🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.79 AU - 1.11 AU

Year: 337 Days

Day: 19.5 Hours

Environment

Temp: 114 °C

Axial Tilt: 47.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 112,327,234 km

• M1: 45,478 km (0.096 R)
• M2: 181,911 km (0.063 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.89 AU - 1.01 AU

Year: 337 Days

Day: 18.5 Hours

Environment

Temp: 68 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 112,327,234 km

• M1: 39,195 km (0.109 R)
• M2: 152,291 km (0.065 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.98 AU - 1.2 AU

Year: 414 Days

Day: 34.6 Hours

Environment

Temp: 27 °C

Axial Tilt: 2.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.11 AU - 1.81 AU

Year: 641 Days

Day: 15 Hours

Environment

Temp: -22 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 112,327,234 km

• M1: 281,394 km (0.066 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.7 AU - 3.36 AU

Year: 1917 Days

Day: 44.4 Hours

Environment

Temp: -94 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.54 AU - 4.76 AU

Year: 3073 Days

Day: 24.6 Hours

Environment

Temp: -129 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.73 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.2

Radius: 11.1

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 11.05 AU - 11.55 AU

Year: 13805 Days

Day: 5.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 112,327,234 km

• M1: 150,196 km (0.102 R)
• M2: 880,533 km (0.117 R)
• M3: 1,009,786 km (0.049 R)
• M4: 1,636,152 km (0.067 R)
• M5: 2,162,288 km (0.027 R)
• M6: 2,444,579 km (0.115 R)
• M7: 2,576,823 km (0.067 R)
• M8: 2,738,838 km (0.105 R)
• M9: 3,216,055 km (0.1 R)
• M10: 3,479,497 km (0.12 R)
• M11: 3,689,233 km (0.066 R)
• M12: 4,058,441 km (0.088 R)
• M13: 4,865,970 km (0.115 R)
• M14: 5,236,823 km (0.112 R)
• M15: 5,374,004 km (0.113 R)
• M16: 6,477,438 km (0.115 R)
• M17: 7,111,733 km (0.1 R)
• M18: 7,532,702 km (0.093 R)
• M19: 7,610,193 km (0.109 R)
• M20: 8,119,873 km (0.102 R)
• M21: 8,399,023 km (0.08 R)
• M22: 8,681,314 km (0.035 R)
• M23: 9,505,150 km (0.105 R)
• M24: 10,830,886 km (0.079 R)
• M25: 11,271,003 km (0.064 R)
• M26: 11,404,145 km (0.106 R)
• M27: 12,259,546 km (0.114 R)
• M28: 13,228,940 km (0.1 R)
• M29: 13,416,386 km (0.112 R)
• M30: 13,510,483 km (0.033 R)
• M31: 14,031,682 km (0.072 R)
• M32: 14,463,122 km (0.118 R)
• M33: 14,607,933 km (0.085 R)
• M34: 15,045,207 km (0.045 R)
• M35: 15,191,963 km (0.078 R)
• M36: 15,536,038 km (0.105 R)
• M37: 15,833,139 km (0.078 R)
• M38: 15,982,438 km (0.077 R)
• M39: 19,595,077 km (0.053 R)
• M40: 19,808,852 km (0.082 R)
• M41: 20,835,094 km (0.108 R)
• M42: 21,053,357 km (0.088 R)
• M43: 21,217,466 km (0.054 R)
• M44: 21,657,433 km (0.116 R)
• M45: 22,044,892 km (0.107 R)
• M46: 22,546,344 km (0.087 R)
• M47: 22,658,243 km (0.12 R)
• M48: 22,938,889 km (0.09 R)
• M49: 23,164,333 km (0.102 R)
• M50: 24,244,878 km (0.075 R)
• M51: 24,589,552 km (0.111 R)
• M52: 25,691,639 km (0.091 R)
• M53: 26,337,004 km (0.098 R)
• M54: 27,225,765 km (0.115 R)
• M55: 27,464,374 km (0.08 R)
• M56: 28,607,601 km (0.101 R)
• M57: 29,032,608 km (0.071 R)
• M58: 30,073,660 km (0.101 R)
• M59: 30,320,347 km (0.039 R)
• M60: 30,443,915 km (0.093 R)
• M61: 32,760,886 km (0.045 R)
• M62: 32,951,175 km (0.036 R)
• M63: 33,078,333 km (0.109 R)
• M64: 33,908,452 km (0.112 R)
• M65: 34,680,826 km (0.076 R)
• M66: 35,328,884 km (0.084 R)
• M67: 35,719,633 km (0.109 R)
• M68: 36,966,531 km (0.109 R)
• M69: 37,296,993 km (0.114 R)
• M70: 38,160,921 km (0.026 R)
• M71: 38,294,512 km (0.091 R)
• M72: 38,964,261 km (0.114 R)
• M73: 39,098,600 km (0.103 R)
• M74: 40,451,414 km (0.097 R)
• M75: 40,587,548 km (0.105 R)
• M76: 41,819,337 km (0.097 R)
• M77: 42,094,896 km (0.087 R)
• M78: 42,232,825 km (0.085 R)
• M79: 42,440,018 km (0.048 R)
• M80: 42,647,511 km (0.08 R)
• M81: 42,924,715 km (0.102 R)
• M82: 43,690,208 km (0.061 R)
• M83: 43,760,070 km (0.081 R)
• M84: 45,093,585 km (0.069 R)
• M85: 46,939,922 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.7

Radius: 4.8

Gravity: 43.04 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 15.41 AU - 22.35 AU

Year: 29815 Days

Day: 21.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 112,327,234 km

• M1: 557,701 km (0.077 R)
• M2: 957,875 km (0.047 R)
• M3: 2,050,388 km (0.096 R)
• M4: 2,138,950 km (0.045 R)
• M5: 3,503,881 km (0.101 R)
• M6: 3,879,522 km (0.059 R)
• M7: 4,668,351 km (0.03 R)
• M8: 6,130,670 km (0.05 R)
• M9: 7,110,536 km (0.113 R)
• M10: 7,177,556 km (0.092 R)
• M11: 7,312,344 km (0.119 R)
• M12: 7,928,837 km (0.066 R)
• M13: 9,284,343 km (0.047 R)
• M14: 9,876,152 km (0.08 R)
• M15: 10,786,605 km (0.1 R)
• M16: 12,041,731 km (0.12 R)
• M17: 12,686,348 km (0.079 R)
• M18: 14,009,093 km (0.059 R)
• M19: 14,686,621 km (0.104 R)
• M20: 14,943,481 km (0.041 R)
• M21: 15,115,518 km (0.07 R)
• M22: 15,985,729 km (0.047 R)
• M23: 17,501,904 km (0.115 R)
• M24: 19,624,997 km (0.054 R)
• M25: 20,002,432 km (0.119 R)
• M26: 20,192,122 km (0.116 R)
• M27: 20,382,261 km (0.068 R)
• M28: 20,477,555 km (0.067 R)
• M29: 21,245,590 km (0.085 R)
• M30: 21,342,380 km (0.12 R)
• M31: 21,633,198 km (0.094 R)
• M32: 22,513,732 km (0.093 R)
• M33: 22,710,902 km (0.094 R)
• M34: 23,007,853 km (0.101 R)
• M35: 24,816,492 km (0.108 R)
• M36: 26,461,919 km (0.114 R)
• M37: 26,983,417 km (0.082 R)
• M38: 27,297,871 km (0.082 R)
• M39: 27,403,039 km (0.099 R)
• M40: 29,210,181 km (0.097 R)
• M41: 30,073,810 km (0.099 R)
• M42: 30,508,840 km (0.079 R)
• M43: 30,945,965 km (0.108 R)
• M44: 31,936,901 km (0.104 R)
• M45: 32,491,910 km (0.094 R)
• M46: 32,714,810 km (0.1 R)
• M47: 36,928,982 km (0.104 R)
• M48: 37,161,607 km (0.034 R)
• M49: 37,628,203 km (0.119 R)
• M50: 38,921,626 km (0.086 R)
• M51: 40,229,560 km (0.086 R)
• M52: 42,036,104 km (0.109 R)
• M53: 42,766,142 km (0.107 R)
• M54: 43,623,038 km (0.057 R)
• M55: 45,105,254 km (0.083 R)
• M56: 47,738,625 km (0.036 R)
• M57: 51,196,879 km (0.098 R)
• M58: 51,456,282 km (0.084 R)
• M59: 52,367,483 km (0.028 R)
• M60: 52,759,579 km (0.078 R)
• M61: 53,941,851 km (0.115 R)
• M62: 55,931,652 km (0.096 R)
• M63: 56,065,093 km (0.045 R)
• M64: 60,529,842 km (0.039 R)
• M65: 64,266,796 km (0.087 R)
• M66: 64,546,544 km (0.095 R)
• M67: 69,507,659 km (0.116 R)
• M68: 70,226,327 km (0.101 R)
• M69: 73,125,534 km (0.09 R)
• M70: 73,710,012 km (0.062 R)
• M71: 74,589,648 km (0.025 R)
• M72: 74,883,757 km (0.111 R)
• M73: 75,915,683 km (0.073 R)
• M74: 76,211,438 km (0.054 R)
• M75: 76,507,642 km (0.112 R)
• M76: 80,542,446 km (0.09 R)
• M77: 82,357,817 km (0.1 R)
• M78: 82,661,650 km (0.089 R)
• M79: 85,566,990 km (0.119 R)
• M80: 87,109,494 km (0.109 R)
• M81: 87,264,328 km (0.082 R)
• M82: 89,440,378 km (0.05 R)
• M83: 90,848,842 km (0.112 R)
• M84: 97,356,798 km (0.032 R)
• M85: 97,678,134 km (0.083 R)
• M86: 99,451,468 km (0.068 R)
• M87: 99,775,048 km (0.078 R)
• M88: 100,099,077 km (0.075 R)
• M89: 100,585,569 km (0.098 R)
• M90: 101,235,572 km (0.072 R)
• M91: 101,886,771 km (0.097 R)
• M92: 102,049,833 km (0.076 R)
• M93: 104,670,489 km (0.116 R)
• M94: 109,476,619 km (0.077 R)
• M95: 110,145,172 km (0.065 R)
• M96: 111,990,612 km (0.102 R)

Kuiper Belt

Range: 30.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 13,260 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit