🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.52 AU - 0.76 AU

Year: 189 Days

Day: 25.3 Hours

Environment

Temp: 129 °C

Axial Tilt: 13.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.39 AU - 1.41 AU

Year: 611 Days

Day: 40.7 Hours

Environment

Temp: -32 °C

Axial Tilt: 42.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.02 AU - 3.9 AU

Year: 2375 Days

Day: 41.5 Hours

Environment

Temp: -107 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 42,839,601 km

• M1: 527,033 km (0.095 R)
• M2: 1,755,980 km (0.107 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.54 AU - 3.56 AU

Year: 2468 Days

Day: 22.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 48.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.19 AU - 4.69 AU

Year: 2886 Days

Day: 12.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,839,601 km

• M1: 107,710 km (0.051 R)

Asteroid Belt

Center: 5.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.3

Radius: 11.5

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.62 AU - 8.84 AU

Year: 7173 Days

Day: 13.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,839,601 km

• M1: 143,165 km (0.098 R)
• M2: 702,960 km (0.113 R)
• M3: 2,608,388 km (0.115 R)
• M4: 4,539,547 km (0.097 R)
• M5: 5,054,014 km (0.106 R)
• M6: 7,319,973 km (0.06 R)
• M7: 9,402,974 km (0.098 R)
• M8: 10,098,305 km (0.067 R)
• M9: 12,391,491 km (0.067 R)
• M10: 14,041,555 km (0.041 R)
• M11: 20,778,995 km (0.069 R)
• M12: 22,119,242 km (0.074 R)
• M13: 24,193,716 km (0.099 R)
• M14: 27,777,931 km (0.059 R)
• M15: 29,403,013 km (0.084 R)
• M16: 35,205,017 km (0.097 R)
• M17: 36,091,683 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.8

Radius: 7.8

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 10.98 AU - 15.16 AU

Year: 17434 Days

Day: 23.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,839,601 km

• M1: 97,239 km (0.093 R)
• M2: 443,558 km (0.094 R)
• M3: 813,214 km (0.108 R)
• M4: 1,094,608 km (0.065 R)
• M5: 3,257,045 km (0.083 R)
• M6: 3,768,670 km (0.115 R)
• M7: 4,043,930 km (0.07 R)
• M8: 5,244,901 km (0.115 R)
• M9: 5,588,827 km (0.111 R)
• M10: 6,364,492 km (0.103 R)
• M11: 6,980,536 km (0.111 R)
• M12: 8,077,986 km (0.086 R)
• M13: 12,188,935 km (0.1 R)
• M14: 17,345,125 km (0.102 R)
• M15: 17,937,832 km (0.07 R)
• M16: 18,631,816 km (0.088 R)
• M17: 19,980,890 km (0.028 R)
• M18: 29,113,092 km (0.1 R)
• M19: 31,797,327 km (0.044 R)
• M20: 34,509,386 km (0.036 R)
• M21: 47,721,870 km (0.108 R)
• M22: 58,686,945 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.8

Radius: 6.5

Gravity: 15.97 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 14.06 AU - 19.38 AU

Year: 25225 Days

Day: 24.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,839,601 km

• M1: 81,232 km (0.118 R)
• M2: 530,175 km (0.073 R)
• M3: 2,685,880 km (0.052 R)
• M4: 3,520,786 km (0.096 R)
• M5: 5,647,619 km (0.042 R)
• M6: 7,052,343 km (0.11 R)
• M7: 10,469,009 km (0.096 R)
• M8: 12,211,973 km (0.1 R)
• M9: 16,091,196 km (0.095 R)
• M10: 17,849,120 km (0.114 R)
• M11: 18,774,383 km (0.073 R)
• M12: 23,995,498 km (0.113 R)
• M13: 27,116,110 km (0.11 R)
• M14: 31,417,498 km (0.104 R)
• M15: 37,480,849 km (0.076 R)
• M16: 62,328,307 km (0.097 R)
• M17: 69,287,002 km (0.117 R)
• M18: 73,419,942 km (0.077 R)
• M19: 78,201,389 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.2

Radius: 4.6

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 15.27 AU - 22.07 AU

Year: 29764 Days

Day: 23.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,839,601 km

• M1: 57,146 km (0.066 R)
• M2: 216,468 km (0.06 R)
• M3: 436,676 km (0.05 R)
• M4: 2,693,809 km (0.118 R)
• M5: 3,181,797 km (0.114 R)
• M6: 8,843,777 km (0.088 R)
• M7: 20,831,803 km (0.116 R)
• M8: 28,424,343 km (0.03 R)
• M9: 30,831,523 km (0.097 R)
• M10: 33,262,787 km (0.033 R)
• M11: 36,276,436 km (0.065 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 19,353 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit