🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.5 AU - 0.6 AU

Year: 150 Days

Day: 21.1 Hours

Environment

Temp: 166 °C

Axial Tilt: 3.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.63 AU - 1.05 AU

Year: 283 Days

Day: 32.9 Hours

Environment

Temp: 131 °C

Axial Tilt: 9.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.91 AU - 1.25 AU

Year: 412 Days

Day: 41 Hours

Environment

Temp: 8 °C

Axial Tilt: 39.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.9 AU - 1.32 AU

Year: 429 Days

Day: 23.5 Hours

Environment

Temp: 1 °C

Axial Tilt: 105.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 87,392,159 km

• M1: 181,911 km (0.118 R)
• M2: 463,005 km (0.08 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.23 AU - 1.55 AU

Year: 602 Days

Day: 26.3 Hours

Environment

Temp: -33 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,392,159 km

• M1: 72,705 km (0.111 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.24 AU - 2 AU

Year: 757 Days

Day: 30.8 Hours

Environment

Temp: -40 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.74 AU - 2.6 AU

Year: 1173 Days

Day: 42.7 Hours

Environment

Temp: -67 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,392,159 km

• M1: 83,027 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.5

Radius: 3.2

Gravity: 79.25 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 13.21 AU - 17.99 AU

Year: 22618 Days

Day: 24.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 87,392,159 km

• M1: 114,442 km (0.066 R)
• M2: 140,622 km (0.109 R)
• M3: 305,628 km (0.032 R)
• M4: 364,570 km (0.115 R)
• M5: 493,673 km (0.057 R)
• M6: 1,016,368 km (0.111 R)
• M7: 1,105,678 km (0.114 R)
• M8: 1,520,962 km (0.09 R)
• M9: 1,942,678 km (0.058 R)
• M10: 2,281,368 km (0.109 R)
• M11: 2,678,699 km (0.068 R)
• M12: 2,927,331 km (0.094 R)
• M13: 3,535,596 km (0.106 R)
• M14: 3,625,654 km (0.108 R)
• M15: 4,134,137 km (0.116 R)
• M16: 5,013,324 km (0.084 R)
• M17: 5,578,056 km (0.073 R)
• M18: 5,841,348 km (0.089 R)
• M19: 6,599,809 km (0.109 R)
• M20: 7,852,841 km (0.06 R)
• M21: 8,869,807 km (0.119 R)
• M22: 9,927,614 km (0.082 R)
• M23: 10,246,108 km (0.112 R)
• M24: 12,295,000 km (0.105 R)
• M25: 13,190,643 km (0.086 R)
• M26: 13,260,355 km (0.1 R)
• M27: 13,893,753 km (0.104 R)
• M28: 14,107,079 km (0.117 R)
• M29: 14,465,067 km (0.104 R)
• M30: 14,537,023 km (0.078 R)
• M31: 14,681,236 km (0.048 R)
• M32: 15,630,434 km (0.072 R)
• M33: 18,282,505 km (0.103 R)
• M34: 19,699,496 km (0.097 R)
• M35: 20,340,523 km (0.097 R)
• M36: 20,988,432 km (0.044 R)
• M37: 22,553,973 km (0.106 R)
• M38: 23,393,068 km (0.059 R)
• M39: 23,816,280 km (0.115 R)
• M40: 24,156,765 km (0.12 R)
• M41: 24,242,185 km (0.114 R)
• M42: 25,187,793 km (0.098 R)
• M43: 25,447,795 km (0.094 R)
• M44: 25,621,627 km (0.118 R)
• M45: 26,145,519 km (0.069 R)
• M46: 26,320,997 km (0.111 R)
• M47: 27,292,636 km (0.031 R)
• M48: 29,635,488 km (0.09 R)
• M49: 31,016,276 km (0.061 R)
• M50: 31,481,077 km (0.071 R)
• M51: 32,323,612 km (0.075 R)
• M52: 32,700,449 km (0.109 R)
• M53: 32,794,995 km (0.097 R)
• M54: 33,458,611 km (0.096 R)
• M55: 36,157,057 km (0.118 R)
• M56: 39,828,339 km (0.049 R)
• M57: 41,861,523 km (0.087 R)
• M58: 43,408,515 km (0.095 R)
• M59: 44,345,596 km (0.103 R)
• M60: 47,624,033 km (0.115 R)
• M61: 48,914,016 km (0.073 R)
• M62: 49,130,035 km (0.099 R)
• M63: 50,979,663 km (0.055 R)
• M64: 53,740,791 km (0.111 R)
• M65: 55,533,123 km (0.112 R)
• M66: 56,663,335 km (0.064 R)
• M67: 57,573,040 km (0.111 R)
• M68: 58,258,348 km (0.057 R)
• M69: 58,487,382 km (0.037 R)
• M70: 60,910,568 km (0.068 R)
• M71: 61,143,043 km (0.07 R)
• M72: 61,492,205 km (0.112 R)
• M73: 63,013,465 km (0.086 R)
• M74: 63,248,484 km (0.108 R)
• M75: 63,483,951 km (0.109 R)
• M76: 64,073,815 km (0.101 R)
• M77: 64,902,587 km (0.104 R)
• M78: 66,810,259 km (0.047 R)
• M79: 67,410,147 km (0.079 R)
• M80: 67,530,274 km (0.114 R)
• M81: 68,736,182 km (0.099 R)
• M82: 69,584,552 km (0.115 R)
• M83: 70,558,285 km (0.102 R)
• M84: 70,924,650 km (0.049 R)
• M85: 71,414,134 km (0.111 R)
• M86: 78,635,522 km (0.059 R)
• M87: 80,923,323 km (0.061 R)
• M88: 81,947,170 km (0.064 R)
• M89: 83,490,871 km (0.109 R)
• M90: 83,878,329 km (0.117 R)
• M91: 85,174,146 km (0.099 R)
• M92: 86,085,197 km (0.111 R)
• M93: 87,261,186 km (0.096 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 12,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit