🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.6 AU - 0.68 AU

Year: 331 Days

Day: 13.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.1

Radius: 10.7

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.72 AU - 1.08 AU

Year: 551 Days

Day: 11.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,598,951 km

• M1: 133,142 km (0.099 R)
• M2: 505,641 km (0.112 R)
• M3: 1,042,548 km (0.108 R)
• M4: 1,403,677 km (0.073 R)
• M5: 2,080,158 km (0.117 R)
• M6: 2,468,514 km (0.113 R)
• M7: 3,208,725 km (0.05 R)
• M8: 3,730,971 km (0.034 R)
• M9: 4,162,860 km (0.097 R)
• M10: 4,627,960 km (0.093 R)
• M11: 6,704,378 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.8

Radius: 11.6

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.01 AU - 3.23 AU

Year: 2738 Days

Day: 13.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,598,951 km

• M1: 151,393 km (0.065 R)
• M2: 561,441 km (0.041 R)
• M3: 1,465,610 km (0.033 R)
• M4: 2,252,495 km (0.052 R)
• M5: 2,848,643 km (0.091 R)
• M6: 5,510,737 km (0.055 R)
• M7: 7,069,846 km (0.073 R)
• M8: 7,593,289 km (0.03 R)
• M9: 8,686,700 km (0.104 R)
• M10: 9,450,397 km (0.115 R)
• M11: 9,882,286 km (0.105 R)
• M12: 12,677,821 km (0.06 R)
• M13: 13,040,446 km (0.062 R)
• M14: 14,256,527 km (0.067 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.6

Radius: 5.3

Gravity: 16.5 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6 AU - 7.1 AU

Year: 10824 Days

Day: 21.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 86,598,951 km

• M1: 65,973 km (0.1 R)
• M2: 355,594 km (0.106 R)
• M3: 957,426 km (0.082 R)
• M4: 1,226,403 km (0.036 R)
• M5: 1,672,355 km (0.085 R)
• M6: 2,458,491 km (0.055 R)
• M7: 2,653,417 km (0.055 R)
• M8: 3,008,712 km (0.084 R)
• M9: 3,347,851 km (0.102 R)
• M10: 3,514,802 km (0.095 R)
• M11: 3,969,579 km (0.117 R)
• M12: 5,438,780 km (0.118 R)
• M13: 6,366,736 km (0.028 R)
• M14: 7,316,084 km (0.064 R)
• M15: 9,634,402 km (0.073 R)
• M16: 11,354,927 km (0.09 R)
• M17: 11,733,111 km (0.082 R)
• M18: 12,743,794 km (0.103 R)
• M19: 12,976,119 km (0.099 R)
• M20: 13,629,413 km (0.076 R)
• M21: 14,179,933 km (0.111 R)
• M22: 15,130,478 km (0.055 R)
• M23: 16,258,147 km (0.062 R)
• M24: 17,871,560 km (0.108 R)
• M25: 23,174,805 km (0.089 R)
• M26: 26,793,577 km (0.07 R)
• M27: 28,736,554 km (0.06 R)
• M28: 29,539,446 km (0.104 R)
• M29: 29,946,502 km (0.055 R)
• M30: 41,251,014 km (0.095 R)
• M31: 42,529,927 km (0.092 R)
• M32: 43,309,780 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209

Radius: 4.4

Gravity: 10.8 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.97 AU - 8.33 AU

Year: 15023 Days

Day: 18.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,598,951 km

• M1: 55,351 km (0.089 R)
• M2: 255,214 km (0.115 R)
• M3: 962,961 km (0.109 R)
• M4: 1,118,094 km (0.077 R)
• M5: 1,546,393 km (0.071 R)
• M6: 4,036,599 km (0.056 R)
• M7: 4,613,748 km (0.081 R)
• M8: 5,629,218 km (0.075 R)
• M9: 6,206,666 km (0.09 R)
• M10: 7,087,798 km (0.053 R)
• M11: 10,325,694 km (0.06 R)
• M12: 10,675,304 km (0.113 R)
• M13: 11,933,721 km (0.102 R)
• M14: 13,881,336 km (0.112 R)
• M15: 14,368,576 km (0.062 R)
• M16: 14,554,227 km (0.033 R)
• M17: 14,930,167 km (0.083 R)
• M18: 15,964,636 km (0.077 R)
• M19: 16,431,980 km (0.076 R)
• M20: 16,771,268 km (0.111 R)
• M21: 18,684,624 km (0.085 R)
• M22: 19,128,781 km (0.076 R)
• M23: 21,135,038 km (0.115 R)
• M24: 27,699,691 km (0.032 R)
• M25: 38,755,124 km (0.114 R)
• M26: 40,330,389 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.4

Radius: 6.6

Gravity: 16.31 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 8.32 AU - 13.86 AU

Year: 23846 Days

Day: 25 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,598,951 km

• M1: 84,373 km (0.092 R)
• M2: 443,109 km (0.049 R)
• M3: 763,847 km (0.078 R)
• M4: 1,107,473 km (0.055 R)
• M5: 1,638,097 km (0.075 R)
• M6: 2,735,098 km (0.088 R)
• M7: 3,334,686 km (0.087 R)
• M8: 4,571,861 km (0.078 R)
• M9: 7,252,804 km (0.092 R)
• M10: 8,613,546 km (0.044 R)
• M11: 9,064,584 km (0.095 R)
• M12: 11,027,009 km (0.077 R)
• M13: 13,554,614 km (0.107 R)
• M14: 16,188,883 km (0.112 R)
• M15: 16,875,388 km (0.065 R)
• M16: 17,314,158 km (0.105 R)
• M17: 28,012,201 km (0.067 R)
• M18: 34,857,351 km (0.088 R)
• M19: 35,425,823 km (0.074 R)
• M20: 38,815,412 km (0.072 R)
• M21: 44,047,298 km (0.058 R)
• M22: 45,720,999 km (0.05 R)
• M23: 53,590,146 km (0.101 R)
• M24: 54,537,699 km (0.038 R)
• M25: 56,077,061 km (0.09 R)
• M26: 58,639,822 km (0.094 R)
• M27: 65,278,676 km (0.119 R)
• M28: 76,626,722 km (0.047 R)
• M29: 81,013,530 km (0.097 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: 304 - 11,133 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit