🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.6

Radius: 8.7

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.49 AU - 0.53 AU

Year: 243 Days

Day: 8.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,586,078 km

• M1: 108,159 km (0.047 R)
• M2: 590,463 km (0.072 R)
• M3: 968,048 km (0.081 R)
• M4: 1,263,653 km (0.114 R)
• M5: 1,878,351 km (0.046 R)
• M6: 2,530,747 km (0.051 R)
• M7: 3,024,869 km (0.096 R)
• M8: 3,452,569 km (0.098 R)
• M9: 3,931,731 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.1

Radius: 8.2

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.54 AU - 0.84 AU

Year: 382 Days

Day: 7 Hours

Environment

Temp: -158 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,586,078 km

• M1: 102,026 km (0.114 R)
• M2: 410,497 km (0.103 R)
• M3: 861,833 km (0.091 R)
• M4: 1,192,594 km (0.115 R)
• M5: 1,638,994 km (0.083 R)
• M6: 1,933,552 km (0.08 R)
• M7: 2,193,105 km (0.098 R)
• M8: 2,459,239 km (0.097 R)
• M9: 3,008,862 km (0.091 R)
• M10: 3,359,819 km (0.113 R)
• M11: 3,693,272 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.3

Radius: 12.9

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.58 AU - 0.82 AU

Year: 391 Days

Day: 13 Hours

Environment

Temp: -148 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,586,078 km

• M1: 160,818 km (0.077 R)
• M2: 690,245 km (0.061 R)
• M3: 1,097,001 km (0.051 R)
• M4: 1,517,371 km (0.077 R)
• M5: 2,007,603 km (0.086 R)
• M6: 2,537,180 km (0.073 R)
• M7: 3,007,815 km (0.117 R)
• M8: 3,730,971 km (0.048 R)
• M9: 4,221,353 km (0.073 R)
• M10: 4,769,330 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87

Radius: 12.2

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.21 AU - 1.21 AU

Year: 888 Days

Day: 8.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,586,078 km

• M1: 172,935 km (0.102 R)
• M2: 591,959 km (0.026 R)
• M3: 1,011,431 km (0.081 R)
• M4: 1,397,394 km (0.078 R)
• M5: 2,197,742 km (0.068 R)
• M6: 2,749,010 km (0.066 R)
• M7: 3,166,837 km (0.081 R)
• M8: 3,802,179 km (0.069 R)
• M9: 4,454,576 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.8

Radius: 14.2

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.22 AU - 2.54 AU

Year: 2448 Days

Day: 10.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,586,078 km

• M1: 176,974 km (0.117 R)
• M2: 1,126,322 km (0.118 R)
• M3: 4,234,667 km (0.114 R)
• M4: 7,925,994 km (0.038 R)
• M5: 9,379,487 km (0.084 R)
• M6: 10,008,397 km (0.096 R)
• M7: 12,475,415 km (0.113 R)
• M8: 13,805,789 km (0.072 R)
• M9: 15,853,934 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.2

Radius: 8.4

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.14 AU - 3.08 AU

Year: 2812 Days

Day: 10.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 41,586,078 km

• M1: 104,569 km (0.102 R)
• M2: 391,498 km (0.108 R)
• M3: 821,592 km (0.086 R)
• M4: 1,110,016 km (0.087 R)
• M5: 1,746,555 km (0.117 R)
• M6: 2,100,803 km (0.104 R)
• M7: 2,547,203 km (0.104 R)
• M8: 3,334,088 km (0.077 R)
• M9: 3,629,843 km (0.106 R)
• M10: 4,691,539 km (0.116 R)
• M11: 4,992,679 km (0.088 R)
• M12: 5,356,053 km (0.111 R)
• M13: 6,842,307 km (0.093 R)
• M14: 7,260,733 km (0.116 R)
• M15: 9,107,967 km (0.085 R)
• M16: 9,468,049 km (0.111 R)
• M17: 11,085,352 km (0.057 R)
• M18: 11,959,602 km (0.118 R)
• M19: 12,479,454 km (0.111 R)
• M20: 12,744,841 km (0.075 R)
• M21: 13,333,060 km (0.053 R)
• M22: 13,657,238 km (0.079 R)
• M23: 14,369,474 km (0.116 R)
• M24: 14,907,428 km (0.057 R)
• M25: 16,655,329 km (0.098 R)
• M26: 17,194,480 km (0.093 R)
• M27: 17,800,800 km (0.089 R)
• M28: 18,535,625 km (0.026 R)
• M29: 19,290,645 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.5

Radius: 10.2

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.56 AU - 5.48 AU

Year: 6408 Days

Day: 5.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,586,078 km

• M1: 126,859 km (0.045 R)
• M2: 500,854 km (0.109 R)
• M3: 1,305,989 km (0.058 R)
• M4: 1,661,284 km (0.067 R)
• M5: 2,158,248 km (0.053 R)
• M6: 3,950,431 km (0.108 R)
• M7: 6,177,046 km (0.089 R)
• M8: 7,706,385 km (0.096 R)
• M9: 9,430,949 km (0.03 R)
• M10: 10,224,266 km (0.116 R)
• M11: 11,253,649 km (0.116 R)
• M12: 12,453,724 km (0.079 R)
• M13: 12,819,341 km (0.04 R)
• M14: 13,517,364 km (0.114 R)
• M15: 15,165,634 km (0.108 R)
• M16: 15,885,499 km (0.09 R)
• M17: 16,440,208 km (0.062 R)
• M18: 17,007,782 km (0.11 R)
• M19: 18,048,983 km (0.102 R)
• M20: 19,063,107 km (0.068 R)
• M21: 22,641,638 km (0.118 R)
• M22: 28,047,806 km (0.097 R)
• M23: 29,040,537 km (0.079 R)
• M24: 30,905,424 km (0.106 R)

Asteroid Belt

Center: 7.71 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146

Radius: 5.9

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 9.95 AU - 11.85 AU

Year: 23998 Days

Day: 18.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,586,078 km

• M1: 73,303 km (0.074 R)
• M2: 2,034,830 km (0.09 R)
• M3: 2,251,897 km (0.112 R)
• M4: 4,147,900 km (0.079 R)
• M5: 5,094,256 km (0.055 R)
• M6: 5,956,239 km (0.038 R)
• M7: 7,320,871 km (0.09 R)
• M8: 9,073,410 km (0.084 R)
• M9: 13,570,920 km (0.096 R)
• M10: 16,045,718 km (0.118 R)
• M11: 20,091,892 km (0.077 R)
• M12: 26,708,007 km (0.102 R)
• M13: 37,308,961 km (0.081 R)
• M14: 39,849,731 km (0.04 R)
• M15: 42,368,211 km (0.082 R)
• M16: 45,414,622 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.2

Radius: 7.9

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 9.4 AU - 12.54 AU

Year: 24229 Days

Day: 18.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,586,078 km

• M1: 105,915 km (0.116 R)
• M2: 616,343 km (0.116 R)
• M3: 1,028,635 km (0.104 R)
• M4: 2,915,962 km (0.113 R)
• M5: 4,460,859 km (0.118 R)
• M6: 8,026,674 km (0.065 R)
• M7: 10,821,760 km (0.071 R)
• M8: 15,777,938 km (0.068 R)
• M9: 26,120,387 km (0.032 R)
• M10: 32,827,607 km (0.101 R)
• M11: 33,469,232 km (0.095 R)
• M12: 34,010,478 km (0.087 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 12,083 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit