🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.65 AU - 0.87 AU

Year: 231 Days

Day: 37.9 Hours

Environment

Temp: 126 °C

Axial Tilt: 33.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,210,999 km

• M1: 422,764 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.78 AU - 1.1 AU

Year: 317 Days

Day: 39.6 Hours

Environment

Temp: 156 °C

Axial Tilt: 20.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.07 AU - 1.33 AU

Year: 458 Days

Day: 16.2 Hours

Environment

Temp: 24 °C

Axial Tilt: 14.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.27 AU - 1.75 AU

Year: 646 Days

Day: 47.4 Hours

Environment

Temp: -1 °C

Axial Tilt: 28.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 53,210,999 km

• M1: 38,147 km (0.069 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.98 AU - 2.4 AU

Year: 1129 Days

Day: 43.7 Hours

Environment

Temp: -68 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.65 AU - 3.97 AU

Year: 2590 Days

Day: 41.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 48.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.28 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.9

Radius: 9.3

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.16 AU - 7.32 AU

Year: 6094 Days

Day: 6.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,210,999 km

• M1: 115,789 km (0.103 R)
• M2: 428,299 km (0.092 R)
• M3: 801,845 km (0.112 R)
• M4: 1,746,555 km (0.102 R)
• M5: 2,222,725 km (0.053 R)
• M6: 3,118,368 km (0.117 R)
• M7: 3,546,666 km (0.12 R)
• M8: 4,288,223 km (0.118 R)
• M9: 4,874,647 km (0.074 R)
• M10: 5,423,222 km (0.114 R)
• M11: 6,372,570 km (0.116 R)
• M12: 7,318,477 km (0.045 R)
• M13: 7,653,726 km (0.095 R)
• M14: 8,639,277 km (0.102 R)
• M15: 11,101,808 km (0.112 R)
• M16: 12,414,828 km (0.065 R)
• M17: 14,515,781 km (0.057 R)
• M18: 15,406,935 km (0.028 R)
• M19: 15,773,450 km (0.117 R)
• M20: 16,397,123 km (0.1 R)
• M21: 17,037,253 km (0.046 R)
• M22: 18,779,470 km (0.089 R)
• M23: 19,693,812 km (0.109 R)
• M24: 21,157,926 km (0.085 R)
• M25: 22,147,666 km (0.042 R)
• M26: 23,649,329 km (0.114 R)
• M27: 24,965,641 km (0.093 R)
• M28: 29,957,722 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146

Radius: 14.1

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 8.17 AU - 13.59 AU

Year: 12498 Days

Day: 14.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,210,999 km

• M1: 186,249 km (0.072 R)
• M2: 1,006,644 km (0.109 R)
• M3: 2,090,630 km (0.1 R)
• M4: 2,952,164 km (0.109 R)
• M5: 5,321,196 km (0.067 R)
• M6: 7,750,067 km (0.1 R)
• M7: 9,893,356 km (0.097 R)
• M8: 11,031,197 km (0.092 R)
• M9: 14,911,766 km (0.113 R)
• M10: 30,803,997 km (0.044 R)
• M11: 31,372,917 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.3

Radius: 8.2

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 10.81 AU - 11.95 AU

Year: 13369 Days

Day: 7.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 53,210,999 km

• M1: 102,175 km (0.096 R)
• M2: 477,816 km (0.094 R)
• M3: 836,102 km (0.074 R)
• M4: 1,230,742 km (0.067 R)
• M5: 1,875,060 km (0.114 R)
• M6: 2,925,087 km (0.114 R)
• M7: 4,295,104 km (0.063 R)
• M8: 4,782,046 km (0.09 R)
• M9: 6,012,189 km (0.078 R)
• M10: 7,963,992 km (0.065 R)
• M11: 9,034,664 km (0.07 R)
• M12: 10,357,409 km (0.108 R)
• M13: 14,957,992 km (0.095 R)
• M14: 15,301,319 km (0.059 R)
• M15: 16,363,015 km (0.083 R)
• M16: 17,548,728 km (0.116 R)
• M17: 17,930,801 km (0.117 R)
• M18: 19,924,791 km (0.103 R)
• M19: 20,592,895 km (0.083 R)
• M20: 21,362,277 km (0.08 R)
• M21: 22,777,323 km (0.096 R)
• M22: 23,600,111 km (0.108 R)
• M23: 28,958,109 km (0.116 R)
• M24: 30,578,852 km (0.079 R)
• M25: 32,717,503 km (0.051 R)
• M26: 36,665,690 km (0.119 R)
• M27: 39,991,550 km (0.082 R)
• M28: 45,636,326 km (0.103 R)
• M29: 46,359,034 km (0.115 R)
• M30: 50,394,436 km (0.12 R)
• M31: 51,011,528 km (0.113 R)
• M32: 52,260,819 km (0.116 R)

Kuiper Belt

Range: 31.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 18,395 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit