🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.56 AU - 0.86 AU

Year: 228 Days

Day: 28.4 Hours

Environment

Temp: 174 °C

Axial Tilt: 24.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.81 AU - 1.15 AU

Year: 369 Days

Day: 37.5 Hours

Environment

Temp: 22 °C

Axial Tilt: 21.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.91 AU - 1.05 AU

Year: 369 Days

Day: 30.6 Hours

Environment

Temp: 4 °C

Axial Tilt: 46.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 79,879,208 km

• M1: 197,768 km (0.112 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.96 AU - 2.14 AU

Year: 1118 Days

Day: 34.4 Hours

Environment

Temp: -79 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.24 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.3

Radius: 14.7

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.86 AU - 8 AU

Year: 6209 Days

Day: 5.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,879,208 km

• M1: 376,987 km (0.113 R)
• M2: 1,108,071 km (0.061 R)
• M3: 1,648,419 km (0.064 R)
• M4: 2,110,228 km (0.052 R)
• M5: 2,832,037 km (0.115 R)
• M6: 3,599,774 km (0.084 R)
• M7: 4,328,315 km (0.074 R)
• M8: 5,178,031 km (0.106 R)
• M9: 7,521,332 km (0.06 R)
• M10: 8,237,457 km (0.113 R)
• M11: 9,996,279 km (0.065 R)
• M12: 10,782,117 km (0.073 R)
• M13: 15,140,950 km (0.103 R)
• M14: 19,156,007 km (0.112 R)
• M15: 21,440,367 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.2

Radius: 11.8

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.58 AU - 10.46 AU

Year: 10316 Days

Day: 11 Hours

Environment

Temp: -180 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,879,208 km

• M1: 158,873 km (0.12 R)
• M2: 677,230 km (0.073 R)
• M3: 1,095,804 km (0.047 R)
• M4: 1,661,135 km (0.092 R)
• M5: 2,828,597 km (0.052 R)
• M6: 3,614,285 km (0.077 R)
• M7: 4,073,101 km (0.043 R)
• M8: 4,755,866 km (0.1 R)
• M9: 5,867,228 km (0.026 R)
• M10: 6,465,022 km (0.117 R)
• M11: 8,645,411 km (0.119 R)
• M12: 9,420,477 km (0.108 R)
• M13: 12,806,475 km (0.09 R)
• M14: 13,303,589 km (0.114 R)
• M15: 13,684,914 km (0.08 R)
• M16: 15,702,540 km (0.1 R)
• M17: 18,142,781 km (0.066 R)
• M18: 21,340,735 km (0.116 R)
• M19: 24,043,220 km (0.116 R)
• M20: 25,088,909 km (0.104 R)
• M21: 28,303,618 km (0.095 R)
• M22: 35,416,697 km (0.095 R)
• M23: 38,029,724 km (0.098 R)
• M24: 38,928,657 km (0.098 R)
• M25: 46,055,051 km (0.114 R)
• M26: 46,929,450 km (0.117 R)
• M27: 50,847,119 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.6

Radius: 12.3

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 11.12 AU - 11.18 AU

Year: 14178 Days

Day: 12.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,879,208 km

• M1: 153,039 km (0.029 R)
• M2: 739,761 km (0.063 R)
• M3: 3,336,182 km (0.114 R)
• M4: 9,425,713 km (0.059 R)
• M5: 11,947,634 km (0.074 R)
• M6: 13,364,176 km (0.07 R)
• M7: 14,182,626 km (0.047 R)
• M8: 15,034,137 km (0.077 R)
• M9: 15,694,761 km (0.11 R)
• M10: 20,605,760 km (0.057 R)
• M11: 29,076,590 km (0.095 R)
• M12: 38,242,601 km (0.115 R)
• M13: 51,442,369 km (0.11 R)
• M14: 54,471,876 km (0.062 R)
• M15: 55,681,375 km (0.064 R)
• M16: 57,440,346 km (0.069 R)
• M17: 60,147,918 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.9

Radius: 5.8

Gravity: 20.63 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 11.99 AU - 17.33 AU

Year: 21375 Days

Day: 22.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,879,208 km

• M1: 73,752 km (0.077 R)
• M2: 585,676 km (0.071 R)
• M3: 993,330 km (0.083 R)
• M4: 1,749,996 km (0.105 R)
• M5: 3,045,663 km (0.051 R)
• M6: 3,523,329 km (0.109 R)
• M7: 5,817,562 km (0.117 R)
• M8: 6,285,504 km (0.101 R)
• M9: 7,589,698 km (0.08 R)
• M10: 11,819,578 km (0.084 R)
• M11: 12,991,229 km (0.094 R)
• M12: 13,277,709 km (0.093 R)
• M13: 28,999,547 km (0.08 R)
• M14: 29,243,691 km (0.078 R)
• M15: 31,890,227 km (0.105 R)
• M16: 32,939,207 km (0.094 R)
• M17: 36,648,786 km (0.066 R)
• M18: 46,701,613 km (0.109 R)
• M19: 63,440,717 km (0.099 R)
• M20: 64,058,706 km (0.117 R)
• M21: 72,012,525 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: 195 - 16,782 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit