🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.53 AU - 0.85 AU

Year: 204 Days

Day: 39.7 Hours

Environment

Temp: 155 °C

Axial Tilt: 34.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.64 AU - 0.78 AU

Year: 213 Days

Day: 21.2 Hours

Environment

Temp: 126 °C

Axial Tilt: 17.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 52,323,479 km

• M1: 125,213 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.82 AU - 0.94 AU

Year: 294 Days

Day: 30.1 Hours

Environment

Temp: 136 °C

Axial Tilt: 15.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 52,323,479 km

• M1: 106,813 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.28 AU - 1.72 AU

Year: 655 Days

Day: 38.5 Hours

Environment

Temp: -24 °C

Axial Tilt: 5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.59 AU - 2.43 AU

Year: 1016 Days

Day: 19.6 Hours

Environment

Temp: -68 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,323,479 km

• M1: 42,486 km (0.026 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.55 AU - 3.57 AU

Year: 1908 Days

Day: 23.7 Hours

Environment

Temp: -95 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.4

Radius: 14.7

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.02 AU - 9.68 AU

Year: 8601 Days

Day: 7.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,323,479 km

• M1: 182,958 km (0.104 R)
• M2: 649,255 km (0.101 R)
• M3: 1,447,359 km (0.055 R)
• M4: 1,949,111 km (0.088 R)
• M5: 2,627,687 km (0.111 R)
• M6: 3,134,973 km (0.06 R)
• M7: 4,322,630 km (0.055 R)
• M8: 8,523,937 km (0.109 R)
• M9: 9,551,824 km (0.037 R)
• M10: 13,014,716 km (0.071 R)
• M11: 13,561,047 km (0.047 R)
• M12: 14,830,385 km (0.111 R)
• M13: 18,652,910 km (0.113 R)
• M14: 21,204,451 km (0.094 R)
• M15: 23,442,585 km (0.107 R)
• M16: 24,527,169 km (0.077 R)
• M17: 35,136,052 km (0.062 R)
• M18: 35,959,887 km (0.082 R)
• M19: 43,020,757 km (0.12 R)
• M20: 46,451,635 km (0.107 R)
• M21: 47,587,083 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.1

Radius: 8.1

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.79 AU - 11.35 AU

Year: 13129 Days

Day: 7.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,323,479 km

• M1: 161,416 km (0.036 R)
• M2: 896,989 km (0.116 R)
• M3: 2,107,834 km (0.083 R)
• M4: 2,614,073 km (0.094 R)
• M5: 3,218,598 km (0.086 R)
• M6: 4,729,088 km (0.118 R)
• M7: 5,398,239 km (0.093 R)
• M8: 6,858,015 km (0.052 R)
• M9: 7,750,217 km (0.027 R)
• M10: 8,187,342 km (0.072 R)
• M11: 9,311,420 km (0.115 R)
• M12: 10,535,131 km (0.098 R)
• M13: 10,935,904 km (0.051 R)
• M14: 17,112,949 km (0.036 R)
• M15: 20,003,330 km (0.068 R)
• M16: 24,419,758 km (0.118 R)
• M17: 26,240,962 km (0.082 R)
• M18: 28,321,270 km (0.088 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.8

Radius: 12.7

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 11.07 AU - 13.03 AU

Year: 14910 Days

Day: 6.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,323,479 km

• M1: 158,125 km (0.117 R)
• M2: 1,012,778 km (0.093 R)
• M3: 1,637,947 km (0.117 R)
• M4: 2,049,640 km (0.089 R)
• M5: 2,953,062 km (0.058 R)
• M6: 4,422,263 km (0.075 R)
• M7: 5,713,442 km (0.078 R)
• M8: 6,220,279 km (0.066 R)
• M9: 6,836,323 km (0.074 R)
• M10: 7,241,883 km (0.111 R)
• M11: 7,968,181 km (0.082 R)
• M12: 10,283,507 km (0.076 R)
• M13: 12,232,917 km (0.075 R)
• M14: 13,077,995 km (0.096 R)
• M15: 14,884,240 km (0.109 R)
• M16: 15,777,190 km (0.086 R)
• M17: 17,670,052 km (0.114 R)
• M18: 19,547,655 km (0.072 R)
• M19: 20,201,996 km (0.063 R)
• M20: 21,641,277 km (0.109 R)
• M21: 22,877,105 km (0.074 R)
• M22: 31,856,119 km (0.115 R)
• M23: 34,509,087 km (0.07 R)
• M24: 35,224,763 km (0.111 R)
• M25: 38,823,939 km (0.105 R)
• M26: 42,661,423 km (0.083 R)
• M27: 47,474,136 km (0.048 R)
• M28: 51,699,977 km (0.118 R)

Kuiper Belt

Range: 30.8 - 60.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 13,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit