🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.7 AU - 0.88 AU

Year: 267 Days

Day: 24.6 Hours

Environment

Temp: 73 °C

Axial Tilt: 15.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.87 AU - 0.95 AU

Year: 331 Days

Day: 34.1 Hours

Environment

Temp: 12 °C

Axial Tilt: 28 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 87,862,699 km

• M1: 252,970 km (0.095 R)
• M2: 439,818 km (0.039 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.87 AU - 2.01 AU

Year: 1029 Days

Day: 23.1 Hours

Environment

Temp: -67 °C

Axial Tilt: 42.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,862,699 km

• M1: 1,750,145 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.6

Radius: 12.3

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.97 AU - 5.85 AU

Year: 4143 Days

Day: 5.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,862,699 km

• M1: 156,031 km (0.115 R)
• M2: 592,408 km (0.089 R)
• M3: 1,283,550 km (0.069 R)
• M4: 2,220,182 km (0.095 R)
• M5: 2,657,457 km (0.094 R)
• M6: 3,770,016 km (0.097 R)
• M7: 4,559,893 km (0.113 R)
• M8: 5,120,286 km (0.105 R)
• M9: 7,019,132 km (0.097 R)
• M10: 7,468,973 km (0.093 R)
• M11: 9,310,971 km (0.115 R)
• M12: 9,697,383 km (0.073 R)
• M13: 10,134,657 km (0.1 R)
• M14: 10,626,834 km (0.063 R)
• M15: 12,994,370 km (0.094 R)
• M16: 18,323,944 km (0.115 R)
• M17: 19,933,617 km (0.094 R)
• M18: 20,318,233 km (0.066 R)
• M19: 20,838,535 km (0.108 R)
• M20: 23,220,432 km (0.119 R)
• M21: 24,440,552 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994

Radius: 14.7

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.81 AU - 7.53 AU

Year: 7311 Days

Day: 8.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,862,699 km

• M1: 199,115 km (0.058 R)
• M2: 1,094,907 km (0.096 R)
• M3: 2,386,385 km (0.104 R)
• M4: 3,767,922 km (0.035 R)
• M5: 4,535,807 km (0.085 R)
• M6: 5,063,439 km (0.09 R)
• M7: 5,797,665 km (0.101 R)
• M8: 8,564,029 km (0.075 R)
• M9: 10,787,652 km (0.103 R)
• M10: 11,787,863 km (0.113 R)
• M11: 13,671,001 km (0.119 R)
• M12: 14,842,353 km (0.098 R)
• M13: 15,355,174 km (0.058 R)
• M14: 18,390,665 km (0.052 R)
• M15: 19,057,572 km (0.041 R)
• M16: 21,888,412 km (0.091 R)
• M17: 22,637,748 km (0.097 R)
• M18: 24,720,001 km (0.094 R)
• M19: 25,532,766 km (0.103 R)
• M20: 28,963,494 km (0.078 R)
• M21: 33,780,246 km (0.034 R)
• M22: 37,194,369 km (0.115 R)

Asteroid Belt

Center: 11.65 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 16.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.7

Radius: 6.8

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 12.24 AU - 20 AU

Year: 24646 Days

Day: 22.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,862,699 km

• M1: 126,410 km (0.098 R)
• M2: 504,594 km (0.104 R)
• M3: 826,977 km (0.073 R)
• M4: 1,340,696 km (0.1 R)
• M5: 6,450,211 km (0.119 R)
• M6: 7,410,480 km (0.108 R)
• M7: 11,299,277 km (0.089 R)
• M8: 20,130,488 km (0.052 R)
• M9: 22,262,706 km (0.079 R)
• M10: 24,221,541 km (0.05 R)
• M11: 25,188,242 km (0.096 R)
• M12: 33,208,783 km (0.033 R)
• M13: 35,484,765 km (0.081 R)
• M14: 43,557,963 km (0.099 R)
• M15: 48,945,431 km (0.104 R)
• M16: 54,032,507 km (0.077 R)
• M17: 60,823,502 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.5

Radius: 5.8

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 16.42 AU - 21.02 AU

Year: 30843 Days

Day: 24.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,862,699 km

• M1: 72,106 km (0.113 R)
• M2: 323,431 km (0.114 R)
• M3: 795,711 km (0.051 R)
• M4: 1,226,104 km (0.115 R)
• M5: 1,443,919 km (0.097 R)
• M6: 1,999,376 km (0.04 R)
• M7: 10,527,651 km (0.103 R)
• M8: 13,515,569 km (0.109 R)
• M9: 17,378,934 km (0.112 R)
• M10: 25,082,776 km (0.094 R)
• M11: 31,626,336 km (0.098 R)
• M12: 37,257,051 km (0.109 R)
• M13: 50,998,812 km (0.028 R)
• M14: 52,665,482 km (0.083 R)
• M15: 54,751,175 km (0.099 R)
• M16: 55,717,278 km (0.107 R)
• M17: 60,512,937 km (0.092 R)
• M18: 71,832,110 km (0.106 R)
• M19: 73,924,386 km (0.046 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 558 - 17,084 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit