🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.53 AU - 0.63 AU

Year: 290 Days

Day: 25.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.8

Radius: 14.3

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.91 AU - 0.99 AU

Year: 607 Days

Day: 14.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,267,523 km

• M1: 177,872 km (0.068 R)
• M2: 933,640 km (0.12 R)
• M3: 1,419,534 km (0.105 R)
• M4: 2,036,027 km (0.102 R)
• M5: 2,540,321 km (0.088 R)
• M6: 3,304,467 km (0.067 R)
• M7: 4,063,677 km (0.048 R)
• M8: 4,582,482 km (0.111 R)
• M9: 5,080,643 km (0.106 R)
• M10: 5,649,713 km (0.068 R)
• M11: 6,168,519 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.6

Radius: 11.9

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.78 AU - 1.22 AU

Year: 656 Days

Day: 9.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,267,523 km

• M1: 147,952 km (0.102 R)
• M2: 537,655 km (0.096 R)
• M3: 1,113,457 km (0.115 R)
• M4: 1,747,453 km (0.115 R)
• M5: 2,392,369 km (0.053 R)
• M6: 3,032,349 km (0.093 R)
• M7: 3,728,129 km (0.081 R)
• M8: 4,386,808 km (0.118 R)
• M9: 5,070,321 km (0.118 R)
• M10: 5,637,745 km (0.09 R)
• M11: 6,837,071 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.1

Radius: 14.7

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.24 AU - 1.8 AU

Year: 1229 Days

Day: 12.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,267,523 km

• M1: 182,958 km (0.109 R)
• M2: 655,388 km (0.062 R)
• M3: 1,175,989 km (0.102 R)
• M4: 1,992,793 km (0.077 R)
• M5: 2,479,286 km (0.092 R)
• M6: 3,221,441 km (0.081 R)
• M7: 3,759,993 km (0.075 R)
• M8: 4,223,896 km (0.089 R)
• M9: 5,485,305 km (0.093 R)
• M10: 5,957,885 km (0.098 R)
• M11: 7,175,462 km (0.12 R)
• M12: 7,869,297 km (0.109 R)
• M13: 9,920,583 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.8

Radius: 13.3

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.42 AU - 2.98 AU

Year: 2910 Days

Day: 11.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,267,523 km

• M1: 166,054 km (0.109 R)
• M2: 743,651 km (0.119 R)
• M3: 1,241,962 km (0.11 R)
• M4: 2,390,275 km (0.09 R)
• M5: 2,909,080 km (0.03 R)
• M6: 3,370,290 km (0.047 R)
• M7: 5,008,986 km (0.088 R)
• M8: 6,173,306 km (0.067 R)
• M9: 7,190,870 km (0.096 R)
• M10: 10,263,611 km (0.069 R)
• M11: 10,919,298 km (0.091 R)
• M12: 13,340,689 km (0.04 R)
• M13: 13,825,686 km (0.071 R)
• M14: 15,830,596 km (0.09 R)
• M15: 16,374,385 km (0.08 R)
• M16: 21,185,302 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.3

Radius: 12.5

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.57 AU - 7.05 AU

Year: 9187 Days

Day: 10.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,267,523 km

• M1: 155,432 km (0.076 R)
• M2: 711,936 km (0.1 R)
• M3: 1,177,186 km (0.027 R)
• M4: 1,669,213 km (0.049 R)
• M5: 2,103,496 km (0.049 R)
• M6: 2,801,968 km (0.074 R)
• M7: 5,757,424 km (0.092 R)
• M8: 6,180,636 km (0.074 R)
• M9: 8,086,513 km (0.087 R)
• M10: 12,265,380 km (0.116 R)
• M11: 12,804,381 km (0.088 R)
• M12: 13,699,425 km (0.096 R)
• M13: 14,104,087 km (0.113 R)
• M14: 15,304,161 km (0.102 R)
• M15: 16,376,778 km (0.052 R)
• M16: 19,313,384 km (0.079 R)
• M17: 21,871,209 km (0.068 R)
• M18: 22,424,721 km (0.099 R)
• M19: 25,680,868 km (0.096 R)
• M20: 26,922,830 km (0.054 R)
• M21: 29,526,581 km (0.069 R)
• M22: 31,888,282 km (0.104 R)
• M23: 33,845,321 km (0.094 R)
• M24: 35,771,992 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.1

Radius: 6.5

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.41 AU - 12.65 AU

Year: 22416 Days

Day: 16.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,267,523 km

• M1: 83,326 km (0.088 R)
• M2: 365,916 km (0.041 R)
• M3: 797,805 km (0.111 R)
• M4: 1,093,261 km (0.119 R)
• M5: 2,322,357 km (0.079 R)
• M6: 2,863,154 km (0.109 R)
• M7: 3,434,019 km (0.103 R)
• M8: 4,106,312 km (0.068 R)
• M9: 4,550,019 km (0.06 R)
• M10: 5,123,877 km (0.111 R)
• M11: 5,889,668 km (0.118 R)
• M12: 7,388,040 km (0.074 R)
• M13: 10,192,103 km (0.082 R)
• M14: 10,511,943 km (0.118 R)
• M15: 15,934,567 km (0.088 R)
• M16: 18,012,930 km (0.09 R)
• M17: 25,320,636 km (0.077 R)
• M18: 30,823,295 km (0.117 R)
• M19: 43,138,491 km (0.097 R)
• M20: 46,551,267 km (0.11 R)
• M21: 49,225,927 km (0.107 R)
• M22: 52,158,345 km (0.089 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: 430 - 17,918 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit