,057,042 km (0.058 R)
• M15: 8,667,401 km (0.099 R)
• M16: 9,102,582 km (0.094 R)
• M17: 9,729,247 km (0.034 R)
• M18: 12,275,702 km (0.098 R)
• M19: 13,612,957 km (0.111 R)
• M20: 13,973,339 km (0.087 R)
• M21: 16,070,402 km (0.101 R)
• M22: 16,779,645 km (0.094 R)
• M23: 17,403,917 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.9

Radius: 11.9

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.37 AU - 3.95 AU

Year: 3572 Days

Day: 9.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,413,338 km

• M1: 148,251 km (0.091 R)
• M2: 521,648 km (0.101 R)
• M3: 924,365 km (0.087 R)
• M4: 1,313,918 km (0.115 R)
• M5: 2,887,688 km (0.079 R)
• M6: 3,580,027 km (0.094 R)
• M7: 5,188,054 km (0.036 R)
• M8: 7,341,216 km (0.118 R)
• M9: 7,755,453 km (0.045 R)
• M10: 8,127,204 km (0.061 R)
• M11: 9,219,418 km (0.048 R)
• M12: 10,067,338 km (0.096 R)
• M13: 10,545,004 km (0.099 R)
• M14: 11,472,362 km (0.119 R)
• M15: 12,107,554 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.9

Radius: 11.4

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.55 AU - 3.87 AU

Year: 3657 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,413,338 km

• M1: 141,819 km (0.091 R)
• M2: 719,566 km (0.101 R)
• M3: 1,192,893 km (0.077 R)
• M4: 1,602,044 km (0.109 R)
• M5: 2,146,281 km (0.107 R)
• M6: 3,121,210 km (0.113 R)
• M7: 3,629,394 km (0.089 R)
• M8: 4,437,970 km (0.1 R)
• M9: 5,546,191 km (0.087 R)
• M10: 7,428,581 km (0.103 R)
• M11: 8,303,579 km (0.108 R)
• M12: 9,208,347 km (0.106 R)
• M13: 9,899,489 km (0.117 R)
• M14: 12,686,947 km (0.03 R)
• M15: 13,446,006 km (0.068 R)
• M16: 15,905,994 km (0.094 R)
• M17: 16,453,971 km (0.102 R)
• M18: 17,242,202 km (0.089 R)
• M19: 20,073,491 km (0.093 R)
• M20: 21,235,567 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.2

Radius: 14.8

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.31 AU - 5.99 AU

Year: 7431 Days

Day: 5 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,413,338 km

• M1: 184,753 km (0.045 R)
• M2: 679,623 km (0.076 R)
• M3: 1,358,797 km (0.094 R)
• M4: 2,143,289 km (0.057 R)
• M5: 2,715,650 km (0.109 R)
• M6: 3,732,317 km (0.085 R)
• M7: 4,251,422 km (0.119 R)
• M8: 5,195,235 km (0.115 R)
• M9: 7,422,897 km (0.105 R)
• M10: 7,967,583 km (0.1 R)
• M11: 8,707,045 km (0.06 R)
• M12: 9,313,515 km (0.113 R)
• M13: 11,153,269 km (0.107 R)
• M14: 11,974,412 km (0.045 R)
• M15: 12,670,940 km (0.1 R)
• M16: 14,263,259 km (0.046 R)
• M17: 16,698,563 km (0.083 R)
• M18: 19,327,147 km (0.067 R)
• M19: 20,739,950 km (0.093 R)
• M20: 23,854,428 km (0.113 R)
• M21: 25,304,929 km (0.027 R)
• M22: 25,830,765 km (0.092 R)
• M23: 26,453,391 km (0.079 R)
• M24: 27,821,314 km (0.103 R)
• M25: 28,853,989 km (0.073 R)
• M26: 29,815,005 km (0.116 R)
• M27: 31,699,490 km (0.107 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.7

Radius: 11.3

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.19 AU - 5.65 AU

Year: 8023 Days

Day: 5.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,413,338 km

• M1: 140,472 km (0.099 R)
• M2: 566,976 km (0.117 R)
• M3: 982,858 km (0.091 R)
• M4: 1,789,191 km (0.091 R)
• M5: 2,426,178 km (0.119 R)
• M6: 3,143,350 km (0.091 R)
• M7: 3,770,016 km (0.059 R)
• M8: 4,259,650 km (0.12 R)
• M9: 5,304,441 km (0.091 R)
• M10: 6,299,267 km (0.104 R)
• M11: 7,773,255 km (0.12 R)
• M12: 8,440,312 km (0.06 R)
• M13: 9,054,860 km (0.07 R)
• M14: 10,874,120 km (0.089 R)
• M15: 14,408,519 km (0.049 R)
• M16: 14,969,212 km (0.106 R)
• M17: 16,200,851 km (0.098 R)
• M18: 19,611,533 km (0.095 R)
• M19: 23,989,963 km (0.091 R)
• M20: 24,955,468 km (0.12 R)
• M21: 27,057,916 km (0.073 R)
• M22: 28,588,303 km (0.111 R)
• M23: 34,070,466 km (0.117 R)
• M24: 37,464,842 km (0.083 R)
• M25: 37,816,247 km (0.068 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.1

Radius: 6.5

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.12 AU - 7.26 AU

Year: 11002 Days

Day: 19.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,413,338 km

• M1: 81,082 km (0.092 R)
• M2: 655,388 km (0.092 R)
• M3: 1,132,157 km (0.096 R)
• M4: 2,286,155 km (0.118 R)
• M5: 2,715,351 km (0.106 R)
• M6: 3,369,542 km (0.032 R)
• M7: 4,048,866 km (0.05 R)
• M8: 7,317,430 km (0.109 R)
• M9: 11,106,445 km (0.11 R)
• M10: 14,803,607 km (0.11 R)
• M11: 16,927,597 km (0.103 R)
• M12: 30,451,095 km (0.091 R)
• M13: 33,343,121 km (0.041 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: 492 - 16,669 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit