🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.71 AU - 0.79 AU

Year: 238 Days

Day: 15.5 Hours

Environment

Temp: 183 °C

Axial Tilt: 39.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,449,688 km

• M1: 25,581 km (0.072 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1 AU - 1.32 AU

Year: 459 Days

Day: 36 Hours

Environment

Temp: 0 °C

Axial Tilt: 2.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.27 AU - 1.81 AU

Year: 702 Days

Day: 14 Hours

Environment

Temp: -39 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.46 AU - 1.76 AU

Year: 750 Days

Day: 40.2 Hours

Environment

Temp: -46 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,449,688 km

• M1: 667,506 km (0.086 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.07 AU - 2.95 AU

Year: 1460 Days

Day: 13.2 Hours

Environment

Temp: -82 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 68,449,688 km

• M1: 85,869 km (0.087 R)
• M2: 1,357,002 km (0.098 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.33 AU - 4.93 AU

Year: 3657 Days

Day: 45.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.8

Radius: 12.5

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.46 AU - 6.68 AU

Year: 6182 Days

Day: 14.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,449,688 km

• M1: 156,031 km (0.05 R)
• M2: 1,981,723 km (0.053 R)
• M3: 3,058,080 km (0.052 R)
• M4: 4,135,035 km (0.086 R)
• M5: 4,677,028 km (0.104 R)
• M6: 6,619,855 km (0.084 R)
• M7: 7,363,955 km (0.062 R)
• M8: 8,888,806 km (0.09 R)
• M9: 9,351,213 km (0.09 R)
• M10: 11,830,648 km (0.031 R)
• M11: 12,554,253 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.1

Radius: 14.7

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 10.89 AU - 11.11 AU

Year: 13393 Days

Day: 11.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,449,688 km

• M1: 182,809 km (0.107 R)
• M2: 718,519 km (0.086 R)
• M3: 1,402,330 km (0.064 R)
• M4: 2,026,004 km (0.117 R)
• M5: 3,261,533 km (0.117 R)
• M6: 4,075,196 km (0.116 R)
• M7: 7,660,159 km (0.091 R)
• M8: 9,202,663 km (0.095 R)
• M9: 13,685,213 km (0.052 R)
• M10: 14,506,057 km (0.101 R)
• M11: 19,706,528 km (0.107 R)
• M12: 31,439,339 km (0.084 R)
• M13: 35,985,768 km (0.108 R)
• M14: 37,549,814 km (0.039 R)
• M15: 42,513,770 km (0.091 R)
• M16: 46,055,948 km (0.105 R)
• M17: 49,630,889 km (0.071 R)
• M18: 51,567,732 km (0.089 R)
• M19: 52,886,587 km (0.031 R)
• M20: 54,736,664 km (0.045 R)
• M21: 57,504,225 km (0.112 R)
• M22: 60,727,909 km (0.097 R)
• M23: 61,460,191 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.9

Radius: 7.6

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 16.14 AU - 18.34 AU

Year: 26277 Days

Day: 19 Hours

Environment

Temp: -207 °C

Axial Tilt: 143.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,449,688 km

• M1: 94,546 km (0.091 R)
• M2: 349,012 km (0.12 R)
• M3: 1,282,054 km (0.096 R)
• M4: 2,440,988 km (0.103 R)
• M5: 2,781,174 km (0.063 R)
• M6: 3,075,732 km (0.106 R)
• M7: 3,337,080 km (0.118 R)
• M8: 5,015,418 km (0.09 R)
• M9: 5,799,012 km (0.112 R)
• M10: 7,282,275 km (0.085 R)
• M11: 8,385,110 km (0.103 R)
• M12: 11,906,943 km (0.097 R)
• M13: 13,849,621 km (0.107 R)
• M14: 15,994,556 km (0.061 R)
• M15: 18,953,302 km (0.08 R)
• M16: 19,746,321 km (0.068 R)
• M17: 22,844,044 km (0.079 R)
• M18: 23,440,042 km (0.09 R)
• M19: 26,035,565 km (0.1 R)
• M20: 40,608,940 km (0.104 R)
• M21: 45,730,274 km (0.09 R)
• M22: 51,435,338 km (0.103 R)
• M23: 52,802,812 km (0.12 R)
• M24: 54,019,193 km (0.113 R)
• M25: 61,711,814 km (0.103 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 14,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit