🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.64 AU - 0.78 AU

Year: 208 Days

Day: 21 Hours

Environment

Temp: 221 °C

Axial Tilt: 26.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.24 AU - 5.98 AU

Year: 4627 Days

Day: 19.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.05 AU - 6.27 AU

Year: 4689 Days

Day: 25.3 Hours

Environment

Temp: -129 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.2

Radius: 14.7

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.48 AU - 8.88 AU

Year: 6700 Days

Day: 10.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 116,623,840 km

• M1: 200,162 km (0.057 R)
• M2: 883,226 km (0.07 R)
• M3: 1,441,076 km (0.061 R)
• M4: 1,959,732 km (0.094 R)
• M5: 3,115,824 km (0.117 R)
• M6: 5,474,684 km (0.069 R)
• M7: 7,745,280 km (0.1 R)
• M8: 10,081,999 km (0.099 R)
• M9: 11,905,298 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.5

Radius: 9.5

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 11.93 AU - 12.59 AU

Year: 14950 Days

Day: 12.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 116,623,840 km

• M1: 126,261 km (0.088 R)
• M2: 755,918 km (0.109 R)
• M3: 1,094,308 km (0.094 R)
• M4: 1,594,414 km (0.09 R)
• M5: 2,299,469 km (0.113 R)
• M6: 2,937,504 km (0.1 R)
• M7: 3,608,600 km (0.112 R)
• M8: 3,938,164 km (0.1 R)
• M9: 4,722,206 km (0.049 R)
• M10: 11,050,346 km (0.091 R)
• M11: 15,051,790 km (0.114 R)
• M12: 17,336,149 km (0.074 R)
• M13: 19,842,362 km (0.086 R)
• M14: 21,403,416 km (0.114 R)
• M15: 26,473,438 km (0.083 R)
• M16: 27,829,243 km (0.062 R)
• M17: 35,184,671 km (0.111 R)
• M18: 37,078,580 km (0.115 R)
• M19: 43,167,064 km (0.056 R)
• M20: 49,889,992 km (0.057 R)
• M21: 50,361,525 km (0.1 R)
• M22: 51,313,416 km (0.098 R)
• M23: 52,277,275 km (0.067 R)
• M24: 54,075,741 km (0.102 R)
• M25: 55,746,151 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.2

Radius: 5.2

Gravity: 13.14 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 11.74 AU - 16.62 AU

Year: 18596 Days

Day: 17.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 116,623,840 km

• M1: 65,524 km (0.113 R)
• M2: 268,977 km (0.099 R)
• M3: 432,936 km (0.11 R)
• M4: 709,692 km (0.057 R)
• M5: 1,075,309 km (0.102 R)
• M6: 11,531,752 km (0.096 R)
• M7: 11,950,476 km (0.035 R)
• M8: 13,267,686 km (0.117 R)
• M9: 15,673,219 km (0.032 R)
• M10: 17,016,758 km (0.099 R)
• M11: 20,360,270 km (0.086 R)
• M12: 21,957,227 km (0.091 R)
• M13: 31,785,957 km (0.109 R)
• M14: 39,032,628 km (0.025 R)
• M15: 52,173,903 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.6

Radius: 7.5

Gravity: 17.47 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 15.37 AU - 25.09 AU

Year: 31687 Days

Day: 17.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 116,623,840 km

• M1: 93,499 km (0.102 R)
• M2: 535,710 km (0.065 R)
• M3: 930,948 km (0.089 R)
• M4: 1,624,932 km (0.098 R)
• M5: 2,336,420 km (0.061 R)
• M6: 2,819,321 km (0.117 R)
• M7: 3,054,639 km (0.113 R)
• M8: 6,238,381 km (0.108 R)
• M9: 7,005,818 km (0.08 R)
• M10: 7,329,697 km (0.04 R)
• M11: 8,124,660 km (0.077 R)
• M12: 8,726,792 km (0.113 R)
• M13: 11,288,655 km (0.046 R)
• M14: 11,809,854 km (0.074 R)
• M15: 13,552,669 km (0.078 R)
• M16: 16,763,638 km (0.101 R)
• M17: 18,544,750 km (0.072 R)
• M18: 18,853,371 km (0.084 R)
• M19: 22,595,412 km (0.115 R)
• M20: 23,904,693 km (0.114 R)
• M21: 25,263,939 km (0.108 R)
• M22: 26,804,498 km (0.117 R)
• M23: 45,239,593 km (0.087 R)
• M24: 48,667,030 km (0.103 R)
• M25: 56,248,201 km (0.11 R)
• M26: 57,984,883 km (0.119 R)
• M27: 59,980,967 km (0.087 R)
• M28: 60,430,658 km (0.069 R)
• M29: 63,408,853 km (0.119 R)
• M30: 70,152,725 km (0.039 R)
• M31: 73,697,297 km (0.044 R)
• M32: 76,037,905 km (0.07 R)
• M33: 80,320,593 km (0.101 R)
• M34: 81,415,799 km (0.107 R)
• M35: 83,636,130 km (0.089 R)
• M36: 92,022,886 km (0.043 R)
• M37: 116,623,807 km (0.082 R)

Kuiper Belt

Range: 31.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 11,199 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit