🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.73 AU - 0.89 AU

Year: 273 Days

Day: 31.9 Hours

Environment

Temp: 131 °C

Axial Tilt: 25 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,270,816 km

• M1: 31,416 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.82 AU - 0.92 AU

Year: 304 Days

Day: 44.5 Hours

Environment

Temp: 42 °C

Axial Tilt: 26.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 40,270,816 km

• M1: 42,336 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.07 AU - 1.29 AU

Year: 480 Days

Day: 34 Hours

Environment

Temp: 8 °C

Axial Tilt: 84 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 40,270,816 km

• M1: 324,478 km (0.079 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.57 AU - 1.63 AU

Year: 758 Days

Day: 14.6 Hours

Environment

Temp: -49 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.46 AU - 2.74 AU

Year: 1571 Days

Day: 25 Hours

Environment

Temp: -102 °C

Axial Tilt: 30 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.69 AU - 2.97 AU

Year: 1784 Days

Day: 32.5 Hours

Environment

Temp: -98 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.2

Radius: 15

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.84 AU - 6.42 AU

Year: 5687 Days

Day: 7.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,270,816 km

• M1: 186,549 km (0.094 R)
• M2: 752,178 km (0.047 R)
• M3: 1,516,025 km (0.101 R)
• M4: 2,117,109 km (0.096 R)
• M5: 2,683,636 km (0.104 R)
• M6: 3,493,559 km (0.068 R)
• M7: 4,036,599 km (0.096 R)
• M8: 4,711,735 km (0.098 R)
• M9: 5,321,944 km (0.06 R)
• M10: 5,806,641 km (0.066 R)
• M11: 6,541,466 km (0.119 R)
• M12: 7,617,224 km (0.089 R)
• M13: 8,537,401 km (0.094 R)
• M14: 10,205,866 km (0.058 R)
• M15: 12,925,256 km (0.102 R)
• M16: 16,571,704 km (0.11 R)
• M17: 17,301,592 km (0.095 R)
• M18: 17,863,033 km (0.119 R)
• M19: 18,630,620 km (0.08 R)
• M20: 20,026,667 km (0.075 R)
• M21: 20,576,439 km (0.091 R)
• M22: 22,359,945 km (0.077 R)
• M23: 22,877,254 km (0.086 R)
• M24: 25,665,459 km (0.059 R)
• M25: 28,413,872 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.5

Radius: 8.5

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 10.83 AU - 12.27 AU

Year: 14710 Days

Day: 5.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,270,816 km

• M1: 107,112 km (0.032 R)
• M2: 459,565 km (0.078 R)
• M3: 915,838 km (0.113 R)
• M4: 1,789,789 km (0.083 R)
• M5: 2,563,060 km (0.069 R)
• M6: 3,261,533 km (0.052 R)
• M7: 4,032,261 km (0.101 R)
• M8: 5,031,575 km (0.034 R)
• M9: 5,773,879 km (0.086 R)
• M10: 6,385,286 km (0.099 R)
• M11: 7,327,453 km (0.065 R)
• M12: 7,774,751 km (0.078 R)
• M13: 8,044,027 km (0.063 R)
• M14: 9,057,253 km (0.082 R)
• M15: 9,616,450 km (0.094 R)
• M16: 13,633,602 km (0.076 R)
• M17: 16,164,050 km (0.096 R)
• M18: 16,858,483 km (0.09 R)
• M19: 17,310,568 km (0.036 R)
• M20: 18,647,225 km (0.067 R)
• M21: 21,374,095 km (0.072 R)
• M22: 21,980,266 km (0.051 R)
• M23: 22,287,540 km (0.113 R)
• M24: 23,625,992 km (0.097 R)
• M25: 27,161,139 km (0.092 R)
• M26: 31,323,849 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.1

Radius: 7.6

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 12.15 AU - 15.79 AU

Year: 19567 Days

Day: 24.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,270,816 km

• M1: 95,743 km (0.059 R)
• M2: 374,443 km (0.08 R)
• M3: 636,090 km (0.11 R)
• M4: 894,146 km (0.106 R)
• M5: 1,953,449 km (0.074 R)
• M6: 3,333,639 km (0.11 R)
• M7: 4,649,651 km (0.061 R)
• M8: 5,678,735 km (0.095 R)
• M9: 7,534,946 km (0.064 R)
• M10: 7,892,933 km (0.035 R)
• M11: 10,284,704 km (0.112 R)
• M12: 11,488,219 km (0.115 R)
• M13: 12,727,188 km (0.082 R)
• M14: 13,007,984 km (0.081 R)
• M15: 13,350,264 km (0.11 R)
• M16: 16,177,663 km (0.107 R)
• M17: 26,007,141 km (0.079 R)
• M18: 31,995,394 km (0.1 R)
• M19: 32,619,517 km (0.087 R)
• M20: 33,145,802 km (0.079 R)
• M21: 34,649,560 km (0.098 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 17,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit