🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.54 AU - 0.54 AU

Year: 138 Days

Day: 33.2 Hours

Environment

Temp: 250 °C

Axial Tilt: 39.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 58,465,263 km

• M1: 70,760 km (0.107 R)
• M2: 239,805 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.04 AU - 1.14 AU

Year: 396 Days

Day: 47.2 Hours

Environment

Temp: 109 °C

Axial Tilt: 37.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.05 AU - 1.37 AU

Year: 464 Days

Day: 30.8 Hours

Environment

Temp: 19 °C

Axial Tilt: 38.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 58,465,263 km

• M1: 36,352 km (0.049 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.54 AU - 1.9 AU

Year: 786 Days

Day: 41.2 Hours

Environment

Temp: -23 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.58 AU - 2.14 AU

Year: 883 Days

Day: 18.7 Hours

Environment

Temp: -41 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.77 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.9

Radius: 9.3

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.98 AU - 9.38 AU

Year: 7412 Days

Day: 8.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,465,263 km

• M1: 115,639 km (0.115 R)
• M2: 449,841 km (0.117 R)
• M3: 775,515 km (0.118 R)
• M4: 1,096,552 km (0.091 R)
• M5: 1,393,205 km (0.112 R)
• M6: 1,878,949 km (0.089 R)
• M7: 2,681,243 km (0.068 R)
• M8: 3,458,104 km (0.109 R)
• M9: 3,853,492 km (0.071 R)
• M10: 5,806,492 km (0.091 R)
• M11: 7,487,523 km (0.073 R)
• M12: 9,639,937 km (0.068 R)
• M13: 10,381,195 km (0.046 R)
• M14: 10,697,295 km (0.099 R)
• M15: 13,462,462 km (0.058 R)
• M16: 15,355,922 km (0.093 R)
• M17: 15,766,718 km (0.046 R)
• M18: 19,119,206 km (0.067 R)
• M19: 20,997,408 km (0.081 R)
• M20: 24,079,722 km (0.085 R)
• M21: 25,036,101 km (0.098 R)
• M22: 26,601,793 km (0.087 R)
• M23: 26,939,585 km (0.085 R)
• M24: 27,970,015 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.2

Radius: 14.6

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.58 AU - 9.86 AU

Year: 8207 Days

Day: 9.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,465,263 km

• M1: 182,659 km (0.054 R)
• M2: 668,852 km (0.106 R)
• M3: 1,148,014 km (0.116 R)
• M4: 2,251,897 km (0.078 R)
• M5: 2,821,865 km (0.054 R)
• M6: 4,335,047 km (0.093 R)
• M7: 5,345,880 km (0.083 R)
• M8: 6,968,119 km (0.065 R)
• M9: 7,640,113 km (0.116 R)
• M10: 9,289,130 km (0.097 R)
• M11: 11,214,754 km (0.09 R)
• M12: 12,298,441 km (0.084 R)
• M13: 14,854,620 km (0.087 R)
• M14: 17,611,260 km (0.063 R)
• M15: 18,648,571 km (0.092 R)
• M16: 20,467,233 km (0.099 R)
• M17: 22,163,373 km (0.067 R)
• M18: 22,722,121 km (0.026 R)
• M19: 25,224,595 km (0.07 R)
• M20: 28,557,486 km (0.032 R)
• M21: 29,219,606 km (0.056 R)
• M22: 32,582,117 km (0.075 R)
• M23: 35,430,161 km (0.073 R)
• M24: 36,525,816 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.9

Radius: 14.1

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 8.66 AU - 9.38 AU

Year: 9434 Days

Day: 8.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,465,263 km

• M1: 175,329 km (0.063 R)
• M2: 650,003 km (0.079 R)
• M3: 2,529,401 km (0.083 R)
• M4: 3,304,019 km (0.07 R)
• M5: 3,797,243 km (0.083 R)
• M6: 4,672,689 km (0.082 R)
• M7: 5,454,039 km (0.06 R)
• M8: 6,356,264 km (0.076 R)
• M9: 6,825,104 km (0.082 R)
• M10: 7,278,236 km (0.1 R)
• M11: 8,629,852 km (0.071 R)
• M12: 9,388,613 km (0.072 R)
• M13: 10,046,395 km (0.115 R)
• M14: 11,039,425 km (0.034 R)
• M15: 11,612,984 km (0.071 R)
• M16: 15,937,559 km (0.076 R)
• M17: 18,277,718 km (0.088 R)
• M18: 21,075,498 km (0.098 R)
• M19: 22,868,428 km (0.055 R)
• M20: 24,061,022 km (0.089 R)
• M21: 26,385,474 km (0.089 R)
• M22: 26,942,427 km (0.104 R)
• M23: 29,745,891 km (0.118 R)
• M24: 30,756,275 km (0.04 R)
• M25: 33,382,166 km (0.061 R)
• M26: 34,143,320 km (0.072 R)
• M27: 35,926,826 km (0.051 R)
• M28: 38,836,954 km (0.112 R)
• M29: 39,316,714 km (0.115 R)
• M30: 39,921,987 km (0.049 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.8

Radius: 8.7

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 10 AU - 10.42 AU

Year: 11361 Days

Day: 8.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,465,263 km

• M1: 122,371 km (0.104 R)
• M2: 434,731 km (0.088 R)
• M3: 1,147,715 km (0.088 R)
• M4: 1,821,803 km (0.099 R)
• M5: 2,127,581 km (0.074 R)
• M6: 2,790,748 km (0.067 R)
• M7: 4,023,734 km (0.099 R)
• M8: 8,924,411 km (0.045 R)
• M9: 11,032,245 km (0.089 R)
• M10: 14,840,408 km (0.054 R)
• M11: 17,775,069 km (0.099 R)
• M12: 18,151,308 km (0.087 R)
• M13: 25,470,234 km (0.025 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 234.5

Radius: 4.8

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 15.53 AU - 17.17 AU

Year: 23023 Days

Day: 18.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,465,263 km

• M1: 59,690 km (0.051 R)
• M2: 219,909 km (0.112 R)
• M3: 585,227 km (0.095 R)
• M4: 1,005,597 km (0.108 R)
• M5: 1,158,935 km (0.09 R)
• M6: 4,325,323 km (0.092 R)
• M7: 4,768,432 km (0.106 R)
• M8: 5,171,898 km (0.11 R)
• M9: 6,640,799 km (0.075 R)
• M10: 6,805,656 km (0.086 R)
• M11: 7,100,663 km (0.099 R)
• M12: 8,511,221 km (0.09 R)
• M13: 10,537,973 km (0.056 R)
• M14: 14,250,544 km (0.108 R)
• M15: 14,803,308 km (0.102 R)
• M16: 18,182,275 km (0.116 R)
• M17: 19,751,407 km (0.038 R)
• M18: 23,155,955 km (0.098 R)
• M19: 32,027,558 km (0.089 R)
• M20: 32,974,662 km (0.113 R)
• M21: 39,321,202 km (0.113 R)
• M22: 46,736,170 km (0.053 R)
• M23: 55,367,818 km (0.059 R)

Kuiper Belt

Range: 31.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 19,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit