🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.25 AU - 1.31 AU

Year: 511 Days

Day: 41.4 Hours

Environment

Temp: 1 °C

Axial Tilt: 6.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.21 AU - 1.85 AU

Year: 668 Days

Day: 12.2 Hours

Environment

Temp: -25 °C

Axial Tilt: 14.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.62 AU - 1.8 AU

Year: 790 Days

Day: 42.5 Hours

Environment

Temp: -27 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,443,601 km

• M1: 60,587 km (0.08 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.79 AU - 4.29 AU

Year: 2352 Days

Day: 12.3 Hours

Environment

Temp: -99 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653

Radius: 10.4

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.17 AU - 7.97 AU

Year: 7354 Days

Day: 14.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,443,601 km

• M1: 129,701 km (0.09 R)
• M2: 639,232 km (0.093 R)
• M3: 1,006,794 km (0.073 R)
• M4: 3,414,721 km (0.114 R)
• M5: 5,062,691 km (0.115 R)
• M6: 6,061,257 km (0.079 R)
• M7: 7,487,972 km (0.094 R)
• M8: 10,171,159 km (0.042 R)
• M9: 10,697,893 km (0.07 R)
• M10: 16,549,863 km (0.066 R)
• M11: 17,754,126 km (0.048 R)
• M12: 18,588,882 km (0.097 R)
• M13: 21,327,720 km (0.093 R)
• M14: 22,350,670 km (0.119 R)
• M15: 23,904,244 km (0.066 R)
• M16: 26,323,241 km (0.077 R)
• M17: 37,410,837 km (0.025 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.2

Radius: 14.1

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.1 AU - 11.84 AU

Year: 10290 Days

Day: 11.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,443,601 km

• M1: 175,478 km (0.062 R)
• M2: 626,516 km (0.088 R)
• M3: 1,161,029 km (0.109 R)
• M4: 4,000,097 km (0.098 R)
• M5: 4,456,371 km (0.111 R)
• M6: 5,206,604 km (0.108 R)
• M7: 5,647,320 km (0.054 R)
• M8: 6,374,365 km (0.06 R)
• M9: 6,919,949 km (0.104 R)
• M10: 7,927,939 km (0.117 R)
• M11: 8,375,985 km (0.052 R)
• M12: 9,372,307 km (0.043 R)
• M13: 14,162,730 km (0.114 R)
• M14: 14,891,870 km (0.055 R)
• M15: 16,861,026 km (0.098 R)
• M16: 18,292,528 km (0.1 R)
• M17: 19,077,917 km (0.079 R)
• M18: 23,164,482 km (0.097 R)
• M19: 26,688,111 km (0.119 R)
• M20: 27,801,119 km (0.111 R)
• M21: 29,688,894 km (0.084 R)
• M22: 32,564,464 km (0.061 R)
• M23: 33,253,662 km (0.079 R)
• M24: 40,162,391 km (0.075 R)
• M25: 42,571,664 km (0.079 R)
• M26: 44,090,681 km (0.103 R)
• M27: 46,219,758 km (0.111 R)
• M28: 46,944,560 km (0.11 R)
• M29: 48,864,349 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.7

Radius: 9.4

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 8.37 AU - 12.81 AU

Year: 12169 Days

Day: 13.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 110 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 85,443,601 km

• M1: 116,836 km (0.11 R)
• M2: 596,746 km (0.083 R)
• M3: 1,013,226 km (0.115 R)
• M4: 1,430,904 km (0.038 R)
• M5: 3,289,358 km (0.102 R)
• M6: 3,843,468 km (0.066 R)
• M7: 4,187,244 km (0.114 R)
• M8: 5,959,082 km (0.111 R)
• M9: 6,264,560 km (0.105 R)
• M10: 6,701,536 km (0.097 R)
• M11: 8,089,804 km (0.091 R)
• M12: 9,300,799 km (0.101 R)
• M13: 10,628,630 km (0.059 R)
• M14: 11,719,198 km (0.084 R)
• M15: 12,507,130 km (0.107 R)
• M16: 14,323,996 km (0.041 R)
• M17: 16,533,557 km (0.096 R)
• M18: 17,369,360 km (0.118 R)
• M19: 18,716,190 km (0.075 R)
• M20: 19,961,293 km (0.1 R)
• M21: 21,706,202 km (0.119 R)
• M22: 25,000,647 km (0.083 R)
• M23: 27,653,615 km (0.109 R)
• M24: 29,048,167 km (0.113 R)
• M25: 35,344,591 km (0.068 R)
• M26: 36,095,872 km (0.116 R)
• M27: 38,941,822 km (0.113 R)
• M28: 43,059,204 km (0.074 R)
• M29: 46,555,007 km (0.079 R)
• M30: 49,142,901 km (0.118 R)
• M31: 52,308,242 km (0.078 R)
• M32: 52,632,121 km (0.086 R)
• M33: 54,603,223 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.7

Radius: 4

Gravity: 41.73 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 13.23 AU - 15.29 AU

Year: 19014 Days

Day: 24.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 85,443,601 km

• M1: 49,816 km (0.048 R)
• M2: 241,301 km (0.086 R)
• M3: 467,793 km (0.093 R)
• M4: 804,986 km (0.047 R)
• M5: 1,244,205 km (0.115 R)
• M6: 1,667,119 km (0.117 R)
• M7: 2,349,883 km (0.112 R)
• M8: 2,598,515 km (0.116 R)
• M9: 2,965,628 km (0.103 R)
• M10: 4,785,187 km (0.1 R)
• M11: 5,000,458 km (0.076 R)
• M12: 5,804,846 km (0.112 R)
• M13: 6,344,147 km (0.074 R)
• M14: 8,212,325 km (0.113 R)
• M15: 9,216,126 km (0.083 R)
• M16: 10,006,302 km (0.096 R)
• M17: 10,181,332 km (0.063 R)
• M18: 10,358,306 km (0.089 R)
• M19: 11,400,704 km (0.093 R)
• M20: 12,045,471 km (0.08 R)
• M21: 12,511,020 km (0.078 R)
• M22: 17,005,239 km (0.066 R)
• M23: 19,700,693 km (0.116 R)
• M24: 25,919,177 km (0.088 R)
• M25: 30,556,113 km (0.065 R)
• M26: 31,921,942 km (0.105 R)
• M27: 32,555,937 km (0.076 R)
• M28: 37,370,894 km (0.092 R)
• M29: 40,535,488 km (0.047 R)
• M30: 43,253,681 km (0.116 R)
• M31: 45,769,917 km (0.109 R)
• M32: 46,413,787 km (0.103 R)
• M33: 47,227,150 km (0.101 R)
• M34: 54,618,482 km (0.113 R)
• M35: 63,339,140 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.3

Radius: 7.7

Gravity: 10.82 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 12.78 AU - 21.08 AU

Year: 24597 Days

Day: 19.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 85,443,601 km

• M1: 96,042 km (0.113 R)
• M2: 738,415 km (0.074 R)
• M3: 1,042,248 km (0.114 R)
• M4: 1,366,277 km (0.102 R)
• M5: 2,446,524 km (0.066 R)
• M6: 2,763,372 km (0.089 R)
• M7: 3,080,071 km (0.112 R)
• M8: 4,077,739 km (0.09 R)
• M9: 4,816,004 km (0.119 R)
• M10: 5,599,149 km (0.077 R)
• M11: 5,892,361 km (0.056 R)
• M12: 6,151,913 km (0.09 R)
• M13: 6,881,502 km (0.074 R)
• M14: 8,029,666 km (0.07 R)
• M15: 9,534,620 km (0.114 R)
• M16: 12,096,334 km (0.093 R)
• M17: 12,946,499 km (0.047 R)
• M18: 14,686,322 km (0.117 R)
• M19: 15,571,194 km (0.03 R)
• M20: 16,068,606 km (0.114 R)
• M21: 17,446,702 km (0.12 R)
• M22: 20,045,367 km (0.091 R)
• M23: 20,338,279 km (0.071 R)
• M24: 20,733,218 km (0.07 R)
• M25: 21,948,850 km (0.102 R)
• M26: 24,299,781 km (0.11 R)
• M27: 29,874,844 km (0.026 R)
• M28: 31,161,835 km (0.047 R)
• M29: 35,814,628 km (0.082 R)
• M30: 44,618,313 km (0.086 R)
• M31: 53,627,845 km (0.086 R)
• M32: 54,003,934 km (0.081 R)
• M33: 62,729,978 km (0.117 R)
• M34: 74,432,421 km (0.09 R)
• M35: 77,749,753 km (0.091 R)
• M36: 83,159,960 km (0.078 R)
• M37: 84,423,464 km (0.063 R)

Kuiper Belt

Range: 31.1 - 57.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 14,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit