🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.2

Radius: 12.3

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.76 AU - 0.94 AU

Year: 541 Days

Day: 8.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,110,715 km

• M1: 153,338 km (0.11 R)
• M2: 556,055 km (0.113 R)
• M3: 1,105,528 km (0.119 R)
• M4: 1,513,482 km (0.109 R)
• M5: 1,910,514 km (0.116 R)
• M6: 2,329,538 km (0.08 R)
• M7: 3,462,144 km (0.102 R)
• M8: 3,893,285 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.1

Radius: 14.8

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.8 AU - 1.26 AU

Year: 722 Days

Day: 10.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 78,110,715 km

• M1: 184,005 km (0.064 R)
• M2: 666,159 km (0.118 R)
• M3: 1,532,630 km (0.115 R)
• M4: 3,727,829 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.1

Radius: 10

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.33 AU - 2.03 AU

Year: 1503 Days

Day: 14.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,110,715 km

• M1: 124,316 km (0.099 R)
• M2: 437,574 km (0.112 R)
• M3: 939,475 km (0.056 R)
• M4: 1,919,341 km (0.109 R)
• M5: 2,577,871 km (0.117 R)
• M6: 2,931,819 km (0.112 R)
• M7: 3,333,639 km (0.09 R)
• M8: 3,840,327 km (0.094 R)
• M9: 4,492,723 km (0.029 R)
• M10: 5,153,946 km (0.115 R)
• M11: 5,810,082 km (0.106 R)
• M12: 6,570,338 km (0.099 R)
• M13: 7,104,552 km (0.099 R)
• M14: 7,585,061 km (0.089 R)
• M15: 9,004,146 km (0.08 R)
• M16: 9,988,650 km (0.113 R)
• M17: 10,354,865 km (0.073 R)
• M18: 12,021,386 km (0.09 R)
• M19: 12,588,960 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.1

Radius: 9.6

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.23 AU - 2.45 AU

Year: 2471 Days

Day: 12 Hours

Environment

Temp: -198 °C

Axial Tilt: 140.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,110,715 km

• M1: 119,379 km (0.099 R)
• M2: 521,349 km (0.101 R)
• M3: 873,951 km (0.115 R)
• M4: 1,388,717 km (0.081 R)
• M5: 2,293,784 km (0.069 R)
• M6: 2,788,355 km (0.101 R)
• M7: 3,317,333 km (0.092 R)
• M8: 3,892,537 km (0.107 R)
• M9: 4,276,854 km (0.042 R)
• M10: 4,620,181 km (0.087 R)
• M11: 5,289,781 km (0.058 R)
• M12: 5,711,348 km (0.103 R)
• M13: 7,231,711 km (0.054 R)
• M14: 7,658,214 km (0.057 R)
• M15: 7,973,267 km (0.095 R)
• M16: 8,329,759 km (0.096 R)
• M17: 8,696,723 km (0.025 R)
• M18: 10,465,119 km (0.094 R)
• M19: 12,504,288 km (0.089 R)
• M20: 14,127,574 km (0.115 R)
• M21: 16,661,313 km (0.107 R)
• M22: 17,352,755 km (0.117 R)
• M23: 18,174,047 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.2

Radius: 13.5

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.53 AU - 3.47 AU

Year: 3587 Days

Day: 13.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,110,715 km

• M1: 167,849 km (0.089 R)
• M2: 1,449,753 km (0.082 R)
• M3: 2,014,934 km (0.099 R)
• M4: 3,701,949 km (0.082 R)
• M5: 4,364,368 km (0.062 R)
• M6: 4,874,198 km (0.101 R)
• M7: 7,392,528 km (0.07 R)
• M8: 7,978,054 km (0.12 R)
• M9: 8,409,794 km (0.118 R)
• M10: 8,895,239 km (0.067 R)
• M11: 9,360,040 km (0.095 R)
• M12: 9,881,687 km (0.106 R)
• M13: 10,422,783 km (0.082 R)
• M14: 11,338,621 km (0.109 R)
• M15: 13,481,461 km (0.074 R)
• M16: 17,035,906 km (0.049 R)
• M17: 19,060,414 km (0.106 R)
• M18: 19,900,406 km (0.108 R)
• M19: 20,429,534 km (0.119 R)
• M20: 21,863,280 km (0.084 R)
• M21: 23,878,064 km (0.099 R)
• M22: 25,779,004 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.4

Radius: 4.6

Gravity: 31.92 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.3 AU - 11.16 AU

Year: 20950 Days

Day: 22 Hours

Environment

Temp: -233 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 78,110,715 km

• M1: 57,745 km (0.027 R)
• M2: 224,696 km (0.038 R)
• M3: 535,560 km (0.092 R)
• M4: 719,865 km (0.099 R)
• M5: 1,627,924 km (0.109 R)
• M6: 3,519,739 km (0.108 R)
• M7: 4,010,869 km (0.051 R)
• M8: 4,831,263 km (0.12 R)
• M9: 5,127,916 km (0.06 R)
• M10: 5,358,446 km (0.072 R)
• M11: 5,515,823 km (0.111 R)
• M12: 6,615,816 km (0.113 R)
• M13: 7,506,971 km (0.114 R)
• M14: 8,422,360 km (0.116 R)
• M15: 8,743,397 km (0.074 R)
• M16: 9,466,852 km (0.038 R)
• M17: 10,594,820 km (0.027 R)
• M18: 11,351,786 km (0.095 R)
• M19: 11,546,562 km (0.095 R)
• M20: 12,972,679 km (0.091 R)
• M21: 13,691,347 km (0.106 R)
• M22: 14,436,195 km (0.107 R)
• M23: 16,498,850 km (0.1 R)
• M24: 18,659,492 km (0.075 R)
• M25: 19,021,968 km (0.118 R)
• M26: 20,232,065 km (0.067 R)
• M27: 31,814,830 km (0.09 R)
• M28: 37,240,296 km (0.103 R)
• M29: 53,248,464 km (0.057 R)
• M30: 56,579,710 km (0.088 R)
• M31: 63,042,787 km (0.109 R)
• M32: 64,887,179 km (0.076 R)
• M33: 65,927,183 km (0.039 R)
• M34: 66,346,356 km (0.088 R)
• M35: 67,189,939 km (0.048 R)
• M36: 70,198,651 km (0.073 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 12,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit