🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.51 AU - 0.77 AU

Year: 193 Days

Day: 33.7 Hours

Environment

Temp: 143 °C

Axial Tilt: 24.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.53 AU - 0.77 AU

Year: 197 Days

Day: 37.1 Hours

Environment

Temp: 169 °C

Axial Tilt: 32.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.51 AU - 0.83 AU

Year: 207 Days

Day: 41.1 Hours

Environment

Temp: 108 °C

Axial Tilt: 24.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.94 AU - 1.24 AU

Year: 429 Days

Day: 25 Hours

Environment

Temp: 2 °C

Axial Tilt: 12 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 27,017,919 km

• M1: 110,254 km (0.11 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.14 AU - 1.38 AU

Year: 533 Days

Day: 43.4 Hours

Environment

Temp: -20 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.42 AU - 2.59 AU

Year: 1489 Days

Day: 34.7 Hours

Environment

Temp: -101 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.8

Radius: 11.5

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.47 AU - 4.61 AU

Year: 3644 Days

Day: 10.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 27,017,919 km

• M1: 148,102 km (0.086 R)
• M2: 242,947 km (0.092 R)
• M3: 478,414 km (0.106 R)
• M4: 575,503 km (0.086 R)
• M5: 773,571 km (0.093 R)
• M6: 922,121 km (0.094 R)
• M7: 1,237,623 km (0.12 R)
• M8: 1,462,918 km (0.077 R)
• M9: 1,574,518 km (0.111 R)
• M10: 1,753,736 km (0.098 R)
• M11: 1,886,130 km (0.071 R)
• M12: 2,063,254 km (0.058 R)
• M13: 2,274,785 km (0.063 R)
• M14: 2,361,402 km (0.094 R)
• M15: 2,627,986 km (0.095 R)
• M16: 3,142,303 km (0.083 R)
• M17: 3,452,719 km (0.099 R)
• M18: 3,773,157 km (0.04 R)
• M19: 3,980,500 km (0.063 R)
• M20: 4,388,603 km (0.033 R)
• M21: 4,810,170 km (0.086 R)
• M22: 4,884,969 km (0.078 R)
• M23: 4,959,917 km (0.105 R)
• M24: 5,092,312 km (0.109 R)
• M25: 5,283,348 km (0.084 R)
• M26: 5,515,823 km (0.1 R)
• M27: 6,253,789 km (0.115 R)
• M28: 6,980,386 km (0.115 R)
• M29: 7,192,965 km (0.081 R)
• M30: 7,300,077 km (0.105 R)
• M31: 7,799,435 km (0.096 R)
• M32: 8,131,243 km (0.087 R)
• M33: 8,265,282 km (0.1 R)
• M34: 8,490,278 km (0.044 R)
• M35: 8,923,363 km (0.061 R)
• M36: 9,015,366 km (0.083 R)
• M37: 9,223,756 km (0.108 R)
• M38: 9,340,293 km (0.101 R)
• M39: 10,073,322 km (0.037 R)
• M40: 10,580,459 km (0.051 R)
• M41: 10,677,997 km (0.109 R)
• M42: 10,898,504 km (0.117 R)
• M43: 10,997,089 km (0.112 R)
• M44: 11,170,174 km (0.05 R)
• M45: 11,419,105 km (0.075 R)
• M46: 11,720,245 km (0.106 R)
• M47: 12,330,455 km (0.057 R)
• M48: 12,665,255 km (0.081 R)
• M49: 12,898,777 km (0.059 R)
• M50: 13,107,616 km (0.108 R)
• M51: 13,186,304 km (0.077 R)
• M52: 13,317,651 km (0.108 R)
• M53: 13,396,639 km (0.118 R)
• M54: 14,600,603 km (0.09 R)
• M55: 14,763,814 km (0.026 R)
• M56: 15,064,506 km (0.111 R)
• M57: 15,450,169 km (0.09 R)
• M58: 15,866,949 km (0.08 R)
• M59: 16,203,095 km (0.086 R)
• M60: 16,287,468 km (0.102 R)
• M61: 16,654,881 km (0.105 R)
• M62: 16,768,575 km (0.091 R)
• M63: 16,996,562 km (0.12 R)
• M64: 17,340,488 km (0.093 R)
• M65: 18,152,056 km (0.085 R)
• M66: 18,562,403 km (0.086 R)
• M67: 18,887,030 km (0.049 R)
• M68: 19,751,856 km (0.04 R)
• M69: 19,932,271 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.7

Radius: 11.6

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.96 AU - 6.06 AU

Year: 4873 Days

Day: 14.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 27,017,919 km

• M1: 167,250 km (0.117 R)
• M2: 435,779 km (0.06 R)
• M3: 529,427 km (0.057 R)
• M4: 620,831 km (0.102 R)
• M5: 775,216 km (0.078 R)
• M6: 1,019,659 km (0.112 R)
• M7: 1,138,141 km (0.117 R)
• M8: 1,303,596 km (0.086 R)
• M9: 1,418,487 km (0.063 R)
• M10: 1,507,049 km (0.109 R)
• M11: 1,721,124 km (0.097 R)
• M12: 2,145,383 km (0.1 R)
• M13: 2,511,898 km (0.086 R)
• M14: 2,602,255 km (0.083 R)
• M15: 2,860,760 km (0.104 R)
• M16: 3,284,272 km (0.078 R)
• M17: 3,768,819 km (0.112 R)
• M18: 3,851,846 km (0.063 R)
• M19: 4,276,106 km (0.111 R)
• M20: 4,715,474 km (0.07 R)
• M21: 5,031,724 km (0.119 R)
• M22: 5,566,387 km (0.089 R)
• M23: 5,732,590 km (0.079 R)
• M24: 5,948,909 km (0.045 R)
• M25: 6,216,988 km (0.108 R)
• M26: 6,514,090 km (0.097 R)
• M27: 6,942,837 km (0.081 R)
• M28: 7,070,743 km (0.079 R)
• M29: 7,225,128 km (0.1 R)
• M30: 7,328,800 km (0.108 R)
• M31: 7,721,793 km (0.098 R)
• M32: 7,827,858 km (0.07 R)
• M33: 7,987,629 km (0.119 R)
• M34: 8,229,528 km (0.045 R)
• M35: 8,555,801 km (0.06 R)
• M36: 9,053,214 km (0.106 R)
• M37: 9,277,462 km (0.111 R)
• M38: 9,588,625 km (0.116 R)
• M39: 9,674,046 km (0.055 R)
• M40: 9,845,784 km (0.118 R)
• M41: 10,279,468 km (0.104 R)
• M42: 10,425,476 km (0.114 R)
• M43: 10,542,760 km (0.084 R)
• M44: 11,195,605 km (0.087 R)
• M45: 11,345,802 km (0.116 R)
• M46: 11,526,965 km (0.085 R)
• M47: 12,292,158 km (0.099 R)
• M48: 12,916,131 km (0.119 R)
• M49: 13,231,932 km (0.098 R)
• M50: 13,327,226 km (0.088 R)
• M51: 13,486,547 km (0.088 R)
• M52: 13,774,822 km (0.117 R)
• M53: 14,000,416 km (0.082 R)
• M54: 14,357,506 km (0.063 R)
• M55: 14,684,677 km (0.04 R)
• M56: 14,882,295 km (0.085 R)
• M57: 15,047,601 km (0.114 R)
• M58: 15,279,927 km (0.074 R)
• M59: 15,580,618 km (0.11 R)
• M60: 15,916,914 km (0.072 R)
• M61: 16,018,192 km (0.091 R)
• M62: 16,871,199 km (0.076 R)
• M63: 17,112,800 km (0.113 R)
• M64: 17,286,034 km (0.1 R)
• M65: 17,599,142 km (0.085 R)
• M66: 17,914,345 km (0.11 R)
• M67: 18,125,428 km (0.104 R)
• M68: 19,265,363 km (0.098 R)
• M69: 19,373,523 km (0.11 R)
• M70: 20,245,229 km (0.116 R)
• M71: 20,538,740 km (0.115 R)
• M72: 21,092,701 km (0.078 R)
• M73: 21,166,902 km (0.052 R)
• M74: 21,315,752 km (0.111 R)
• M75: 21,726,548 km (0.089 R)
• M76: 23,974,555 km (0.093 R)
• M77: 24,052,046 km (0.091 R)
• M78: 24,635,927 km (0.118 R)
• M79: 25,342,777 km (0.115 R)
• M80: 26,455,486 km (0.098 R)
• M81: 26,575,763 km (0.091 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: 190 - 18,150 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit