🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.46 AU - 0.62 AU

Year: 146 Days

Day: 22.4 Hours

Environment

Temp: 227 °C

Axial Tilt: 13.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,156,292 km

• M1: 296,503 km (0.052 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.51 AU - 0.77 AU

Year: 188 Days

Day: 26.4 Hours

Environment

Temp: 215 °C

Axial Tilt: 26.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.04 AU - 1.08 AU

Year: 401 Days

Day: 25.3 Hours

Environment

Temp: 18 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.23 AU - 1.85 AU

Year: 702 Days

Day: 37.2 Hours

Environment

Temp: -40 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,156,292 km

• M1: 214,972 km (0.028 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.76 AU - 3.44 AU

Year: 2004 Days

Day: 19 Hours

Environment

Temp: -116 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,156,292 km

• M1: 181,612 km (0.038 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.44 AU - 3.88 AU

Year: 2570 Days

Day: 46.4 Hours

Environment

Temp: -110 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.5

Radius: 12.6

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.13 AU - 7.11 AU

Year: 5558 Days

Day: 5.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,156,292 km

• M1: 156,629 km (0.085 R)
• M2: 706,401 km (0.103 R)
• M3: 1,224,010 km (0.07 R)
• M4: 1,786,049 km (0.102 R)
• M5: 2,350,931 km (0.118 R)
• M6: 4,178,568 km (0.09 R)
• M7: 5,693,097 km (0.119 R)
• M8: 6,316,321 km (0.072 R)
• M9: 7,516,545 km (0.109 R)
• M10: 8,235,363 km (0.115 R)
• M11: 9,558,556 km (0.058 R)
• M12: 10,066,740 km (0.114 R)
• M13: 12,883,219 km (0.116 R)
• M14: 13,821,796 km (0.112 R)
• M15: 15,486,521 km (0.095 R)
• M16: 16,137,721 km (0.108 R)
• M17: 17,334,504 km (0.071 R)
• M18: 18,201,274 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.1

Radius: 9.4

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.97 AU - 8.99 AU

Year: 9878 Days

Day: 9.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,156,292 km

• M1: 116,986 km (0.073 R)
• M2: 442,810 km (0.092 R)
• M3: 769,681 km (0.086 R)
• M4: 1,549,684 km (0.112 R)
• M5: 1,879,248 km (0.105 R)
• M6: 2,310,838 km (0.091 R)
• M7: 2,702,934 km (0.086 R)
• M8: 4,043,182 km (0.107 R)
• M9: 5,111,460 km (0.088 R)
• M10: 5,886,377 km (0.071 R)
• M11: 6,583,802 km (0.116 R)
• M12: 8,320,484 km (0.108 R)
• M13: 8,682,960 km (0.096 R)
• M14: 9,391,156 km (0.087 R)
• M15: 10,446,868 km (0.055 R)
• M16: 11,193,212 km (0.111 R)
• M17: 14,734,493 km (0.089 R)
• M18: 17,668,705 km (0.103 R)
• M19: 21,985,651 km (0.072 R)
• M20: 22,417,839 km (0.101 R)
• M21: 29,495,315 km (0.1 R)
• M22: 31,855,969 km (0.112 R)
• M23: 34,688,156 km (0.118 R)
• M24: 38,054,856 km (0.097 R)
• M25: 39,055,367 km (0.079 R)
• M26: 39,817,119 km (0.11 R)
• M27: 44,873,826 km (0.095 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 15,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit