🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.78 AU - 1.28 AU

Year: 369 Days

Day: 19.7 Hours

Environment

Temp: 128 °C

Axial Tilt: 38.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.94 AU - 3.68 AU

Year: 2126 Days

Day: 47.1 Hours

Environment

Temp: -95 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.5

Radius: 10

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.37 AU - 8.65 AU

Year: 8005 Days

Day: 14.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,835,030 km

• M1: 126,560 km (0.095 R)
• M2: 492,027 km (0.039 R)
• M3: 964,457 km (0.114 R)
• M4: 3,324,364 km (0.063 R)
• M5: 4,035,403 km (0.096 R)
• M6: 7,033,643 km (0.052 R)
• M7: 8,098,182 km (0.073 R)
• M8: 10,174,002 km (0.093 R)
• M9: 15,834,935 km (0.107 R)
• M10: 16,785,180 km (0.117 R)
• M11: 21,773,072 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.3

Radius: 10

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 7.11 AU - 9.21 AU

Year: 8231 Days

Day: 11.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,835,030 km

• M1: 124,316 km (0.076 R)
• M2: 718,967 km (0.101 R)
• M3: 1,130,511 km (0.049 R)
• M4: 2,267,006 km (0.071 R)
• M5: 3,325,411 km (0.057 R)
• M6: 4,173,781 km (0.036 R)
• M7: 4,906,212 km (0.087 R)
• M8: 5,290,379 km (0.108 R)
• M9: 5,666,917 km (0.058 R)
• M10: 7,689,630 km (0.109 R)
• M11: 10,949,667 km (0.088 R)
• M12: 11,385,445 km (0.047 R)
• M13: 13,197,075 km (0.076 R)
• M14: 13,591,266 km (0.112 R)
• M15: 14,094,962 km (0.115 R)
• M16: 15,735,901 km (0.05 R)
• M17: 17,916,589 km (0.076 R)
• M18: 20,032,202 km (0.101 R)
• M19: 24,679,011 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325

Radius: 14.7

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.21 AU - 10.59 AU

Year: 10999 Days

Day: 12.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,835,030 km

• M1: 182,809 km (0.053 R)
• M2: 817,403 km (0.087 R)
• M3: 1,398,740 km (0.095 R)
• M4: 2,079,410 km (0.109 R)
• M5: 3,226,676 km (0.059 R)
• M6: 3,917,968 km (0.11 R)
• M7: 5,169,205 km (0.104 R)
• M8: 6,601,604 km (0.108 R)
• M9: 7,526,119 km (0.052 R)
• M10: 12,705,796 km (0.108 R)
• M11: 13,725,305 km (0.09 R)
• M12: 18,711,851 km (0.111 R)
• M13: 20,181,800 km (0.068 R)
• M14: 20,790,813 km (0.099 R)
• M15: 21,412,093 km (0.097 R)
• M16: 22,448,208 km (0.108 R)
• M17: 23,768,858 km (0.072 R)
• M18: 24,620,219 km (0.075 R)
• M19: 26,564,991 km (0.105 R)
• M20: 30,260,956 km (0.06 R)
• M21: 34,179,673 km (0.087 R)
• M22: 36,148,979 km (0.07 R)

Kuiper Belt

Range: 31.1 - 48.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 13,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit