🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.7

Radius: 11.8

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.78 AU - 1 AU

Year: 551 Days

Day: 9 Hours

Environment

Temp: -145 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,761,322 km

• M1: 146,756 km (0.03 R)
• M2: 518,506 km (0.088 R)
• M3: 1,062,594 km (0.072 R)
• M4: 1,476,681 km (0.1 R)
• M5: 2,069,687 km (0.053 R)
• M6: 2,489,458 km (0.084 R)
• M7: 2,936,008 km (0.104 R)
• M8: 3,302,971 km (0.081 R)
• M9: 3,772,260 km (0.072 R)
• M10: 4,391,445 km (0.119 R)
• M11: 4,917,432 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.8

Radius: 11.5

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.83 AU - 1.37 AU

Year: 757 Days

Day: 11.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,761,322 km

• M1: 143,016 km (0.097 R)
• M2: 612,304 km (0.079 R)
• M3: 1,027,887 km (0.064 R)
• M4: 1,651,710 km (0.079 R)
• M5: 2,129,526 km (0.107 R)
• M6: 2,709,965 km (0.094 R)
• M7: 3,618,922 km (0.078 R)
• M8: 4,310,363 km (0.038 R)
• M9: 4,802,391 km (0.119 R)
• M10: 5,366,973 km (0.116 R)
• M11: 5,880,543 km (0.071 R)
• M12: 6,858,165 km (0.049 R)
• M13: 7,597,926 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.2

Radius: 8.1

Gravity: 13.48 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.01 AU - 1.19 AU

Year: 757 Days

Day: 13.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,761,322 km

• M1: 100,679 km (0.114 R)
• M2: 557,402 km (0.06 R)
• M3: 840,291 km (0.112 R)
• M4: 1,154,596 km (0.044 R)
• M5: 1,437,336 km (0.111 R)
• M6: 1,793,529 km (0.103 R)
• M7: 2,768,458 km (0.118 R)
• M8: 3,135,272 km (0.108 R)
• M9: 3,951,179 km (0.117 R)
• M10: 6,037,770 km (0.119 R)
• M11: 6,678,797 km (0.117 R)
• M12: 7,896,075 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.9

Radius: 14.5

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.74 AU - 2.12 AU

Year: 1759 Days

Day: 12.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,761,322 km

• M1: 180,265 km (0.04 R)
• M2: 666,159 km (0.099 R)
• M3: 1,245,402 km (0.092 R)
• M4: 2,248,157 km (0.083 R)
• M5: 2,766,364 km (0.117 R)
• M6: 4,199,960 km (0.101 R)
• M7: 6,010,394 km (0.096 R)
• M8: 6,778,728 km (0.114 R)
• M9: 7,354,979 km (0.06 R)
• M10: 9,617,647 km (0.092 R)
• M11: 11,187,527 km (0.051 R)
• M12: 12,594,495 km (0.118 R)
• M13: 14,381,591 km (0.086 R)
• M14: 15,852,737 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.2

Radius: 13

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.93 AU - 2.99 AU

Year: 2531 Days

Day: 5.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,761,322 km

• M1: 163,211 km (0.071 R)
• M2: 567,425 km (0.111 R)
• M3: 1,342,192 km (0.03 R)
• M4: 2,723,579 km (0.057 R)
• M5: 3,130,485 km (0.103 R)
• M6: 4,625,865 km (0.094 R)
• M7: 5,698,482 km (0.105 R)
• M8: 6,217,288 km (0.045 R)
• M9: 6,740,431 km (0.083 R)
• M10: 7,697,708 km (0.092 R)
• M11: 10,199,284 km (0.073 R)
• M12: 10,706,570 km (0.111 R)
• M13: 11,498,990 km (0.037 R)
• M14: 15,298,327 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.7

Radius: 14.7

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.08 AU - 3.38 AU

Year: 2959 Days

Day: 12.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,761,322 km

• M1: 182,809 km (0.078 R)
• M2: 850,763 km (0.094 R)
• M3: 1,371,064 km (0.113 R)
• M4: 2,184,428 km (0.114 R)
• M5: 3,020,680 km (0.088 R)
• M6: 5,213,187 km (0.112 R)
• M7: 5,725,709 km (0.045 R)
• M8: 6,271,741 km (0.117 R)
• M9: 7,499,491 km (0.055 R)
• M10: 9,402,675 km (0.043 R)
• M11: 11,008,758 km (0.059 R)
• M12: 13,501,357 km (0.051 R)
• M13: 14,097,655 km (0.092 R)
• M14: 16,556,744 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.7

Radius: 6

Gravity: 14.08 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.81 AU - 7.97 AU

Year: 10596 Days

Day: 16.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,761,322 km

• M1: 74,649 km (0.102 R)
• M2: 388,057 km (0.099 R)
• M3: 643,570 km (0.089 R)
• M4: 930,798 km (0.095 R)
• M5: 1,970,354 km (0.108 R)
• M6: 3,455,112 km (0.073 R)
• M7: 4,597,292 km (0.102 R)
• M8: 5,143,175 km (0.045 R)
• M9: 5,366,674 km (0.066 R)
• M10: 5,765,203 km (0.082 R)
• M11: 8,230,875 km (0.046 R)
• M12: 8,537,251 km (0.046 R)
• M13: 8,851,257 km (0.061 R)
• M14: 9,597,751 km (0.096 R)
• M15: 11,701,396 km (0.075 R)
• M16: 13,786,192 km (0.072 R)
• M17: 15,045,207 km (0.102 R)
• M18: 15,503,575 km (0.105 R)
• M19: 15,836,431 km (0.046 R)
• M20: 17,287,380 km (0.088 R)
• M21: 19,051,438 km (0.036 R)
• M22: 20,690,582 km (0.06 R)
• M23: 22,084,535 km (0.088 R)
• M24: 22,421,430 km (0.113 R)
• M25: 25,609,360 km (0.101 R)
• M26: 25,887,912 km (0.028 R)
• M27: 26,451,148 km (0.046 R)
• M28: 26,640,688 km (0.063 R)
• M29: 27,214,695 km (0.079 R)
• M30: 28,586,208 km (0.073 R)
• M31: 29,900,276 km (0.116 R)
• M32: 30,209,196 km (0.067 R)
• M33: 30,520,210 km (0.064 R)
• M34: 34,646,867 km (0.115 R)
• M35: 35,216,087 km (0.099 R)
• M36: 35,445,570 km (0.083 R)
• M37: 43,588,631 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.8

Radius: 6

Gravity: 25.33 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.64 AU - 10.96 AU

Year: 18605 Days

Day: 17 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,761,322 km

• M1: 98,585 km (0.031 R)
• M2: 317,596 km (0.103 R)
• M3: 1,082,640 km (0.119 R)
• M4: 1,574,368 km (0.077 R)
• M5: 1,805,198 km (0.093 R)
• M6: 2,141,194 km (0.114 R)
• M7: 4,110,949 km (0.112 R)
• M8: 4,378,580 km (0.082 R)
• M9: 4,911,448 km (0.09 R)
• M10: 8,668,897 km (0.09 R)
• M11: 11,279,231 km (0.104 R)
• M12: 16,523,982 km (0.049 R)
• M13: 16,944,951 km (0.106 R)
• M14: 25,463,802 km (0.027 R)
• M15: 37,890,149 km (0.109 R)
• M16: 39,214,239 km (0.088 R)
• M17: 41,027,366 km (0.118 R)
• M18: 42,737,868 km (0.08 R)
• M19: 44,495,343 km (0.097 R)
• M20: 60,124,132 km (0.101 R)
• M21: 62,938,517 km (0.049 R)
• M22: 79,284,179 km (0.107 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 11,514 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit