🌌 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: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.46 AU - 0.58 AU

Year: 141 Days

Day: 14.3 Hours

Environment

Temp: 172 °C

Axial Tilt: 49.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.91 AU - 1.09 AU

Year: 375 Days

Day: 35.1 Hours

Environment

Temp: 19 °C

Axial Tilt: 25.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 58,058,431 km

• M1: 740,360 km (0.085 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.08 AU - 1.26 AU

Year: 474 Days

Day: 44.2 Hours

Environment

Temp: 6 °C

Axial Tilt: 6.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.71 AU - 1.85 AU

Year: 890 Days

Day: 34.1 Hours

Environment

Temp: -73 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.83 AU - 3.03 AU

Year: 1420 Days

Day: 41.6 Hours

Environment

Temp: -100 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.23 AU - 3.01 AU

Year: 1589 Days

Day: 41.4 Hours

Environment

Temp: -93 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.63 AU - 3.35 AU

Year: 1937 Days

Day: 32.5 Hours

Environment

Temp: -109 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.3

Radius: 9

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.89 AU - 9.07 AU

Year: 8448 Days

Day: 13.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 58,058,431 km

• M1: 178,171 km (0.074 R)
• M2: 257,757 km (0.099 R)
• M3: 321,336 km (0.107 R)
• M4: 510,278 km (0.119 R)
• M5: 567,126 km (0.054 R)
• M6: 818,450 km (0.077 R)
• M7: 1,161,029 km (0.117 R)
• M8: 1,741,918 km (0.06 R)
• M9: 2,352,875 km (0.085 R)
• M10: 2,578,918 km (0.106 R)
• M11: 2,812,141 km (0.042 R)
• M12: 3,841,524 km (0.106 R)
• M13: 4,048,418 km (0.042 R)
• M14: 4,168,395 km (0.045 R)
• M15: 4,228,683 km (0.114 R)
• M16: 4,659,674 km (0.097 R)
• M17: 5,040,401 km (0.11 R)
• M18: 5,267,042 km (0.09 R)
• M19: 5,696,986 km (0.098 R)
• M20: 5,865,284 km (0.105 R)
• M21: 6,660,995 km (0.038 R)
• M22: 6,945,680 km (0.116 R)
• M23: 7,125,795 km (0.101 R)
• M24: 7,490,365 km (0.119 R)
• M25: 7,674,969 km (0.102 R)
• M26: 8,313,902 km (0.111 R)
• M27: 8,620,428 km (0.045 R)
• M28: 8,852,903 km (0.106 R)
• M29: 9,008,933 km (0.117 R)
• M30: 9,087,323 km (0.1 R)
• M31: 10,045,647 km (0.113 R)
• M32: 10,208,559 km (0.05 R)
• M33: 10,868,734 km (0.092 R)
• M34: 11,372,879 km (0.037 R)
• M35: 11,798,784 km (0.097 R)
• M36: 12,143,458 km (0.04 R)
• M37: 12,534,955 km (0.105 R)
• M38: 12,886,510 km (0.043 R)
• M39: 13,644,523 km (0.096 R)
• M40: 13,779,759 km (0.116 R)
• M41: 14,006,101 km (0.097 R)
• M42: 14,325,193 km (0.1 R)
• M43: 15,531,101 km (0.066 R)
• M44: 15,861,413 km (0.117 R)
• M45: 17,449,245 km (0.077 R)
• M46: 17,645,218 km (0.099 R)
• M47: 17,989,742 km (0.118 R)
• M48: 18,088,627 km (0.032 R)
• M49: 19,036,778 km (0.101 R)
• M50: 19,188,021 km (0.101 R)
• M51: 20,257,496 km (0.041 R)
• M52: 20,360,420 km (0.11 R)
• M53: 20,721,848 km (0.093 R)
• M54: 20,929,341 km (0.097 R)
• M55: 21,033,311 km (0.082 R)
• M56: 21,660,874 km (0.038 R)
• M57: 23,149,223 km (0.069 R)
• M58: 23,797,132 km (0.083 R)
• M59: 24,725,087 km (0.087 R)
• M60: 24,835,042 km (0.099 R)
• M61: 25,332,006 km (0.075 R)
• M62: 25,553,859 km (0.069 R)
• M63: 26,167,360 km (0.106 R)
• M64: 27,011,691 km (0.111 R)
• M65: 27,181,634 km (0.06 R)
• M66: 27,579,564 km (0.079 R)
• M67: 28,323,814 km (0.113 R)
• M68: 28,611,790 km (0.09 R)
• M69: 29,016,601 km (0.058 R)
• M70: 30,477,724 km (0.107 R)
• M71: 30,950,303 km (0.108 R)
• M72: 31,009,544 km (0.106 R)
• M73: 31,068,785 km (0.083 R)
• M74: 31,425,277 km (0.038 R)
• M75: 31,544,506 km (0.068 R)
• M76: 31,962,632 km (0.052 R)
• M77: 34,940,827 km (0.064 R)
• M78: 35,870,129 km (0.117 R)
• M79: 35,994,594 km (0.118 R)
• M80: 36,744,827 km (0.074 R)
• M81: 37,500,147 km (0.079 R)
• M82: 38,069,965 km (0.1 R)
• M83: 38,642,626 km (0.111 R)
• M84: 39,732,147 km (0.036 R)
• M85: 41,548,714 km (0.119 R)
• M86: 41,810,361 km (0.113 R)
• M87: 44,323,755 km (0.061 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.6

Radius: 9.3

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.38 AU - 10.92 AU

Year: 11234 Days

Day: 6.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 58,058,431 km

• M1: 173,534 km (0.081 R)
• M2: 244,144 km (0.098 R)
• M3: 528,080 km (0.113 R)
• M4: 822,639 km (0.107 R)
• M5: 883,525 km (0.113 R)
• M6: 967,300 km (0.103 R)
• M7: 1,680,134 km (0.062 R)
• M8: 1,893,311 km (0.064 R)
• M9: 2,172,161 km (0.077 R)
• M10: 2,287,501 km (0.045 R)
• M11: 2,676,456 km (0.047 R)
• M12: 2,957,849 km (0.093 R)
• M13: 3,348,150 km (0.094 R)
• M14: 3,481,890 km (0.088 R)
• M15: 3,789,314 km (0.113 R)
• M16: 4,393,989 km (0.109 R)
• M17: 4,466,992 km (0.111 R)
• M18: 4,990,435 km (0.118 R)
• M19: 5,892,062 km (0.07 R)
• M20: 6,176,447 km (0.108 R)
• M21: 6,716,496 km (0.111 R)
• M22: 6,801,018 km (0.118 R)
• M23: 6,970,962 km (0.082 R)
• M24: 7,099,317 km (0.081 R)
• M25: 7,315,037 km (0.09 R)
• M26: 7,489,318 km (0.084 R)
• M27: 7,708,928 km (0.12 R)
• M28: 9,827,683 km (0.089 R)
• M29: 9,923,724 km (0.092 R)
• M30: 10,457,340 km (0.073 R)
• M31: 10,851,231 km (0.044 R)
• M32: 11,149,828 km (0.059 R)
• M33: 11,501,683 km (0.075 R)
• M34: 12,164,850 km (0.114 R)
• M35: 12,683,506 km (0.108 R)
• M36: 13,635,098 km (0.095 R)
• M37: 14,719,234 km (0.102 R)
• M38: 14,994,643 km (0.115 R)
• M39: 15,327,199 km (0.034 R)
• M40: 16,567,964 km (0.085 R)
• M41: 16,739,553 km (0.118 R)
• M42: 16,854,295 km (0.082 R)
• M43: 17,374,147 km (0.069 R)
• M44: 17,723,458 km (0.112 R)
• M45: 18,370,170 km (0.103 R)
• M46: 18,845,293 km (0.114 R)
• M47: 19,445,030 km (0.118 R)
• M48: 20,663,056 km (0.113 R)
• M49: 21,968,298 km (0.114 R)
• M50: 22,220,071 km (0.056 R)
• M51: 22,853,319 km (0.106 R)
• M52: 24,202,692 km (0.091 R)
• M53: 24,527,618 km (0.119 R)
• M54: 25,313,755 km (0.099 R)
• M55: 25,908,706 km (0.056 R)
• M56: 26,107,970 km (0.115 R)
• M57: 27,585,399 km (0.082 R)
• M58: 27,789,001 km (0.084 R)
• M59: 28,883,010 km (0.071 R)
• M60: 29,227,834 km (0.098 R)
• M61: 30,060,944 km (0.061 R)
• M62: 31,254,436 km (0.114 R)
• M63: 32,248,963 km (0.109 R)
• M64: 33,470,429 km (0.072 R)
• M65: 35,515,282 km (0.061 R)
• M66: 35,662,786 km (0.111 R)
• M67: 38,052,014 km (0.115 R)
• M68: 39,189,705 km (0.099 R)
• M69: 39,571,479 km (0.107 R)
• M70: 40,415,510 km (0.089 R)
• M71: 40,569,596 km (0.089 R)
• M72: 40,723,981 km (0.03 R)
• M73: 41,188,034 km (0.106 R)
• M74: 42,669,202 km (0.114 R)
• M75: 42,747,592 km (0.075 R)
• M76: 43,298,112 km (0.034 R)
• M77: 43,455,788 km (0.112 R)
• M78: 44,485,470 km (0.117 R)
• M79: 45,763,784 km (0.104 R)
• M80: 46,811,268 km (0.113 R)
• M81: 46,973,133 km (0.106 R)
• M82: 47,622,388 km (0.108 R)
• M83: 48,847,894 km (0.093 R)
• M84: 49,423,247 km (0.053 R)
• M85: 51,079,595 km (0.068 R)
• M86: 51,246,247 km (0.084 R)
• M87: 52,501,822 km (0.06 R)
• M88: 53,852,241 km (0.073 R)
• M89: 53,937,063 km (0.103 R)
• M90: 54,616,836 km (0.117 R)
• M91: 54,787,228 km (0.106 R)
• M92: 57,018,630 km (0.118 R)
• M93: 57,624,352 km (0.092 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 11,077 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit