🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.5 AU - 0.78 AU

Year: 190 Days

Day: 27.4 Hours

Environment

Temp: 140 °C

Axial Tilt: 23.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.91 AU - 0.93 AU

Year: 327 Days

Day: 35.5 Hours

Environment

Temp: 23 °C

Axial Tilt: 4.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.23 AU - 1.59 AU

Year: 621 Days

Day: 15.4 Hours

Environment

Temp: -34 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2 AU - 2.42 AU

Year: 1218 Days

Day: 23.5 Hours

Environment

Temp: -87 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,798,495 km

• M1: 1,337,704 km (0.116 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.71 AU - 3.59 AU

Year: 2073 Days

Day: 15.9 Hours

Environment

Temp: -106 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,798,495 km

• M1: 87,814 km (0.06 R)

Asteroid Belt

Center: 5.05 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835

Radius: 9.5

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.62 AU - 7.26 AU

Year: 6780 Days

Day: 14.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,798,495 km

• M1: 120,725 km (0.04 R)
• M2: 483,052 km (0.105 R)
• M3: 1,778,569 km (0.073 R)
• M4: 2,716,099 km (0.093 R)
• M5: 3,016,342 km (0.105 R)
• M6: 3,406,194 km (0.05 R)
• M7: 4,234,966 km (0.115 R)
• M8: 4,753,472 km (0.092 R)
• M9: 5,313,866 km (0.071 R)
• M10: 6,853,677 km (0.106 R)
• M11: 8,586,020 km (0.092 R)
• M12: 11,038,528 km (0.088 R)
• M13: 11,809,705 km (0.101 R)
• M14: 12,343,470 km (0.098 R)
• M15: 12,893,242 km (0.114 R)
• M16: 14,339,255 km (0.11 R)
• M17: 15,070,489 km (0.094 R)
• M18: 15,762,380 km (0.096 R)
• M19: 20,518,694 km (0.102 R)
• M20: 21,525,638 km (0.078 R)
• M21: 24,485,731 km (0.109 R)
• M22: 25,353,847 km (0.03 R)
• M23: 29,032,459 km (0.1 R)
• M24: 31,605,692 km (0.076 R)
• M25: 32,220,389 km (0.104 R)
• M26: 34,327,027 km (0.116 R)
• M27: 36,077,322 km (0.119 R)
• M28: 39,046,989 km (0.029 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.9

Radius: 14.8

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.22 AU - 9.8 AU

Year: 8407 Days

Day: 5.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,798,495 km

• M1: 184,155 km (0.058 R)
• M2: 743,651 km (0.07 R)
• M3: 1,701,526 km (0.065 R)
• M4: 3,346,355 km (0.08 R)
• M5: 3,849,452 km (0.098 R)
• M6: 4,352,999 km (0.048 R)
• M7: 4,955,130 km (0.076 R)
• M8: 5,553,372 km (0.088 R)
• M9: 6,041,211 km (0.065 R)
• M10: 6,590,983 km (0.105 R)
• M11: 7,351,987 km (0.073 R)
• M12: 8,055,995 km (0.079 R)
• M13: 10,125,382 km (0.044 R)
• M14: 10,857,065 km (0.116 R)
• M15: 12,477,510 km (0.105 R)
• M16: 14,594,619 km (0.055 R)
• M17: 17,974,184 km (0.116 R)
• M18: 19,048,147 km (0.119 R)
• M19: 21,471,633 km (0.105 R)
• M20: 22,222,016 km (0.037 R)
• M21: 23,854,876 km (0.037 R)
• M22: 24,416,467 km (0.031 R)
• M23: 32,251,805 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.6

Radius: 5.8

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 15.75 AU - 20.33 AU

Year: 28416 Days

Day: 20.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 55.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,798,495 km

• M1: 86,617 km (0.112 R)
• M2: 461,210 km (0.1 R)
• M3: 744,549 km (0.08 R)
• M4: 1,204,712 km (0.1 R)
• M5: 1,521,261 km (0.096 R)
• M6: 2,383,992 km (0.054 R)
• M7: 3,969,729 km (0.116 R)
• M8: 5,414,396 km (0.1 R)
• M9: 5,912,557 km (0.075 R)
• M10: 7,268,512 km (0.071 R)
• M11: 11,356,423 km (0.104 R)
• M12: 13,226,397 km (0.103 R)
• M13: 14,269,842 km (0.09 R)
• M14: 15,974,958 km (0.065 R)
• M15: 16,206,835 km (0.081 R)
• M16: 18,060,652 km (0.092 R)
• M17: 18,737,283 km (0.081 R)
• M18: 20,593,643 km (0.077 R)
• M19: 31,252,641 km (0.12 R)
• M20: 37,540,090 km (0.093 R)
• M21: 45,080,870 km (0.117 R)
• M22: 53,398,362 km (0.059 R)
• M23: 57,643,800 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 15,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit