🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.75 AU - 0.85 AU

Year: 264 Days

Day: 43.5 Hours

Environment

Temp: 124 °C

Axial Tilt: 22.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.33 AU - 2.01 AU

Year: 796 Days

Day: 27.5 Hours

Environment

Temp: -52 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.3

Radius: 12.1

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.28 AU - 5.94 AU

Year: 4903 Days

Day: 11 Hours

Environment

Temp: -151 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 99,538,748 km

• M1: 150,495 km (0.114 R)
• M2: 546,182 km (0.115 R)
• M3: 1,051,523 km (0.091 R)
• M4: 2,878,113 km (0.093 R)
• M5: 3,669,935 km (0.111 R)
• M6: 5,143,923 km (0.093 R)
• M7: 5,925,422 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.9

Radius: 13.6

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.77 AU - 10.39 AU

Year: 10095 Days

Day: 14.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 99,538,748 km

• M1: 171,888 km (0.112 R)
• M2: 954,883 km (0.051 R)
• M3: 1,390,213 km (0.112 R)
• M4: 2,386,385 km (0.08 R)
• M5: 4,074,298 km (0.092 R)
• M6: 5,721,071 km (0.071 R)
• M7: 9,937,637 km (0.07 R)
• M8: 10,740,080 km (0.112 R)
• M9: 11,423,593 km (0.115 R)
• M10: 13,710,196 km (0.074 R)
• M11: 14,264,007 km (0.1 R)
• M12: 17,331,961 km (0.115 R)
• M13: 18,569,584 km (0.06 R)
• M14: 19,324,604 km (0.11 R)
• M15: 22,129,564 km (0.036 R)
• M16: 23,760,929 km (0.11 R)
• M17: 25,104,467 km (0.072 R)
• M18: 32,266,316 km (0.088 R)
• M19: 35,846,193 km (0.105 R)
• M20: 41,444,145 km (0.1 R)
• M21: 42,473,827 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171.4

Radius: 6.2

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 13.51 AU - 15.03 AU

Year: 19889 Days

Day: 19.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 99,538,748 km

• M1: 77,492 km (0.106 R)
• M2: 299,196 km (0.113 R)
• M3: 537,954 km (0.115 R)
• M4: 813,364 km (0.047 R)
• M5: 1,416,991 km (0.109 R)
• M6: 1,744,760 km (0.116 R)
• M7: 3,585,412 km (0.035 R)
• M8: 4,029,867 km (0.07 R)
• M9: 5,188,353 km (0.117 R)
• M10: 6,629,430 km (0.066 R)
• M11: 7,380,261 km (0.114 R)
• M12: 8,909,301 km (0.116 R)
• M13: 10,224,865 km (0.09 R)
• M14: 11,224,927 km (0.083 R)
• M15: 12,520,743 km (0.116 R)
• M16: 14,550,039 km (0.073 R)
• M17: 15,139,305 km (0.108 R)
• M18: 17,509,832 km (0.087 R)
• M19: 20,439,707 km (0.104 R)
• M20: 24,221,840 km (0.103 R)
• M21: 25,142,166 km (0.113 R)
• M22: 37,823,278 km (0.034 R)
• M23: 39,689,512 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 43.1

Radius: 7.5

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 12.87 AU - 18.53 AU

Year: 22952 Days

Day: 19.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 99,538,748 km

• M1: 97,687 km (0.093 R)
• M2: 338,540 km (0.101 R)
• M3: 667,954 km (0.095 R)
• M4: 2,147,477 km (0.104 R)
• M5: 5,996,331 km (0.034 R)
• M6: 9,304,090 km (0.088 R)
• M7: 19,769,658 km (0.108 R)
• M8: 25,351,154 km (0.088 R)
• M9: 27,306,249 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.9

Radius: 6.6

Gravity: 22.66 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 12.66 AU - 20.52 AU

Year: 24931 Days

Day: 23 Hours

Environment

Temp: -200 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 99,538,748 km

• M1: 82,129 km (0.11 R)
• M2: 295,605 km (0.111 R)
• M3: 785,987 km (0.107 R)
• M4: 1,292,226 km (0.067 R)
• M5: 1,770,341 km (0.062 R)
• M6: 2,039,617 km (0.092 R)
• M7: 2,848,792 km (0.119 R)
• M8: 3,073,787 km (0.097 R)
• M9: 3,341,119 km (0.049 R)
• M10: 5,368,918 km (0.07 R)
• M11: 6,165,078 km (0.03 R)
• M12: 6,836,922 km (0.109 R)
• M13: 7,989,573 km (0.083 R)
• M14: 10,473,945 km (0.087 R)
• M15: 10,740,978 km (0.108 R)
• M16: 13,197,674 km (0.091 R)
• M17: 13,985,905 km (0.109 R)
• M18: 19,993,456 km (0.071 R)
• M19: 20,301,329 km (0.085 R)
• M20: 22,325,388 km (0.115 R)
• M21: 29,594,947 km (0.111 R)
• M22: 30,805,792 km (0.074 R)
• M23: 32,189,572 km (0.105 R)
• M24: 34,636,245 km (0.102 R)
• M25: 35,678,643 km (0.107 R)
• M26: 40,058,420 km (0.061 R)
• M27: 40,547,904 km (0.037 R)
• M28: 49,866,655 km (0.065 R)
• M29: 52,352,373 km (0.093 R)
• M30: 54,718,862 km (0.112 R)
• M31: 55,321,592 km (0.106 R)
• M32: 56,540,066 km (0.117 R)
• M33: 60,302,602 km (0.115 R)
• M34: 64,006,496 km (0.05 R)
• M35: 66,027,264 km (0.048 R)
• M36: 84,014,463 km (0.072 R)
• M37: 87,800,337 km (0.107 R)
• M38: 88,350,258 km (0.069 R)
• M39: 96,584,724 km (0.11 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: 454 - 17,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit