🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.53 AU - 0.73 AU

Year: 323 Days

Day: 41.6 Hours

Environment

Temp: -125 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,456,345 km

• M1: 39,943 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.6

Radius: 14.1

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.54 AU - 0.84 AU

Year: 370 Days

Day: 12.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,456,345 km

• M1: 175,329 km (0.063 R)
• M2: 625,319 km (0.099 R)
• M3: 1,118,394 km (0.053 R)
• M4: 1,676,244 km (0.056 R)
• M5: 2,365,142 km (0.079 R)
• M6: 3,469,324 km (0.041 R)
• M7: 4,098,832 km (0.052 R)
• M8: 5,376,547 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.5

Radius: 12.1

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.79 AU - 1.29 AU

Year: 685 Days

Day: 14.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,456,345 km

• M1: 150,495 km (0.11 R)
• M2: 534,364 km (0.105 R)
• M3: 1,010,833 km (0.091 R)
• M4: 1,595,461 km (0.081 R)
• M5: 2,024,209 km (0.067 R)
• M6: 3,109,242 km (0.069 R)
• M7: 3,637,173 km (0.078 R)
• M8: 4,433,931 km (0.115 R)
• M9: 4,981,011 km (0.065 R)
• M10: 5,894,754 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.7

Radius: 12.7

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.13 AU - 1.19 AU

Year: 807 Days

Day: 5.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,456,345 km

• M1: 157,975 km (0.099 R)
• M2: 730,187 km (0.093 R)
• M3: 1,240,466 km (0.08 R)
• M4: 1,646,624 km (0.103 R)
• M5: 2,348,088 km (0.076 R)
• M6: 2,763,372 km (0.111 R)
• M7: 4,236,313 km (0.105 R)
• M8: 5,255,972 km (0.087 R)
• M9: 6,263,812 km (0.099 R)
• M10: 6,825,104 km (0.099 R)
• M11: 7,279,432 km (0.025 R)
• M12: 8,023,831 km (0.092 R)
• M13: 8,530,669 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.8

Radius: 13.2

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.35 AU - 3.27 AU

Year: 3041 Days

Day: 8 Hours

Environment

Temp: -198 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,456,345 km

• M1: 165,605 km (0.055 R)
• M2: 856,149 km (0.112 R)
• M3: 1,529,189 km (0.108 R)
• M4: 2,029,146 km (0.055 R)
• M5: 3,715,862 km (0.063 R)
• M6: 5,327,779 km (0.085 R)
• M7: 6,016,976 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.2

Radius: 14.5

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.93 AU - 5.53 AU

Year: 6642 Days

Day: 11.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,456,345 km

• M1: 180,265 km (0.1 R)
• M2: 670,797 km (0.074 R)
• M3: 1,180,626 km (0.098 R)
• M4: 2,140,596 km (0.114 R)
• M5: 5,821,452 km (0.112 R)
• M6: 10,789,597 km (0.118 R)
• M7: 12,856,142 km (0.048 R)
• M8: 14,813,181 km (0.112 R)
• M9: 21,803,441 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243

Radius: 12

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.51 AU - 7.45 AU

Year: 9442 Days

Day: 8.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 39,456,345 km

• M1: 166,502 km (0.049 R)
• M2: 560,394 km (0.048 R)
• M3: 1,136,495 km (0.096 R)
• M4: 1,756,129 km (0.079 R)
• M5: 2,292,737 km (0.118 R)
• M6: 2,956,353 km (0.104 R)
• M7: 3,611,293 km (0.111 R)
• M8: 4,853,254 km (0.103 R)
• M9: 5,268,089 km (0.104 R)
• M10: 5,676,641 km (0.102 R)
• M11: 6,859,810 km (0.116 R)
• M12: 7,747,823 km (0.115 R)
• M13: 8,239,252 km (0.114 R)
• M14: 9,118,140 km (0.03 R)
• M15: 10,552,335 km (0.119 R)
• M16: 11,686,286 km (0.115 R)
• M17: 12,081,823 km (0.071 R)
• M18: 13,269,032 km (0.11 R)
• M19: 14,874,965 km (0.088 R)
• M20: 16,545,076 km (0.092 R)
• M21: 17,489,487 km (0.094 R)
• M22: 19,972,812 km (0.103 R)
• M23: 21,629,907 km (0.051 R)
• M24: 23,221,479 km (0.066 R)
• M25: 24,085,556 km (0.046 R)
• M26: 25,794,712 km (0.076 R)
• M27: 27,064,050 km (0.109 R)
• M28: 28,285,965 km (0.1 R)
• M29: 31,122,042 km (0.104 R)
• M30: 31,692,010 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.3

Radius: 7.6

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.05 AU - 6.93 AU

Year: 10675 Days

Day: 23.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,456,345 km

• M1: 94,546 km (0.114 R)
• M2: 428,000 km (0.104 R)
• M3: 975,378 km (0.045 R)
• M4: 3,227,724 km (0.11 R)
• M5: 4,256,359 km (0.094 R)
• M6: 6,186,770 km (0.08 R)
• M7: 7,590,746 km (0.114 R)
• M8: 8,959,865 km (0.1 R)
• M9: 11,338,771 km (0.097 R)
• M10: 12,007,623 km (0.114 R)
• M11: 12,643,563 km (0.036 R)
• M12: 15,481,136 km (0.099 R)
• M13: 16,868,656 km (0.076 R)
• M14: 17,228,140 km (0.104 R)
• M15: 18,870,575 km (0.088 R)
• M16: 19,414,512 km (0.112 R)
• M17: 22,811,731 km (0.086 R)
• M18: 23,074,873 km (0.039 R)
• M19: 24,604,511 km (0.113 R)
• M20: 28,366,599 km (0.035 R)
• M21: 30,543,098 km (0.07 R)
• M22: 31,077,312 km (0.098 R)
• M23: 36,526,714 km (0.066 R)
• M24: 37,736,960 km (0.108 R)
• M25: 43,920,289 km (0.096 R)
• M26: 47,108,968 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.8

Radius: 3.2

Gravity: 13.36 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.81 AU - 9.7 AU

Year: 16712 Days

Day: 19.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,456,345 km

• M1: 52,808 km (0.109 R)
• M2: 189,391 km (0.108 R)
• M3: 482,752 km (0.06 R)
• M4: 619,485 km (0.093 R)
• M5: 859,589 km (0.107 R)
• M6: 991,235 km (0.083 R)
• M7: 2,168,720 km (0.106 R)
• M8: 2,506,064 km (0.069 R)
• M9: 2,877,515 km (0.067 R)
• M10: 3,397,517 km (0.076 R)
• M11: 3,728,278 km (0.111 R)
• M12: 4,158,372 km (0.076 R)
• M13: 5,518,366 km (0.094 R)
• M14: 6,851,283 km (0.114 R)
• M15: 9,895,750 km (0.109 R)
• M16: 10,084,692 km (0.079 R)
• M17: 10,518,525 km (0.087 R)
• M18: 11,167,032 km (0.035 R)
• M19: 13,910,358 km (0.037 R)
• M20: 14,266,999 km (0.118 R)
• M21: 17,003,444 km (0.05 R)
• M22: 18,961,680 km (0.042 R)
• M23: 20,372,836 km (0.103 R)
• M24: 20,525,277 km (0.083 R)
• M25: 20,909,893 km (0.071 R)
• M26: 21,772,773 km (0.095 R)
• M27: 22,905,080 km (0.034 R)
• M28: 23,906,338 km (0.12 R)
• M29: 35,131,414 km (0.102 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 19,103 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit