🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.39 AU - 0.61 AU

Year: 125 Days

Day: 41.6 Hours

Environment

Temp: 249 °C

Axial Tilt: 13.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.5 AU - 0.54 AU

Year: 132 Days

Day: 16.8 Hours

Environment

Temp: 189 °C

Axial Tilt: 21.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 5.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.8

Radius: 9.3

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 10 AU - 10.86 AU

Year: 11894 Days

Day: 5.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,199,850 km

• M1: 116,088 km (0.113 R)
• M2: 435,031 km (0.117 R)
• M3: 1,113,756 km (0.105 R)
• M4: 2,258,030 km (0.082 R)
• M5: 2,776,686 km (0.06 R)
• M6: 3,133,926 km (0.071 R)
• M7: 3,446,885 km (0.09 R)
• M8: 5,893,408 km (0.107 R)
• M9: 6,563,756 km (0.042 R)
• M10: 7,242,631 km (0.118 R)
• M11: 8,279,943 km (0.081 R)
• M12: 8,834,203 km (0.09 R)
• M13: 9,462,514 km (0.079 R)
• M14: 10,754,142 km (0.105 R)
• M15: 12,574,299 km (0.085 R)
• M16: 13,183,013 km (0.114 R)
• M17: 13,747,446 km (0.069 R)
• M18: 16,309,908 km (0.083 R)
• M19: 17,778,959 km (0.047 R)
• M20: 18,159,686 km (0.078 R)
• M21: 19,174,857 km (0.108 R)
• M22: 22,095,905 km (0.096 R)
• M23: 31,940,342 km (0.028 R)
• M24: 33,533,260 km (0.107 R)
• M25: 36,753,504 km (0.115 R)
• M26: 41,094,685 km (0.095 R)
• M27: 44,636,414 km (0.116 R)
• M28: 47,349,820 km (0.118 R)
• M29: 50,931,941 km (0.065 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.4

Radius: 3

Gravity: 57.93 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 12.98 AU - 18.1 AU

Year: 21631 Days

Day: 15.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 73,199,850 km

• M1: 37,250 km (0.091 R)
• M2: 142,866 km (0.086 R)
• M3: 289,173 km (0.072 R)
• M4: 485,744 km (0.112 R)
• M5: 588,219 km (0.117 R)
• M6: 686,205 km (0.115 R)
• M7: 848,669 km (0.088 R)
• M8: 3,255,549 km (0.103 R)
• M9: 3,653,778 km (0.067 R)
• M10: 4,180,064 km (0.089 R)
• M11: 4,277,901 km (0.108 R)
• M12: 4,512,171 km (0.077 R)
• M13: 5,006,293 km (0.05 R)
• M14: 6,974,552 km (0.06 R)
• M15: 7,251,906 km (0.03 R)
• M16: 8,230,127 km (0.084 R)
• M17: 8,332,452 km (0.115 R)
• M18: 9,182,616 km (0.111 R)
• M19: 12,077,485 km (0.088 R)
• M20: 13,444,361 km (0.11 R)
• M21: 14,386,229 km (0.069 R)
• M22: 14,609,578 km (0.104 R)
• M23: 15,840,470 km (0.04 R)
• M24: 17,389,705 km (0.03 R)
• M25: 18,770,494 km (0.081 R)
• M26: 19,669,427 km (0.048 R)
• M27: 20,596,784 km (0.034 R)
• M28: 23,656,360 km (0.044 R)
• M29: 24,281,530 km (0.071 R)
• M30: 28,851,146 km (0.088 R)
• M31: 29,206,291 km (0.119 R)
• M32: 29,684,556 km (0.059 R)
• M33: 30,656,493 km (0.042 R)
• M34: 36,383,997 km (0.051 R)
• M35: 36,937,509 km (0.085 R)
• M36: 38,345,674 km (0.081 R)
• M37: 49,556,389 km (0.034 R)
• M38: 51,614,706 km (0.04 R)
• M39: 51,788,688 km (0.045 R)
• M40: 67,848,768 km (0.075 R)
• M41: 69,319,764 km (0.101 R)

Kuiper Belt

Range: 31.1 - 49.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 17,307 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit