🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.63 AU - 0.69 AU

Year: 346 Days

Day: 45.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.09 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285

Radius: 9.1

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.41 AU - 1.61 AU

Year: 1198 Days

Day: 15 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 93,103,728 km

• M1: 114,891 km (0.051 R)
• M2: 487,539 km (0.115 R)
• M3: 781,350 km (0.117 R)
• M4: 1,173,296 km (0.115 R)
• M5: 1,525,749 km (0.025 R)
• M6: 1,849,179 km (0.077 R)
• M7: 2,694,706 km (0.038 R)
• M8: 3,237,448 km (0.053 R)
• M9: 3,549,209 km (0.104 R)
• M10: 4,186,347 km (0.116 R)
• M11: 4,915,337 km (0.056 R)
• M12: 5,403,026 km (0.087 R)
• M13: 5,687,711 km (0.078 R)
• M14: 6,370,326 km (0.048 R)
• M15: 6,950,467 km (0.075 R)
• M16: 7,588,950 km (0.065 R)
• M17: 7,995,408 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.8

Radius: 11.7

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.87 AU - 4.45 AU

Year: 4521 Days

Day: 11.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 87.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 93,103,728 km

• M1: 145,559 km (0.067 R)
• M2: 661,223 km (0.041 R)
• M3: 1,295,218 km (0.083 R)
• M4: 8,711,383 km (0.113 R)
• M5: 9,731,341 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.8

Radius: 14.8

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.44 AU - 4.1 AU

Year: 4726 Days

Day: 10.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 93,103,728 km

• M1: 184,155 km (0.112 R)
• M2: 857,196 km (0.106 R)
• M3: 1,402,181 km (0.069 R)
• M4: 1,880,894 km (0.05 R)
• M5: 2,411,218 km (0.093 R)
• M6: 3,202,741 km (0.075 R)
• M7: 4,184,252 km (0.097 R)
• M8: 4,977,570 km (0.085 R)
• M9: 5,924,973 km (0.081 R)
• M10: 7,210,767 km (0.112 R)
• M11: 8,108,953 km (0.108 R)
• M12: 9,080,591 km (0.098 R)
• M13: 9,809,880 km (0.064 R)
• M14: 10,744,717 km (0.091 R)
• M15: 11,561,073 km (0.099 R)
• M16: 13,808,631 km (0.115 R)
• M17: 15,088,441 km (0.104 R)
• M18: 16,167,939 km (0.102 R)
• M19: 18,120,790 km (0.096 R)
• M20: 23,470,859 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 11

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.21 AU - 4.53 AU

Year: 4916 Days

Day: 7.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 93,103,728 km

• M1: 136,732 km (0.067 R)
• M2: 490,083 km (0.097 R)
• M3: 962,961 km (0.065 R)
• M4: 1,724,115 km (0.104 R)
• M5: 2,120,400 km (0.116 R)
• M6: 2,868,240 km (0.078 R)
• M7: 3,494,905 km (0.078 R)
• M8: 3,875,931 km (0.079 R)
• M9: 4,359,880 km (0.076 R)
• M10: 5,538,263 km (0.062 R)
• M11: 6,511,397 km (0.101 R)
• M12: 7,485,279 km (0.108 R)
• M13: 9,207,899 km (0.103 R)
• M14: 10,802,761 km (0.116 R)
• M15: 11,616,723 km (0.098 R)
• M16: 13,583,786 km (0.12 R)
• M17: 15,703,288 km (0.065 R)
• M18: 19,317,423 km (0.096 R)
• M19: 21,614,050 km (0.093 R)
• M20: 23,926,983 km (0.111 R)
• M21: 25,143,363 km (0.099 R)
• M22: 33,221,349 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.3

Radius: 10.1

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.2 AU - 4.56 AU

Year: 4935 Days

Day: 11.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 93,103,728 km

• M1: 125,662 km (0.055 R)
• M2: 637,736 km (0.103 R)
• M3: 1,115,402 km (0.054 R)
• M4: 1,650,364 km (0.08 R)
• M5: 2,062,057 km (0.104 R)
• M6: 2,712,509 km (0.089 R)
• M7: 3,589,900 km (0.116 R)
• M8: 4,375,439 km (0.1 R)
• M9: 5,122,381 km (0.073 R)
• M10: 6,485,816 km (0.03 R)
• M11: 7,488,421 km (0.045 R)
• M12: 8,981,707 km (0.118 R)
• M13: 9,913,851 km (0.054 R)
• M14: 12,547,970 km (0.067 R)
• M15: 15,099,212 km (0.105 R)
• M16: 16,415,075 km (0.093 R)
• M17: 18,093,114 km (0.097 R)
• M18: 18,854,717 km (0.064 R)
• M19: 19,576,527 km (0.094 R)
• M20: 21,332,357 km (0.105 R)
• M21: 22,248,495 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.3

Radius: 6.4

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.53 AU - 7.99 AU

Year: 11348 Days

Day: 15.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 93,103,728 km

• M1: 79,586 km (0.076 R)
• M2: 328,966 km (0.085 R)
• M3: 628,161 km (0.069 R)
• M4: 2,157,500 km (0.096 R)
• M5: 2,683,786 km (0.105 R)
• M6: 3,837,185 km (0.067 R)
• M7: 5,605,283 km (0.082 R)
• M8: 5,867,228 km (0.079 R)
• M9: 7,149,282 km (0.053 R)
• M10: 7,815,292 km (0.116 R)
• M11: 8,351,900 km (0.114 R)
• M12: 8,824,928 km (0.069 R)
• M13: 9,135,044 km (0.079 R)
• M14: 10,846,743 km (0.067 R)
• M15: 12,045,920 km (0.112 R)
• M16: 13,158,330 km (0.087 R)
• M17: 14,581,753 km (0.09 R)
• M18: 14,953,055 km (0.065 R)
• M19: 18,656,201 km (0.112 R)
• M20: 21,069,813 km (0.104 R)
• M21: 24,369,643 km (0.117 R)
• M22: 27,432,659 km (0.098 R)
• M23: 28,861,917 km (0.035 R)
• M24: 37,678,019 km (0.096 R)
• M25: 37,910,195 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.3

Radius: 7

Gravity: 17.68 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 9.82 AU - 12.5 AU

Year: 24072 Days

Day: 19.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 93,103,728 km

• M1: 116,238 km (0.106 R)
• M2: 468,092 km (0.072 R)
• M3: 842,386 km (0.072 R)
• M4: 1,064,090 km (0.065 R)
• M5: 2,085,544 km (0.055 R)
• M6: 2,674,660 km (0.07 R)
• M7: 3,022,176 km (0.03 R)
• M8: 4,007,129 km (0.095 R)
• M9: 4,953,036 km (0.057 R)
• M10: 5,995,583 km (0.04 R)
• M11: 7,743,485 km (0.1 R)
• M12: 9,682,872 km (0.119 R)
• M13: 14,815,425 km (0.102 R)
• M14: 18,048,684 km (0.087 R)
• M15: 19,093,775 km (0.061 R)
• M16: 26,707,558 km (0.075 R)
• M17: 27,813,236 km (0.056 R)
• M18: 34,373,103 km (0.057 R)
• M19: 38,548,828 km (0.1 R)
• M20: 57,615,077 km (0.107 R)
• M21: 58,224,987 km (0.087 R)
• M22: 65,000,125 km (0.067 R)
• M23: 65,219,884 km (0.096 R)
• M24: 65,660,899 km (0.049 R)
• M25: 66,996,060 km (0.1 R)
• M26: 70,644,902 km (0.098 R)
• M27: 76,363,131 km (0.099 R)
• M28: 82,639,659 km (0.118 R)
• M29: 84,980,866 km (0.113 R)
• M30: 86,566,005 km (0.063 R)
• M31: 88,980,514 km (0.079 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 18,353 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit