🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.48 AU - 0.56 AU

Year: 134 Days

Day: 16 Hours

Environment

Temp: 195 °C

Axial Tilt: 31 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 52,033,836 km

• M1: 310,565 km (0.054 R)
• M2: 405,859 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.53 AU - 0.65 AU

Year: 162 Days

Day: 16.4 Hours

Environment

Temp: 187 °C

Axial Tilt: 41.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.22 AU - 1.24 AU

Year: 489 Days

Day: 20 Hours

Environment

Temp: 4 °C

Axial Tilt: 5.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 52,033,836 km

• M1: 38,147 km (0.081 R)
• M2: 299,196 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.22 AU - 1.74 AU

Year: 645 Days

Day: 22.8 Hours

Environment

Temp: -32 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.41 AU - 2.17 AU

Year: 858 Days

Day: 46.2 Hours

Environment

Temp: -56 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.54 AU - 3.68 AU

Year: 2457 Days

Day: 47.1 Hours

Environment

Temp: -116 °C

Axial Tilt: 41.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.06 AU - 5.34 AU

Year: 3649 Days

Day: 18.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.49 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 12.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.8

Radius: 10

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 10.05 AU - 14.49 AU

Year: 15394 Days

Day: 12 Hours

Environment

Temp: -173 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 52,033,836 km

• M1: 125,961 km (0.072 R)
• M2: 249,679 km (0.051 R)
• M3: 478,863 km (0.072 R)
• M4: 793,916 km (0.115 R)
• M5: 868,266 km (0.116 R)
• M6: 1,127,220 km (0.105 R)
• M7: 1,343,239 km (0.09 R)
• M8: 1,790,537 km (0.067 R)
• M9: 1,865,336 km (0.106 R)
• M10: 1,941,182 km (0.085 R)
• M11: 2,228,410 km (0.114 R)
• M12: 2,309,193 km (0.077 R)
• M13: 2,529,401 km (0.105 R)
• M14: 2,670,621 km (0.11 R)
• M15: 2,785,512 km (0.082 R)
• M16: 2,872,728 km (0.083 R)
• M17: 3,261,383 km (0.118 R)
• M18: 3,477,702 km (0.099 R)
• M19: 3,603,514 km (0.057 R)
• M20: 3,989,925 km (0.092 R)
• M21: 4,254,863 km (0.101 R)
• M22: 4,594,300 km (0.095 R)
• M23: 5,119,838 km (0.103 R)
• M24: 5,738,574 km (0.067 R)
• M25: 6,151,464 km (0.065 R)
• M26: 6,457,990 km (0.114 R)
• M27: 7,205,681 km (0.104 R)
• M28: 7,366,648 km (0.114 R)
• M29: 7,569,503 km (0.063 R)
• M30: 7,774,153 km (0.101 R)
• M31: 8,063,924 km (0.116 R)
• M32: 9,477,025 km (0.083 R)
• M33: 9,830,974 km (0.074 R)
• M34: 10,643,440 km (0.1 R)
• M35: 11,477,298 km (0.089 R)
• M36: 11,665,492 km (0.066 R)
• M37: 12,092,594 km (0.042 R)
• M38: 12,428,292 km (0.082 R)
• M39: 13,207,248 km (0.107 R)
• M40: 13,503,601 km (0.053 R)
• M41: 15,585,705 km (0.073 R)
• M42: 15,794,244 km (0.078 R)
• M43: 15,898,813 km (0.029 R)
• M44: 16,319,482 km (0.102 R)
• M45: 16,796,999 km (0.107 R)
• M46: 17,118,036 km (0.095 R)
• M47: 17,549,177 km (0.117 R)
• M48: 17,820,398 km (0.056 R)
• M49: 17,929,305 km (0.074 R)
• M50: 18,422,080 km (0.084 R)
• M51: 18,753,140 km (0.112 R)
• M52: 20,210,074 km (0.085 R)
• M53: 20,494,459 km (0.094 R)
• M54: 21,703,210 km (0.093 R)
• M55: 23,053,481 km (0.113 R)
• M56: 23,649,030 km (0.101 R)
• M57: 24,977,010 km (0.088 R)
• M58: 26,081,491 km (0.074 R)
• M59: 26,889,170 km (0.062 R)
• M60: 26,951,552 km (0.113 R)
• M61: 27,201,830 km (0.113 R)
• M62: 30,982,916 km (0.106 R)
• M63: 32,368,042 km (0.112 R)
• M64: 32,900,910 km (0.056 R)
• M65: 33,369,600 km (0.119 R)
• M66: 33,705,747 km (0.106 R)
• M67: 33,908,003 km (0.084 R)
• M68: 34,043,090 km (0.069 R)
• M69: 34,517,166 km (0.083 R)
• M70: 37,966,444 km (0.08 R)
• M71: 39,022,455 km (0.116 R)
• M72: 39,660,639 km (0.092 R)
• M73: 39,874,116 km (0.06 R)
• M74: 41,740,648 km (0.034 R)
• M75: 41,885,309 km (0.106 R)
• M76: 42,538,753 km (0.087 R)
• M77: 42,830,319 km (0.097 R)
• M78: 45,558,087 km (0.085 R)
• M79: 46,080,483 km (0.057 R)
• M80: 46,604,823 km (0.106 R)
• M81: 47,281,903 km (0.041 R)
• M82: 47,357,300 km (0.09 R)
• M83: 48,950,667 km (0.102 R)
• M84: 49,792,155 km (0.113 R)
• M85: 50,176,323 km (0.063 R)
• M86: 50,330,259 km (0.09 R)
• M87: 50,561,537 km (0.114 R)
• M88: 51,257,167 km (0.073 R)
• M89: 51,334,659 km (0.102 R)
• M90: 51,645,075 km (0.046 R)
• M91: 51,878,148 km (0.092 R)
• M92: 51,955,939 km (0.104 R)

Kuiper Belt

Range: 30.6 - 59.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 16,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit