🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.53 AU - 0.57 AU

Year: 259 Days

Day: 23.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.64 AU - 0.7 AU

Year: 349 Days

Day: 36.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 47.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,416,764 km

• M1: 363,972 km (0.087 R)

Asteroid Belt

Center: 1.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.8

Radius: 11.1

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.71 AU - 2.89 AU

Year: 2979 Days

Day: 11.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 83.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,416,764 km

• M1: 138,228 km (0.056 R)
• M2: 567,574 km (0.111 R)
• M3: 966,552 km (0.117 R)
• M4: 1,321,996 km (0.09 R)
• M5: 1,936,993 km (0.111 R)
• M6: 2,617,065 km (0.118 R)
• M7: 2,981,486 km (0.099 R)
• M8: 3,362,811 km (0.071 R)
• M9: 4,817,500 km (0.037 R)
• M10: 6,382,444 km (0.08 R)
• M11: 6,821,813 km (0.102 R)
• M12: 7,822,772 km (0.105 R)
• M13: 9,054,561 km (0.067 R)
• M14: 9,681,226 km (0.107 R)
• M15: 10,225,463 km (0.091 R)
• M16: 11,335,330 km (0.107 R)
• M17: 11,940,154 km (0.097 R)
• M18: 13,524,096 km (0.12 R)
• M19: 15,243,873 km (0.112 R)
• M20: 16,081,173 km (0.107 R)
• M21: 17,739,914 km (0.063 R)
• M22: 18,500,320 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.6

Radius: 8.5

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.94 AU - 4.84 AU

Year: 4878 Days

Day: 10.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,416,764 km

• M1: 113,545 km (0.101 R)
• M2: 437,125 km (0.064 R)
• M3: 805,136 km (0.103 R)
• M4: 1,242,560 km (0.094 R)
• M5: 1,511,537 km (0.065 R)
• M6: 2,773,096 km (0.074 R)
• M7: 3,638,220 km (0.114 R)
• M8: 4,026,576 km (0.065 R)
• M9: 4,838,444 km (0.118 R)
• M10: 5,107,271 km (0.097 R)
• M11: 5,437,733 km (0.089 R)
• M12: 5,864,087 km (0.106 R)
• M13: 6,574,826 km (0.093 R)
• M14: 7,121,307 km (0.118 R)
• M15: 8,098,930 km (0.117 R)
• M16: 9,349,418 km (0.104 R)
• M17: 9,614,206 km (0.103 R)
• M18: 10,159,042 km (0.12 R)
• M19: 11,872,985 km (0.03 R)
• M20: 12,409,143 km (0.065 R)
• M21: 14,514,135 km (0.107 R)
• M22: 16,679,863 km (0.073 R)
• M23: 18,042,999 km (0.096 R)
• M24: 18,931,910 km (0.092 R)
• M25: 20,477,705 km (0.099 R)
• M26: 22,306,838 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.4

Radius: 13.7

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.34 AU - 5.58 AU

Year: 7024 Days

Day: 8.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,416,764 km

• M1: 170,392 km (0.102 R)
• M2: 752,477 km (0.057 R)
• M3: 1,482,066 km (0.03 R)
• M4: 3,196,458 km (0.098 R)
• M5: 3,977,508 km (0.091 R)
• M6: 4,691,240 km (0.117 R)
• M7: 5,165,315 km (0.106 R)
• M8: 6,611,478 km (0.054 R)
• M9: 7,466,131 km (0.093 R)
• M10: 8,193,924 km (0.069 R)
• M11: 8,636,584 km (0.078 R)
• M12: 9,309,176 km (0.116 R)
• M13: 9,971,147 km (0.086 R)
• M14: 11,389,484 km (0.097 R)
• M15: 12,565,024 km (0.096 R)
• M16: 17,420,074 km (0.099 R)
• M17: 18,154,599 km (0.113 R)
• M18: 18,770,643 km (0.111 R)
• M19: 20,335,736 km (0.107 R)
• M20: 23,482,079 km (0.072 R)
• M21: 27,652,119 km (0.087 R)
• M22: 30,627,322 km (0.084 R)
• M23: 31,993,749 km (0.073 R)
• M24: 34,953,094 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.8

Radius: 3.8

Gravity: 65.29 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.8 AU - 12.88 AU

Year: 21140 Days

Day: 21.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 37,416,764 km

• M1: 47,273 km (0.108 R)
• M2: 331,808 km (0.104 R)
• M3: 463,454 km (0.069 R)
• M4: 739,013 km (0.107 R)
• M5: 1,007,691 km (0.097 R)
• M6: 1,485,656 km (0.112 R)
• M7: 2,977,895 km (0.102 R)
• M8: 3,347,252 km (0.093 R)
• M9: 6,186,022 km (0.107 R)
• M10: 7,272,551 km (0.078 R)
• M11: 8,425,202 km (0.052 R)
• M12: 8,591,256 km (0.091 R)
• M13: 9,044,837 km (0.109 R)
• M14: 9,937,936 km (0.118 R)
• M15: 11,019,529 km (0.084 R)
• M16: 11,151,624 km (0.094 R)
• M17: 11,284,915 km (0.052 R)
• M18: 14,256,677 km (0.084 R)
• M19: 21,272,368 km (0.103 R)
• M20: 25,744,746 km (0.062 R)
• M21: 28,633,032 km (0.114 R)
• M22: 28,883,160 km (0.099 R)
• M23: 40,433,911 km (0.075 R)
• M24: 42,023,687 km (0.05 R)
• M25: 42,834,059 km (0.074 R)
• M26: 48,268,351 km (0.094 R)
• M27: 50,056,345 km (0.043 R)
• M28: 53,008,210 km (0.108 R)
• M29: 56,465,268 km (0.106 R)
• M30: 58,449,384 km (0.078 R)
• M31: 59,255,717 km (0.067 R)
• M32: 72,027,485 km (0.095 R)
• M33: 81,155,050 km (0.098 R)
• M34: 82,410,475 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 67.1

Radius: 7.7

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.5 AU - 12.76 AU

Year: 22036 Days

Day: 22.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,416,764 km

• M1: 96,042 km (0.12 R)
• M2: 372,499 km (0.119 R)
• M3: 664,963 km (0.051 R)
• M4: 932,743 km (0.118 R)
• M5: 1,400,685 km (0.093 R)
• M6: 2,900,553 km (0.116 R)
• M7: 3,565,067 km (0.099 R)
• M8: 5,223,210 km (0.063 R)
• M9: 6,338,911 km (0.083 R)
• M10: 8,319,437 km (0.056 R)
• M11: 10,439,987 km (0.119 R)
• M12: 11,830,648 km (0.103 R)
• M13: 13,006,936 km (0.096 R)
• M14: 13,680,426 km (0.088 R)
• M15: 17,602,882 km (0.107 R)
• M16: 21,901,577 km (0.076 R)
• M17: 31,192,951 km (0.075 R)
• M18: 33,321,729 km (0.092 R)
• M19: 34,580,745 km (0.1 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 16,198 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit