🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.57 AU - 0.57 AU

Year: 278 Days

Day: 37.4 Hours

Environment

Temp: -131 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.8

Radius: 14.3

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.86 AU - 1.2 AU

Year: 675 Days

Day: 9.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,961,962 km

• M1: 178,021 km (0.087 R)
• M2: 792,420 km (0.061 R)
• M3: 1,974,393 km (0.105 R)
• M4: 2,496,639 km (0.113 R)
• M5: 2,996,595 km (0.066 R)
• M6: 3,654,078 km (0.054 R)
• M7: 4,496,314 km (0.12 R)
• M8: 5,482,014 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.2

Radius: 13.4

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.52 AU - 2.02 AU

Year: 1520 Days

Day: 6.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,961,962 km

• M1: 166,652 km (0.113 R)
• M2: 742,604 km (0.098 R)
• M3: 1,425,817 km (0.079 R)
• M4: 3,203,489 km (0.049 R)
• M5: 3,764,032 km (0.114 R)
• M6: 4,662,517 km (0.119 R)
• M7: 5,123,278 km (0.101 R)
• M8: 6,025,653 km (0.033 R)
• M9: 6,982,181 km (0.108 R)
• M10: 8,505,387 km (0.099 R)
• M11: 9,617,049 km (0.116 R)
• M12: 10,922,889 km (0.087 R)
• M13: 11,497,793 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.7

Radius: 10.9

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.59 AU - 2.11 AU

Year: 1625 Days

Day: 7.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 81.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,961,962 km

• M1: 135,536 km (0.107 R)
• M2: 803,041 km (0.062 R)
• M3: 1,254,229 km (0.119 R)
• M4: 1,916,349 km (0.103 R)
• M5: 2,879,161 km (0.119 R)
• M6: 3,515,849 km (0.09 R)
• M7: 4,382,470 km (0.098 R)
• M8: 5,296,812 km (0.102 R)
• M9: 5,771,336 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.4

Radius: 11.6

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.79 AU - 2.13 AU

Year: 1772 Days

Day: 7.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,961,962 km

• M1: 144,661 km (0.086 R)
• M2: 582,385 km (0.105 R)
• M3: 1,131,259 km (0.107 R)
• M4: 1,666,819 km (0.106 R)
• M5: 2,107,834 km (0.109 R)
• M6: 2,740,334 km (0.106 R)
• M7: 4,150,144 km (0.12 R)
• M8: 4,798,501 km (0.112 R)
• M9: 5,309,976 km (0.108 R)
• M10: 5,995,434 km (0.1 R)
• M11: 8,040,586 km (0.098 R)
• M12: 8,459,610 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.7

Radius: 12.4

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.99 AU - 2.89 AU

Year: 2461 Days

Day: 5.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,961,962 km

• M1: 154,235 km (0.106 R)
• M2: 656,435 km (0.112 R)
• M3: 1,372,261 km (0.075 R)
• M4: 1,792,332 km (0.072 R)
• M5: 2,885,444 km (0.041 R)
• M6: 3,283,823 km (0.051 R)
• M7: 3,795,298 km (0.107 R)
• M8: 4,933,439 km (0.055 R)
• M9: 5,335,408 km (0.098 R)
• M10: 5,784,950 km (0.109 R)
• M11: 6,423,882 km (0.068 R)
• M12: 6,875,668 km (0.09 R)
• M13: 7,348,547 km (0.058 R)
• M14: 11,292,844 km (0.062 R)
• M15: 12,378,177 km (0.113 R)
• M16: 13,124,520 km (0.11 R)
• M17: 14,901,593 km (0.047 R)
• M18: 15,494,749 km (0.093 R)
• M19: 16,258,147 km (0.066 R)
• M20: 16,993,271 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.4

Radius: 10.2

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.27 AU - 6.77 AU

Year: 8374 Days

Day: 13.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,961,962 km

• M1: 126,859 km (0.101 R)
• M2: 572,212 km (0.055 R)
• M3: 1,255,126 km (0.076 R)
• M4: 1,587,233 km (0.064 R)
• M5: 4,143,711 km (0.057 R)
• M6: 5,303,544 km (0.083 R)
• M7: 6,314,377 km (0.105 R)
• M8: 8,366,261 km (0.041 R)
• M9: 8,991,730 km (0.119 R)
• M10: 15,514,646 km (0.036 R)
• M11: 25,600,085 km (0.078 R)
• M12: 26,335,658 km (0.093 R)
• M13: 27,169,367 km (0.065 R)
• M14: 29,597,490 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115

Radius: 5.1

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.46 AU - 6.76 AU

Year: 9752 Days

Day: 16.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,961,962 km

• M1: 63,429 km (0.075 R)
• M2: 303,684 km (0.069 R)
• M3: 1,038,658 km (0.111 R)
• M4: 2,621,403 km (0.064 R)
• M5: 3,463,939 km (0.072 R)
• M6: 4,125,311 km (0.087 R)
• M7: 8,327,964 km (0.083 R)
• M8: 11,006,663 km (0.096 R)
• M9: 13,595,006 km (0.115 R)
• M10: 14,365,584 km (0.069 R)
• M11: 23,301,065 km (0.083 R)

Asteroid Belt

Center: 7.21 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.4

Radius: 4.4

Gravity: 48.16 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.29 AU - 10.31 AU

Year: 15439 Days

Day: 20.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,961,962 km

• M1: 61,634 km (0.11 R)
• M2: 245,191 km (0.082 R)
• M3: 475,123 km (0.072 R)
• M4: 1,696,141 km (0.099 R)
• M5: 2,696,651 km (0.103 R)
• M6: 2,991,808 km (0.083 R)
• M7: 3,559,681 km (0.119 R)
• M8: 3,793,952 km (0.096 R)
• M9: 5,159,481 km (0.057 R)
• M10: 5,308,032 km (0.12 R)
• M11: 5,811,129 km (0.09 R)
• M12: 6,559,268 km (0.027 R)
• M13: 6,866,841 km (0.112 R)
• M14: 7,896,524 km (0.108 R)
• M15: 8,759,554 km (0.1 R)
• M16: 11,344,605 km (0.092 R)
• M17: 11,723,686 km (0.085 R)
• M18: 12,440,559 km (0.067 R)
• M19: 15,370,732 km (0.058 R)
• M20: 16,070,252 km (0.097 R)
• M21: 16,953,927 km (0.081 R)
• M22: 17,118,036 km (0.053 R)
• M23: 17,700,570 km (0.114 R)
• M24: 18,382,437 km (0.028 R)
• M25: 20,533,056 km (0.04 R)
• M26: 26,852,967 km (0.071 R)
• M27: 29,138,972 km (0.08 R)
• M28: 31,675,404 km (0.079 R)
• M29: 33,188,886 km (0.088 R)
• M30: 34,617,994 km (0.118 R)
• M31: 36,495,597 km (0.077 R)
• M32: 41,187,585 km (0.073 R)
• M33: 42,533,667 km (0.114 R)
• M34: 44,063,305 km (0.112 R)
• M35: 47,070,072 km (0.109 R)
• M36: 52,786,805 km (0.114 R)
• M37: 58,014,353 km (0.113 R)
• M38: 58,573,999 km (0.094 R)
• M39: 62,985,192 km (0.096 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: 256 - 19,528 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit