🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.54 AU - 0.68 AU

Year: 169 Days

Day: 38.5 Hours

Environment

Temp: 173 °C

Axial Tilt: 0.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.01 AU - 1.15 AU

Year: 398 Days

Day: 17.1 Hours

Environment

Temp: 24 °C

Axial Tilt: 31.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.36 AU - 1.64 AU

Year: 652 Days

Day: 13.1 Hours

Environment

Temp: -20 °C

Axial Tilt: 13.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 89,955,464 km

• M1: 126,111 km (0.109 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.57 AU - 2.81 AU

Year: 1565 Days

Day: 24.4 Hours

Environment

Temp: -79 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.75 AU - 5.13 AU

Year: 3895 Days

Day: 32.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,955,464 km

• M1: 4,605,370 km (0.093 R)

Asteroid Belt

Center: 5.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.1

Radius: 11.7

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.34 AU - 6.52 AU

Year: 5123 Days

Day: 11.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 89,955,464 km

• M1: 145,708 km (0.117 R)
• M2: 643,420 km (0.107 R)
• M3: 1,712,297 km (0.117 R)
• M4: 2,460,436 km (0.081 R)
• M5: 3,013,948 km (0.115 R)
• M6: 3,689,383 km (0.06 R)
• M7: 4,106,611 km (0.05 R)
• M8: 5,213,635 km (0.047 R)
• M9: 5,659,736 km (0.027 R)
• M10: 6,509,602 km (0.057 R)
• M11: 6,965,426 km (0.095 R)
• M12: 8,427,147 km (0.109 R)
• M13: 9,650,858 km (0.109 R)
• M14: 10,737,238 km (0.106 R)
• M15: 13,009,480 km (0.114 R)
• M16: 13,833,465 km (0.112 R)
• M17: 15,531,849 km (0.051 R)
• M18: 16,403,706 km (0.048 R)
• M19: 17,480,810 km (0.087 R)
• M20: 18,424,025 km (0.101 R)
• M21: 21,325,176 km (0.088 R)
• M22: 21,926,410 km (0.111 R)
• M23: 22,953,549 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.5

Radius: 9.2

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.7 AU - 12.24 AU

Year: 12019 Days

Day: 9.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,955,464 km

• M1: 114,442 km (0.11 R)
• M2: 479,611 km (0.078 R)
• M3: 1,620,145 km (0.079 R)
• M4: 1,923,978 km (0.108 R)
• M5: 3,765,229 km (0.102 R)
• M6: 5,835,813 km (0.092 R)
• M7: 6,333,076 km (0.1 R)
• M8: 6,724,275 km (0.078 R)
• M9: 7,201,193 km (0.115 R)
• M10: 12,461,054 km (0.088 R)
• M11: 13,181,068 km (0.109 R)
• M12: 14,202,223 km (0.108 R)
• M13: 19,766,067 km (0.11 R)
• M14: 22,951,006 km (0.079 R)
• M15: 23,410,272 km (0.104 R)
• M16: 29,052,654 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.8

Radius: 4.1

Gravity: 36.57 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 15.12 AU - 20.92 AU

Year: 27137 Days

Day: 16.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 89,955,464 km

• M1: 54,005 km (0.11 R)
• M2: 222,452 km (0.119 R)
• M3: 419,173 km (0.06 R)
• M4: 907,610 km (0.086 R)
• M5: 1,144,873 km (0.045 R)
• M6: 1,559,408 km (0.107 R)
• M7: 2,088,685 km (0.09 R)
• M8: 2,221,080 km (0.083 R)
• M9: 2,677,802 km (0.112 R)
• M10: 3,281,878 km (0.1 R)
• M11: 4,351,353 km (0.089 R)
• M12: 5,023,347 km (0.073 R)
• M13: 6,157,000 km (0.069 R)
• M14: 10,955,202 km (0.117 R)
• M15: 11,767,668 km (0.117 R)
• M16: 12,117,727 km (0.044 R)
• M17: 15,008,855 km (0.114 R)
• M18: 16,964,997 km (0.106 R)
• M19: 18,328,282 km (0.074 R)
• M20: 18,515,429 km (0.114 R)
• M21: 18,798,618 km (0.103 R)
• M22: 20,659,017 km (0.119 R)
• M23: 21,685,707 km (0.106 R)
• M24: 26,490,043 km (0.085 R)
• M25: 30,624,629 km (0.092 R)
• M26: 31,822,609 km (0.105 R)
• M27: 31,957,696 km (0.073 R)
• M28: 34,311,618 km (0.072 R)
• M29: 36,041,119 km (0.115 R)
• M30: 39,516,876 km (0.096 R)
• M31: 46,082,128 km (0.114 R)
• M32: 47,301,052 km (0.107 R)
• M33: 49,984,987 km (0.064 R)
• M34: 54,487,733 km (0.107 R)
• M35: 55,654,297 km (0.075 R)
• M36: 63,644,769 km (0.113 R)
• M37: 76,889,715 km (0.112 R)
• M38: 79,344,467 km (0.088 R)
• M39: 89,955,444 km (0.066 R)

Kuiper Belt

Range: 30.9 - 55.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 19,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit