🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.44 AU - 0.62 AU

Year: 147 Days

Day: 42.3 Hours

Environment

Temp: 151 °C

Axial Tilt: 31.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 103,882,783 km

• M1: 56,847 km (0.05 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.95 AU - 1.45 AU

Year: 501 Days

Day: 12.2 Hours

Environment

Temp: -28 °C

Axial Tilt: 155.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.73 AU - 1.97 AU

Year: 958 Days

Day: 17.3 Hours

Environment

Temp: -81 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 103,882,783 km

• M1: 184,903 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.8 AU - 2.78 AU

Year: 1320 Days

Day: 34.5 Hours

Environment

Temp: -86 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.4

Radius: 10.2

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.22 AU - 5.52 AU

Year: 4739 Days

Day: 14.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 103,882,783 km

• M1: 127,158 km (0.067 R)
• M2: 633,846 km (0.088 R)
• M3: 1,223,112 km (0.059 R)
• M4: 1,745,209 km (0.104 R)
• M5: 2,243,968 km (0.049 R)
• M6: 5,250,736 km (0.054 R)
• M7: 6,985,473 km (0.103 R)
• M8: 8,114,189 km (0.062 R)
• M9: 8,757,011 km (0.059 R)
• M10: 9,396,841 km (0.095 R)
• M11: 10,770,000 km (0.114 R)
• M12: 12,185,495 km (0.104 R)
• M13: 13,627,468 km (0.088 R)
• M14: 13,957,631 km (0.119 R)
• M15: 14,535,827 km (0.087 R)
• M16: 15,740,090 km (0.097 R)
• M17: 16,419,563 km (0.102 R)
• M18: 17,282,593 km (0.074 R)
• M19: 17,669,603 km (0.092 R)
• M20: 18,518,272 km (0.115 R)
• M21: 20,727,832 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.1

Radius: 14.6

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.39 AU - 5.75 AU

Year: 5006 Days

Day: 14.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 103,882,783 km

• M1: 181,612 km (0.052 R)
• M2: 701,913 km (0.112 R)
• M3: 1,475,185 km (0.092 R)
• M4: 2,136,856 km (0.092 R)
• M5: 2,815,133 km (0.078 R)
• M6: 4,022,687 km (0.077 R)
• M7: 4,633,046 km (0.09 R)
• M8: 5,664,823 km (0.106 R)
• M9: 7,374,128 km (0.048 R)
• M10: 7,966,386 km (0.068 R)
• M11: 10,530,344 km (0.052 R)
• M12: 13,347,421 km (0.09 R)
• M13: 14,603,894 km (0.111 R)
• M14: 16,110,045 km (0.101 R)
• M15: 17,595,103 km (0.109 R)
• M16: 19,561,118 km (0.073 R)
• M17: 20,360,121 km (0.106 R)
• M18: 22,166,066 km (0.066 R)
• M19: 24,840,128 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.5

Radius: 10.9

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 10.95 AU - 11.59 AU

Year: 14407 Days

Day: 12.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 103,882,783 km

• M1: 139,126 km (0.08 R)
• M2: 981,512 km (0.108 R)
• M3: 3,653,180 km (0.099 R)
• M4: 4,507,683 km (0.115 R)
• M5: 6,977,843 km (0.108 R)
• M6: 8,588,264 km (0.117 R)
• M7: 10,433,255 km (0.103 R)
• M8: 11,606,700 km (0.103 R)
• M9: 14,093,466 km (0.031 R)
• M10: 14,581,005 km (0.075 R)
• M11: 15,206,175 km (0.075 R)
• M12: 16,045,718 km (0.108 R)
• M13: 16,779,944 km (0.089 R)
• M14: 18,387,373 km (0.094 R)
• M15: 23,312,883 km (0.105 R)
• M16: 31,261,467 km (0.117 R)
• M17: 35,671,163 km (0.047 R)
• M18: 36,235,746 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.5

Radius: 3.8

Gravity: 58.55 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 14.67 AU - 21.03 AU

Year: 28718 Days

Day: 18.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 103,882,783 km

• M1: 62,682 km (0.12 R)
• M2: 441,463 km (0.109 R)
• M3: 782,247 km (0.115 R)
• M4: 915,838 km (0.111 R)
• M5: 1,245,851 km (0.117 R)
• M6: 1,482,664 km (0.07 R)
• M7: 1,631,066 km (0.089 R)
• M8: 2,068,490 km (0.083 R)
• M9: 3,261,982 km (0.086 R)
• M10: 3,644,803 km (0.04 R)
• M11: 6,593,526 km (0.111 R)
• M12: 9,383,676 km (0.115 R)
• M13: 12,871,550 km (0.03 R)
• M14: 17,894,448 km (0.093 R)
• M15: 24,674,673 km (0.117 R)
• M16: 24,794,201 km (0.115 R)
• M17: 32,552,646 km (0.063 R)
• M18: 37,054,345 km (0.09 R)
• M19: 40,441,092 km (0.091 R)
• M20: 51,827,734 km (0.041 R)
• M21: 52,615,217 km (0.108 R)
• M22: 67,952,738 km (0.064 R)
• M23: 77,523,412 km (0.11 R)
• M24: 100,189,434 km (0.082 R)
• M25: 103,882,856 km (0.04 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: 246 - 13,965 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit