🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.54 AU - 0.88 AU

Year: 227 Days

Day: 16.3 Hours

Environment

Temp: 182 °C

Axial Tilt: 24.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.9 AU - 0.92 AU

Year: 329 Days

Day: 17 Hours

Environment

Temp: 34 °C

Axial Tilt: 14.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.92 AU - 0.98 AU

Year: 351 Days

Day: 45.3 Hours

Environment

Temp: 19 °C

Axial Tilt: 11.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 55,302,778 km

• M1: 87,216 km (0.096 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.9 AU - 1.32 AU

Year: 443 Days

Day: 33.3 Hours

Environment

Temp: 3 °C

Axial Tilt: 1.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.61 AU - 2.47 AU

Year: 1104 Days

Day: 43.8 Hours

Environment

Temp: -86 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.82 AU - 2.68 AU

Year: 1278 Days

Day: 18.2 Hours

Environment

Temp: -85 °C

Axial Tilt: 42 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.9

Radius: 8.2

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.21 AU - 5.69 AU

Year: 4819 Days

Day: 14 Hours

Environment

Temp: -145 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,302,778 km

• M1: 102,026 km (0.116 R)
• M2: 463,753 km (0.027 R)
• M3: 746,493 km (0.094 R)
• M4: 1,121,086 km (0.086 R)
• M5: 1,527,993 km (0.111 R)
• M6: 2,099,307 km (0.042 R)
• M7: 3,067,953 km (0.083 R)
• M8: 3,521,683 km (0.089 R)
• M9: 4,563,034 km (0.088 R)
• M10: 5,469,597 km (0.108 R)
• M11: 5,965,664 km (0.066 R)
• M12: 6,253,939 km (0.075 R)
• M13: 7,568,156 km (0.088 R)
• M14: 8,577,194 km (0.069 R)
• M15: 9,516,669 km (0.071 R)
• M16: 9,871,066 km (0.078 R)
• M17: 12,793,610 km (0.105 R)
• M18: 15,158,303 km (0.088 R)
• M19: 17,213,778 km (0.069 R)
• M20: 19,511,302 km (0.098 R)
• M21: 20,472,020 km (0.085 R)
• M22: 21,733,728 km (0.047 R)
• M23: 22,835,666 km (0.1 R)
• M24: 23,543,114 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.5

Radius: 13.5

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.59 AU - 10.77 AU

Year: 12302 Days

Day: 11.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,302,778 km

• M1: 167,998 km (0.105 R)
• M2: 630,256 km (0.078 R)
• M3: 1,158,935 km (0.111 R)
• M4: 2,016,729 km (0.088 R)
• M5: 2,788,654 km (0.062 R)
• M6: 4,648,006 km (0.107 R)
• M7: 6,940,892 km (0.12 R)
• M8: 7,373,829 km (0.11 R)
• M9: 7,824,866 km (0.084 R)
• M10: 9,118,738 km (0.032 R)
• M11: 11,320,819 km (0.12 R)
• M12: 12,492,918 km (0.096 R)
• M13: 15,018,429 km (0.067 R)
• M14: 15,500,583 km (0.064 R)
• M15: 16,623,615 km (0.103 R)
• M16: 18,961,680 km (0.087 R)
• M17: 20,245,828 km (0.03 R)
• M18: 21,663,417 km (0.101 R)
• M19: 23,953,461 km (0.088 R)
• M20: 27,281,715 km (0.039 R)
• M21: 30,906,920 km (0.056 R)
• M22: 31,885,739 km (0.069 R)
• M23: 32,683,694 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.3

Radius: 5.2

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 12.29 AU - 17.72 AU

Year: 22003 Days

Day: 19.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,302,778 km

• M1: 134,189 km (0.109 R)
• M2: 1,188,555 km (0.12 R)
• M3: 1,571,077 km (0.081 R)
• M4: 2,013,887 km (0.068 R)
• M5: 2,216,592 km (0.105 R)
• M6: 3,927,692 km (0.103 R)
• M7: 4,899,629 km (0.037 R)
• M8: 5,799,610 km (0.095 R)
• M9: 6,444,676 km (0.071 R)
• M10: 9,105,274 km (0.112 R)
• M11: 13,680,426 km (0.098 R)
• M12: 16,235,857 km (0.054 R)
• M13: 19,585,503 km (0.041 R)
• M14: 34,954,590 km (0.087 R)
• M15: 49,703,444 km (0.025 R)
• M16: 53,987,628 km (0.065 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 13,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit