🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.62 AU - 0.64 AU

Year: 184 Days

Day: 37.5 Hours

Environment

Temp: 192 °C

Axial Tilt: 37.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.92 AU - 0.96 AU

Year: 336 Days

Day: 27.9 Hours

Environment

Temp: 30 °C

Axial Tilt: 31.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1 AU - 1.02 AU

Year: 375 Days

Day: 31.7 Hours

Environment

Temp: 26 °C

Axial Tilt: 6.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.14 AU - 1.18 AU

Year: 461 Days

Day: 32 Hours

Environment

Temp: -7 °C

Axial Tilt: 31.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 36,028,091 km

• M1: 179,667 km (0.063 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.24 AU - 3.78 AU

Year: 2426 Days

Day: 19.5 Hours

Environment

Temp: -116 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 36,028,091 km

• M1: 179,817 km (0.114 R)
• M2: 693,685 km (0.033 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.66 AU - 4.12 AU

Year: 2831 Days

Day: 35.3 Hours

Environment

Temp: -120 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.2

Radius: 13.1

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.13 AU - 9.09 AU

Year: 7746 Days

Day: 9.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,028,091 km

• M1: 169,943 km (0.057 R)
• M2: 809,474 km (0.116 R)
• M3: 1,270,984 km (0.116 R)
• M4: 2,120,699 km (0.103 R)
• M5: 2,528,802 km (0.078 R)
• M6: 4,085,069 km (0.035 R)
• M7: 4,696,027 km (0.11 R)
• M8: 5,496,076 km (0.099 R)
• M9: 8,802,189 km (0.111 R)
• M10: 11,830,499 km (0.101 R)
• M11: 16,844,870 km (0.105 R)
• M12: 17,335,551 km (0.103 R)
• M13: 25,337,242 km (0.048 R)
• M14: 25,981,859 km (0.081 R)
• M15: 26,637,546 km (0.099 R)
• M16: 30,701,373 km (0.054 R)
• M17: 31,539,869 km (0.084 R)
• M18: 34,035,909 km (0.078 R)
• M19: 35,161,184 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264.8

Radius: 3.2

Gravity: 25.86 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 12.76 AU - 17.62 AU

Year: 21843 Days

Day: 18.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,028,091 km

• M1: 42,336 km (0.032 R)
• M2: 190,887 km (0.049 R)
• M3: 382,372 km (0.082 R)
• M4: 1,013,825 km (0.091 R)
• M5: 2,452,059 km (0.028 R)
• M6: 2,735,098 km (0.052 R)
• M7: 3,471,119 km (0.105 R)
• M8: 3,632,685 km (0.112 R)
• M9: 6,295,677 km (0.099 R)
• M10: 9,085,677 km (0.06 R)
• M11: 9,601,491 km (0.112 R)
• M12: 12,227,532 km (0.091 R)
• M13: 13,904,972 km (0.109 R)
• M14: 14,039,910 km (0.047 R)
• M15: 15,080,812 km (0.097 R)
• M16: 16,547,320 km (0.073 R)
• M17: 21,874,350 km (0.096 R)
• M18: 29,779,251 km (0.089 R)
• M19: 31,258,325 km (0.092 R)
• M20: 34,116,393 km (0.092 R)
• M21: 42,295,208 km (0.099 R)
• M22: 51,365,027 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36.7

Radius: 6.1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 15.24 AU - 20.74 AU

Year: 28153 Days

Day: 20.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,028,091 km

• M1: 399,426 km (0.078 R)
• M2: 617,690 km (0.067 R)
• M3: 1,199,625 km (0.075 R)
• M4: 1,617,303 km (0.101 R)
• M5: 2,111,574 km (0.086 R)
• M6: 3,286,964 km (0.09 R)
• M7: 6,057,367 km (0.112 R)
• M8: 7,163,344 km (0.1 R)
• M9: 7,497,247 km (0.044 R)
• M10: 7,687,236 km (0.096 R)
• M11: 7,997,951 km (0.079 R)
• M12: 10,506,258 km (0.095 R)
• M13: 11,034,937 km (0.108 R)
• M14: 14,293,029 km (0.06 R)
• M15: 15,001,824 km (0.073 R)
• M16: 15,795,740 km (0.115 R)
• M17: 17,467,197 km (0.083 R)
• M18: 19,395,364 km (0.101 R)
• M19: 19,754,100 km (0.088 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 10,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit