🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.42 AU - 0.68 AU

Year: 259 Days

Day: 27.1 Hours

Environment

Temp: -115 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.5 AU - 0.7 AU

Year: 296 Days

Day: 46.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 116.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,005,295 km

• M1: 34,108 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.58 AU - 0.72 AU

Year: 333 Days

Day: 27.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.4

Radius: 11.2

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.64 AU - 0.96 AU

Year: 455 Days

Day: 11.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 55.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,005,295 km

• M1: 139,276 km (0.108 R)
• M2: 494,271 km (0.106 R)
• M3: 930,648 km (0.07 R)
• M4: 1,343,838 km (0.117 R)
• M5: 1,709,156 km (0.088 R)
• M6: 2,097,961 km (0.118 R)
• M7: 2,688,872 km (0.092 R)
• M8: 3,315,388 km (0.052 R)
• M9: 3,794,101 km (0.053 R)
• M10: 4,828,870 km (0.073 R)
• M11: 5,196,432 km (0.11 R)
• M12: 6,263,064 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.5

Radius: 9.3

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.25 AU - 1.63 AU

Year: 1099 Days

Day: 7 Hours

Environment

Temp: -176 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,005,295 km

• M1: 115,938 km (0.111 R)
• M2: 580,739 km (0.084 R)
• M3: 1,446,163 km (0.068 R)
• M4: 1,770,790 km (0.111 R)
• M5: 2,315,027 km (0.099 R)
• M6: 2,646,237 km (0.086 R)
• M7: 2,967,274 km (0.049 R)
• M8: 4,231,077 km (0.118 R)
• M9: 4,615,543 km (0.079 R)
• M10: 6,137,103 km (0.115 R)
• M11: 6,487,012 km (0.117 R)
• M12: 7,967,882 km (0.113 R)
• M13: 10,461,379 km (0.108 R)
• M14: 11,583,513 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.8

Radius: 13.3

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.63 AU - 1.73 AU

Year: 1385 Days

Day: 10 Hours

Environment

Temp: -184 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,005,295 km

• M1: 165,605 km (0.057 R)
• M2: 588,368 km (0.079 R)
• M3: 1,244,953 km (0.106 R)
• M4: 1,769,892 km (0.044 R)
• M5: 2,715,501 km (0.085 R)
• M6: 3,187,931 km (0.06 R)
• M7: 4,845,924 km (0.1 R)
• M8: 5,458,527 km (0.066 R)
• M9: 6,074,721 km (0.112 R)
• M10: 6,711,858 km (0.088 R)
• M11: 7,806,765 km (0.082 R)
• M12: 8,471,279 km (0.054 R)
• M13: 9,847,729 km (0.047 R)
• M14: 10,939,045 km (0.111 R)
• M15: 11,550,751 km (0.114 R)
• M16: 12,109,349 km (0.112 R)
• M17: 12,842,678 km (0.091 R)
• M18: 13,564,637 km (0.113 R)
• M19: 14,229,001 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.8

Radius: 14.9

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.04 AU - 3.02 AU

Year: 2559 Days

Day: 9.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,005,295 km

• M1: 185,352 km (0.089 R)
• M2: 703,110 km (0.095 R)
• M3: 1,251,536 km (0.062 R)
• M4: 1,816,567 km (0.032 R)
• M5: 2,843,706 km (0.112 R)
• M6: 3,710,476 km (0.099 R)
• M7: 4,409,547 km (0.113 R)
• M8: 5,232,335 km (0.112 R)
• M9: 9,062,639 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.2

Radius: 13.4

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.05 AU - 3.61 AU

Year: 3864 Days

Day: 7.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,005,295 km

• M1: 166,802 km (0.113 R)
• M2: 744,698 km (0.096 R)
• M3: 1,568,982 km (0.104 R)
• M4: 3,314,341 km (0.08 R)
• M5: 3,789,314 km (0.104 R)
• M6: 4,269,523 km (0.111 R)
• M7: 5,191,794 km (0.091 R)
• M8: 7,113,379 km (0.106 R)
• M9: 7,787,916 km (0.034 R)
• M10: 8,699,116 km (0.078 R)
• M11: 9,610,167 km (0.095 R)
• M12: 10,922,739 km (0.064 R)
• M13: 11,862,064 km (0.113 R)
• M14: 13,901,681 km (0.073 R)
• M15: 14,354,364 km (0.068 R)
• M16: 14,957,693 km (0.102 R)
• M17: 17,126,263 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.4

Radius: 5.8

Gravity: 20.94 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.03 AU - 7.97 AU

Year: 10537 Days

Day: 18.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,005,295 km

• M1: 79,137 km (0.083 R)
• M2: 273,166 km (0.033 R)
• M3: 503,098 km (0.112 R)
• M4: 1,821,354 km (0.071 R)
• M5: 2,524,763 km (0.104 R)
• M6: 2,752,601 km (0.075 R)
• M7: 3,225,928 km (0.053 R)
• M8: 3,699,555 km (0.074 R)
• M9: 4,049,465 km (0.118 R)
• M10: 4,691,688 km (0.093 R)
• M11: 5,993,639 km (0.064 R)
• M12: 6,944,932 km (0.112 R)
• M13: 7,352,287 km (0.104 R)
• M14: 8,716,918 km (0.12 R)
• M15: 10,035,923 km (0.101 R)
• M16: 11,651,729 km (0.096 R)
• M17: 13,558,205 km (0.054 R)
• M18: 14,323,697 km (0.112 R)
• M19: 14,519,521 km (0.119 R)
• M20: 15,870,988 km (0.047 R)
• M21: 16,865,664 km (0.102 R)
• M22: 21,430,643 km (0.104 R)
• M23: 22,118,644 km (0.046 R)
• M24: 22,910,166 km (0.118 R)
• M25: 28,675,668 km (0.066 R)
• M26: 35,100,896 km (0.025 R)
• M27: 37,397,822 km (0.053 R)
• M28: 37,769,423 km (0.08 R)
• M29: 39,025,896 km (0.105 R)
• M30: 41,357,379 km (0.102 R)
• M31: 42,154,735 km (0.092 R)
• M32: 42,422,665 km (0.1 R)
• M33: 43,779,966 km (0.038 R)
• M34: 46,295,604 km (0.077 R)
• M35: 47,011,131 km (0.069 R)
• M36: 49,350,393 km (0.088 R)
• M37: 49,797,541 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456

Radius: 4.3

Gravity: 24.66 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.64 AU - 10.36 AU

Year: 17167 Days

Day: 21.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,005,295 km

• M1: 53,556 km (0.025 R)
• M2: 200,910 km (0.075 R)
• M3: 511,774 km (0.085 R)
• M4: 763,996 km (0.112 R)
• M5: 1,083,089 km (0.113 R)
• M6: 1,233,434 km (0.113 R)
• M7: 1,576,911 km (0.067 R)
• M8: 1,737,729 km (0.075 R)
• M9: 4,006,680 km (0.119 R)
• M10: 4,185,449 km (0.118 R)
• M11: 4,338,488 km (0.072 R)
• M12: 5,056,707 km (0.063 R)
• M13: 5,444,016 km (0.111 R)
• M14: 7,413,322 km (0.11 R)
• M15: 8,290,116 km (0.063 R)
• M16: 9,080,292 km (0.108 R)
• M17: 10,809,194 km (0.118 R)
• M18: 18,328,133 km (0.112 R)
• M19: 18,904,234 km (0.08 R)
• M20: 22,899,844 km (0.109 R)
• M21: 26,163,620 km (0.052 R)
• M22: 28,068,300 km (0.096 R)
• M23: 29,388,203 km (0.11 R)
• M24: 31,211,501 km (0.066 R)
• M25: 32,150,976 km (0.041 R)
• M26: 32,508,066 km (0.1 R)
• M27: 32,988,275 km (0.108 R)
• M28: 35,333,970 km (0.081 R)
• M29: 35,841,555 km (0.069 R)
• M30: 37,262,586 km (0.05 R)
• M31: 41,328,207 km (0.104 R)
• M32: 42,317,647 km (0.118 R)
• M33: 46,889,657 km (0.106 R)
• M34: 47,348,773 km (0.111 R)
• M35: 54,939,220 km (0.074 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: 254 - 12,484 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit