🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.56 AU - 0.78 AU

Year: 236 Days

Day: 45.5 Hours

Environment

Temp: 2 °C

Axial Tilt: 17.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.56 AU - 0.92 AU

Year: 274 Days

Day: 29.2 Hours

Environment

Temp: -17 °C

Axial Tilt: 21.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.37 AU - 2.05 AU

Year: 963 Days

Day: 33.1 Hours

Environment

Temp: -96 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,935,379 km

• M1: 1,158,486 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.59 AU - 2.29 AU

Year: 1163 Days

Day: 14.8 Hours

Environment

Temp: -110 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.23 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.19 AU - 2.83 AU

Year: 1712 Days

Day: 28.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715

Radius: 10.7

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.63 AU - 2.81 AU

Year: 1931 Days

Day: 13.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,935,379 km

• M1: 133,142 km (0.109 R)
• M2: 585,676 km (0.093 R)
• M3: 1,010,085 km (0.083 R)
• M4: 1,387,371 km (0.105 R)
• M5: 1,837,959 km (0.089 R)
• M6: 2,698,297 km (0.112 R)
• M7: 3,935,621 km (0.108 R)
• M8: 4,416,129 km (0.075 R)
• M9: 5,022,150 km (0.091 R)
• M10: 5,611,865 km (0.04 R)
• M11: 6,297,921 km (0.095 R)
• M12: 6,767,957 km (0.096 R)
• M13: 8,951,189 km (0.067 R)
• M14: 9,580,098 km (0.117 R)
• M15: 12,035,149 km (0.113 R)
• M16: 12,883,967 km (0.076 R)
• M17: 14,700,983 km (0.071 R)
• M18: 15,065,553 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.7

Radius: 14.8

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.11 AU - 9.87 AU

Year: 10648 Days

Day: 9.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 84.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,935,379 km

• M1: 184,005 km (0.08 R)
• M2: 963,111 km (0.052 R)
• M3: 2,104,094 km (0.12 R)
• M4: 3,678,312 km (0.056 R)
• M5: 4,963,209 km (0.116 R)
• M6: 6,303,755 km (0.083 R)
• M7: 6,800,719 km (0.072 R)
• M8: 7,917,467 km (0.107 R)
• M9: 9,842,792 km (0.057 R)
• M10: 12,180,259 km (0.092 R)
• M11: 14,339,704 km (0.107 R)
• M12: 19,326,250 km (0.114 R)
• M13: 20,052,099 km (0.07 R)
• M14: 21,387,409 km (0.083 R)
• M15: 23,138,901 km (0.075 R)
• M16: 31,993,898 km (0.071 R)
• M17: 33,931,639 km (0.069 R)
• M18: 35,107,329 km (0.117 R)
• M19: 41,264,628 km (0.116 R)
• M20: 42,333,953 km (0.116 R)
• M21: 43,972,349 km (0.107 R)
• M22: 44,807,255 km (0.055 R)
• M23: 45,369,743 km (0.112 R)
• M24: 46,796,608 km (0.085 R)
• M25: 47,521,110 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.3

Radius: 3.5

Gravity: 76.51 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 10.8 AU - 16.72 AU

Year: 21971 Days

Day: 20.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 89,935,379 km

• M1: 43,533 km (0.102 R)
• M2: 176,675 km (0.087 R)
• M3: 311,912 km (0.063 R)
• M4: 650,452 km (0.096 R)
• M5: 818,001 km (0.04 R)
• M6: 1,225,057 km (0.07 R)
• M7: 1,448,107 km (0.083 R)
• M8: 1,587,233 km (0.091 R)
• M9: 2,190,861 km (0.025 R)
• M10: 2,374,866 km (0.116 R)
• M11: 3,453,467 km (0.052 R)
• M12: 3,997,554 km (0.099 R)
• M13: 4,133,539 km (0.118 R)
• M14: 5,710,749 km (0.113 R)
• M15: 6,608,785 km (0.055 R)
• M16: 6,847,095 km (0.119 R)
• M17: 7,391,930 km (0.083 R)
• M18: 9,922,827 km (0.107 R)
• M19: 12,037,991 km (0.074 R)
• M20: 12,756,061 km (0.033 R)
• M21: 13,200,367 km (0.099 R)
• M22: 13,426,409 km (0.057 R)
• M23: 14,515,182 km (0.087 R)
• M24: 18,505,406 km (0.119 R)
• M25: 23,387,982 km (0.08 R)
• M26: 24,052,794 km (0.07 R)
• M27: 25,304,181 km (0.068 R)
• M28: 31,810,641 km (0.105 R)
• M29: 36,617,669 km (0.105 R)
• M30: 37,815,200 km (0.1 R)
• M31: 37,966,593 km (0.11 R)
• M32: 38,884,077 km (0.094 R)
• M33: 39,659,892 km (0.033 R)
• M34: 42,211,582 km (0.089 R)
• M35: 44,532,294 km (0.1 R)
• M36: 47,638,993 km (0.104 R)
• M37: 52,189,162 km (0.098 R)
• M38: 56,425,624 km (0.104 R)
• M39: 56,821,759 km (0.096 R)
• M40: 58,222,893 km (0.086 R)
• M41: 62,988,183 km (0.087 R)
• M42: 65,138,802 km (0.085 R)
• M43: 66,894,034 km (0.027 R)
• M44: 77,846,992 km (0.093 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 17,555 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit