🌌 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: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.43 AU - 0.69 AU

Year: 266 Days

Day: 27.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.64 AU - 0.68 AU

Year: 341 Days

Day: 38.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 57.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.6

Radius: 8.9

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.82 AU - 1.18 AU

Year: 636 Days

Day: 8.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,651,696 km

• M1: 110,702 km (0.092 R)
• M2: 534,064 km (0.117 R)
• M3: 1,122,134 km (0.119 R)
• M4: 1,471,145 km (0.083 R)
• M5: 1,883,886 km (0.068 R)
• M6: 2,274,187 km (0.063 R)
• M7: 3,097,125 km (0.102 R)
• M8: 3,752,513 km (0.089 R)
• M9: 4,238,856 km (0.1 R)
• M10: 4,702,160 km (0.113 R)
• M11: 5,425,017 km (0.041 R)
• M12: 5,804,098 km (0.043 R)
• M13: 6,575,126 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.6

Radius: 12.2

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.13 AU - 1.49 AU

Year: 953 Days

Day: 13.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,651,696 km

• M1: 151,692 km (0.104 R)
• M2: 542,442 km (0.109 R)
• M3: 982,858 km (0.111 R)
• M4: 1,911,861 km (0.045 R)
• M5: 2,309,791 km (0.108 R)
• M6: 2,956,952 km (0.08 R)
• M7: 3,621,316 km (0.099 R)
• M8: 4,081,628 km (0.051 R)
• M9: 4,597,891 km (0.032 R)
• M10: 5,304,292 km (0.086 R)
• M11: 6,519,625 km (0.096 R)
• M12: 7,767,121 km (0.111 R)
• M13: 8,333,798 km (0.089 R)
• M14: 8,901,373 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.2

Radius: 12.8

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.24 AU - 1.98 AU

Year: 1299 Days

Day: 10.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,651,696 km

• M1: 160,967 km (0.032 R)
• M2: 574,007 km (0.049 R)
• M3: 996,621 km (0.115 R)
• M4: 1,849,329 km (0.068 R)
• M5: 2,668,826 km (0.079 R)
• M6: 3,327,655 km (0.11 R)
• M7: 3,747,127 km (0.053 R)
• M8: 4,186,197 km (0.068 R)
• M9: 5,561,151 km (0.06 R)
• M10: 6,426,425 km (0.09 R)
• M11: 7,709,377 km (0.079 R)
• M12: 8,837,644 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.8

Radius: 9.4

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.27 AU - 2.67 AU

Year: 2468 Days

Day: 10 Hours

Environment

Temp: -200 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,651,696 km

• M1: 117,135 km (0.117 R)
• M2: 523,892 km (0.037 R)
• M3: 890,706 km (0.072 R)
• M4: 1,184,516 km (0.116 R)
• M5: 1,519,466 km (0.039 R)
• M6: 1,821,653 km (0.056 R)
• M7: 2,295,430 km (0.099 R)
• M8: 2,915,214 km (0.112 R)
• M9: 3,926,645 km (0.098 R)
• M10: 4,539,547 km (0.058 R)
• M11: 5,764,455 km (0.115 R)
• M12: 6,196,045 km (0.091 R)
• M13: 7,270,606 km (0.045 R)
• M14: 8,329,161 km (0.029 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.1

Radius: 13.2

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.99 AU - 6.91 AU

Year: 9228 Days

Day: 11 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,651,696 km

• M1: 164,258 km (0.087 R)
• M2: 733,179 km (0.064 R)
• M3: 1,318,256 km (0.069 R)
• M4: 1,919,490 km (0.048 R)
• M5: 3,153,523 km (0.069 R)
• M6: 3,805,471 km (0.048 R)
• M7: 4,352,101 km (0.106 R)
• M8: 6,528,002 km (0.106 R)
• M9: 7,956,064 km (0.049 R)
• M10: 9,168,405 km (0.055 R)
• M11: 9,771,583 km (0.107 R)
• M12: 10,302,506 km (0.112 R)
• M13: 11,795,194 km (0.055 R)
• M14: 12,734,818 km (0.088 R)
• M15: 16,185,592 km (0.11 R)
• M16: 18,707,214 km (0.11 R)
• M17: 21,804,787 km (0.096 R)
• M18: 22,463,018 km (0.037 R)
• M19: 23,134,413 km (0.096 R)
• M20: 27,069,436 km (0.074 R)
• M21: 29,894,292 km (0.058 R)
• M22: 32,910,185 km (0.105 R)
• M23: 33,558,542 km (0.078 R)
• M24: 37,865,016 km (0.061 R)
• M25: 40,519,630 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.9

Radius: 14.9

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.89 AU - 7.21 AU

Year: 9462 Days

Day: 13.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 74.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,651,696 km

• M1: 185,352 km (0.034 R)
• M2: 839,244 km (0.093 R)
• M3: 1,328,429 km (0.09 R)
• M4: 2,504,867 km (0.078 R)
• M5: 3,013,649 km (0.09 R)
• M6: 3,592,144 km (0.089 R)
• M7: 4,092,848 km (0.085 R)
• M8: 5,538,562 km (0.064 R)
• M9: 6,549,993 km (0.064 R)
• M10: 8,396,330 km (0.049 R)
• M11: 9,640,984 km (0.103 R)
• M12: 10,237,581 km (0.09 R)
• M13: 11,504,824 km (0.078 R)
• M14: 13,373,152 km (0.105 R)
• M15: 16,063,071 km (0.102 R)
• M16: 17,434,435 km (0.116 R)
• M17: 20,112,686 km (0.106 R)
• M18: 22,254,179 km (0.119 R)
• M19: 23,544,162 km (0.096 R)
• M20: 26,008,487 km (0.109 R)
• M21: 26,986,857 km (0.073 R)
• M22: 27,530,646 km (0.112 R)
• M23: 29,206,291 km (0.039 R)
• M24: 29,876,041 km (0.12 R)
• M25: 36,043,662 km (0.072 R)
• M26: 36,814,390 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.6

Radius: 4.6

Gravity: 22.57 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.33 AU - 9.29 AU

Year: 16626 Days

Day: 16.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,651,696 km

• M1: 57,894 km (0.086 R)
• M2: 301,290 km (0.097 R)
• M3: 459,565 km (0.114 R)
• M4: 657,782 km (0.082 R)
• M5: 830,567 km (0.079 R)
• M6: 1,057,059 km (0.091 R)
• M7: 1,451,399 km (0.091 R)
• M8: 2,504,418 km (0.075 R)
• M9: 3,301,475 km (0.099 R)
• M10: 3,814,297 km (0.076 R)
• M11: 4,472,378 km (0.104 R)
• M12: 5,064,786 km (0.096 R)
• M13: 7,154,668 km (0.093 R)
• M14: 7,916,121 km (0.097 R)
• M15: 8,680,716 km (0.103 R)
• M16: 8,929,497 km (0.107 R)
• M17: 9,651,307 km (0.115 R)
• M18: 10,135,405 km (0.082 R)
• M19: 10,579,113 km (0.107 R)
• M20: 11,386,642 km (0.099 R)
• M21: 12,547,222 km (0.059 R)
• M22: 18,303,898 km (0.113 R)
• M23: 18,795,626 km (0.082 R)
• M24: 20,410,685 km (0.082 R)
• M25: 20,939,214 km (0.12 R)
• M26: 28,120,959 km (0.109 R)
• M27: 30,914,101 km (0.118 R)
• M28: 41,646,102 km (0.081 R)
• M29: 42,638,535 km (0.048 R)
• M30: 42,924,865 km (0.062 R)
• M31: 43,937,493 km (0.075 R)
• M32: 44,670,373 km (0.072 R)
• M33: 45,560,630 km (0.117 R)
• M34: 45,710,228 km (0.08 R)
• M35: 53,944,394 km (0.075 R)
• M36: 57,009,953 km (0.102 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 13,313 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit