🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.66 AU - 0.74 AU

Year: 222 Days

Day: 45.5 Hours

Environment

Temp: 114 °C

Axial Tilt: 35.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.61 AU - 0.83 AU

Year: 231 Days

Day: 38.2 Hours

Environment

Temp: 161 °C

Axial Tilt: 16.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.78 AU - 1.18 AU

Year: 367 Days

Day: 43.1 Hours

Environment

Temp: 19 °C

Axial Tilt: 1.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 32,844,085 km

• M1: 76,445 km (0.074 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.17 AU - 1.19 AU

Year: 485 Days

Day: 44.8 Hours

Environment

Temp: -6 °C

Axial Tilt: 22.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.92 AU - 2.66 AU

Year: 1313 Days

Day: 29.9 Hours

Environment

Temp: -91 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,844,085 km

• M1: 1,168,359 km (0.049 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.27 AU - 2.65 AU

Year: 1461 Days

Day: 19.6 Hours

Environment

Temp: -94 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,844,085 km

• M1: 59,690 km (0.045 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.62 AU - 2.96 AU

Year: 1765 Days

Day: 40.8 Hours

Environment

Temp: -97 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.6 AU - 2.98 AU

Year: 1765 Days

Day: 17.9 Hours

Environment

Temp: -111 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.2

Radius: 8

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.15 AU - 6.21 AU

Year: 4465 Days

Day: 8.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 32,844,085 km

• M1: 109,356 km (0.116 R)
• M2: 178,171 km (0.101 R)
• M3: 238,908 km (0.055 R)
• M4: 321,935 km (0.095 R)
• M5: 437,424 km (0.072 R)
• M6: 832,512 km (0.075 R)
• M7: 922,869 km (0.098 R)
• M8: 1,026,391 km (0.085 R)
• M9: 1,133,802 km (0.066 R)
• M10: 1,317,808 km (0.106 R)
• M11: 1,413,550 km (0.036 R)
• M12: 1,600,847 km (0.1 R)
• M13: 1,668,914 km (0.03 R)
• M14: 1,738,028 km (0.074 R)
• M15: 1,915,002 km (0.067 R)
• M16: 2,024,059 km (0.062 R)
• M17: 2,415,407 km (0.09 R)
• M18: 2,586,547 km (0.042 R)
• M19: 2,721,036 km (0.065 R)
• M20: 2,802,716 km (0.042 R)
• M21: 3,067,205 km (0.099 R)
• M22: 3,123,903 km (0.098 R)
• M23: 3,180,900 km (0.077 R)
• M24: 3,456,758 km (0.081 R)
• M25: 3,515,849 km (0.07 R)
• M26: 3,590,199 km (0.108 R)
• M27: 3,695,217 km (0.085 R)
• M28: 3,816,391 km (0.049 R)
• M29: 4,093,895 km (0.09 R)
• M30: 4,362,124 km (0.025 R)
• M31: 4,490,330 km (0.09 R)
• M32: 4,652,344 km (0.071 R)
• M33: 4,717,569 km (0.101 R)
• M34: 4,832,759 km (0.081 R)
• M35: 4,948,847 km (0.06 R)
• M36: 5,183,716 km (0.104 R)
• M37: 5,439,379 km (0.097 R)
• M38: 5,542,900 km (0.09 R)
• M39: 5,857,205 km (0.101 R)
• M40: 5,998,725 km (0.084 R)
• M41: 6,159,393 km (0.112 R)
• M42: 6,231,350 km (0.113 R)
• M43: 6,576,472 km (0.101 R)
• M44: 6,834,678 km (0.101 R)
• M45: 6,909,178 km (0.118 R)
• M46: 7,021,376 km (0.069 R)
• M47: 7,959,654 km (0.104 R)
• M48: 8,393,787 km (0.114 R)
• M49: 9,100,038 km (0.116 R)
• M50: 9,429,303 km (0.071 R)
• M51: 9,491,536 km (0.108 R)
• M52: 9,741,664 km (0.084 R)
• M53: 9,951,699 km (0.105 R)
• M54: 10,248,352 km (0.067 R)
• M55: 10,333,623 km (0.047 R)
• M56: 10,677,099 km (0.057 R)
• M57: 10,893,717 km (0.114 R)
• M58: 11,596,528 km (0.077 R)
• M59: 11,707,679 km (0.078 R)
• M60: 11,886,299 km (0.097 R)
• M61: 11,975,908 km (0.093 R)
• M62: 12,065,816 km (0.082 R)
• M63: 12,472,872 km (0.042 R)
• M64: 12,792,712 km (0.061 R)
• M65: 13,022,794 km (0.101 R)
• M66: 13,138,433 km (0.06 R)
• M67: 13,440,471 km (0.11 R)
• M68: 14,431,856 km (0.051 R)
• M69: 14,527,599 km (0.059 R)
• M70: 14,599,406 km (0.119 R)
• M71: 15,009,005 km (0.099 R)
• M72: 15,471,262 km (0.084 R)
• M73: 15,740,987 km (0.116 R)
• M74: 15,938,157 km (0.084 R)
• M75: 16,384,707 km (0.087 R)

Planet 10 - Gas Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.7

Radius: 12.5

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.17 AU - 9.89 AU

Year: 8618 Days

Day: 12.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 32,844,085 km

• M1: 156,479 km (0.08 R)
• M2: 254,915 km (0.115 R)
• M3: 378,782 km (0.118 R)
• M4: 531,970 km (0.045 R)
• M5: 612,005 km (0.032 R)
• M6: 867,518 km (0.108 R)
• M7: 951,293 km (0.056 R)
• M8: 1,038,060 km (0.059 R)
• M9: 1,582,745 km (0.073 R)
• M10: 1,687,614 km (0.051 R)
• M11: 2,548,549 km (0.066 R)
• M12: 2,841,312 km (0.118 R)
• M13: 3,278,737 km (0.053 R)
• M14: 3,714,216 km (0.093 R)
• M15: 3,926,944 km (0.116 R)
• M16: 4,266,082 km (0.117 R)
• M17: 4,414,334 km (0.081 R)
• M18: 4,869,560 km (0.093 R)
• M19: 5,076,753 km (0.086 R)
• M20: 5,526,744 km (0.106 R)
• M21: 5,879,645 km (0.072 R)
• M22: 6,184,077 km (0.052 R)
• M23: 6,465,321 km (0.049 R)
• M24: 6,693,308 km (0.08 R)
• M25: 6,982,181 km (0.086 R)
• M26: 7,069,547 km (0.12 R)
• M27: 7,662,104 km (0.103 R)
• M28: 7,933,923 km (0.083 R)
• M29: 8,116,881 km (0.118 R)
• M30: 8,363,119 km (0.119 R)
• M31: 8,737,114 km (0.117 R)
• M32: 9,180,373 km (0.103 R)
• M33: 9,859,098 km (0.082 R)
• M34: 10,755,489 km (0.073 R)
• M35: 11,060,219 km (0.05 R)
• M36: 11,264,869 km (0.091 R)
• M37: 13,707,653 km (0.094 R)
• M38: 14,931,962 km (0.101 R)
• M39: 15,271,848 km (0.092 R)
• M40: 15,614,427 km (0.071 R)
• M41: 16,036,443 km (0.062 R)
• M42: 16,229,574 km (0.062 R)
• M43: 16,462,348 km (0.094 R)
• M44: 16,891,993 km (0.093 R)
• M45: 17,088,565 km (0.065 R)
• M46: 17,246,241 km (0.112 R)
• M47: 17,483,802 km (0.114 R)
• M48: 17,802,296 km (0.067 R)
• M49: 18,042,401 km (0.104 R)
• M50: 18,283,553 km (0.109 R)
• M51: 18,850,528 km (0.062 R)
• M52: 19,095,121 km (0.119 R)
• M53: 19,176,951 km (0.119 R)
• M54: 19,258,931 km (0.119 R)
• M55: 19,464,329 km (0.066 R)
• M56: 20,126,299 km (0.09 R)
• M57: 20,460,052 km (0.086 R)
• M58: 20,543,827 km (0.06 R)
• M59: 20,711,526 km (0.097 R)
• M60: 21,813,464 km (0.118 R)
• M61: 22,457,782 km (0.031 R)
• M62: 23,414,161 km (0.068 R)
• M63: 23,545,508 km (0.09 R)
• M64: 23,721,136 km (0.073 R)
• M65: 24,606,007 km (0.113 R)
• M66: 27,232,348 km (0.108 R)
• M67: 28,531,904 km (0.113 R)
• M68: 30,089,368 km (0.099 R)
• M69: 31,625,887 km (0.078 R)
• M70: 32,306,259 km (0.069 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 16,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit