🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.27 AU - 1.31 AU

Year: 510 Days

Day: 37.6 Hours

Environment

Temp: 20 °C

Axial Tilt: 13.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.79 AU - 2.41 AU

Year: 1060 Days

Day: 16.3 Hours

Environment

Temp: -59 °C

Axial Tilt: 78.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,739,416 km

• M1: 1,269,787 km (0.089 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.88 AU - 2.56 AU

Year: 1152 Days

Day: 35 Hours

Environment

Temp: -55 °C

Axial Tilt: 46.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,739,416 km

• M1: 1,603,091 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.72 AU - 2.8 AU

Year: 1183 Days

Day: 29.3 Hours

Environment

Temp: -62 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.22 AU - 3.12 AU

Year: 1519 Days

Day: 24 Hours

Environment

Temp: -71 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.45 AU - 4.25 AU

Year: 2631 Days

Day: 20.8 Hours

Environment

Temp: -118 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.22 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 12.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.2

Radius: 10.7

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 12.57 AU - 12.59 AU

Year: 15539 Days

Day: 6.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 73,739,416 km

• M1: 193,729 km (0.091 R)
• M2: 275,858 km (0.106 R)
• M3: 400,922 km (0.112 R)
• M4: 523,593 km (0.062 R)
• M5: 689,945 km (0.04 R)
• M6: 858,692 km (0.104 R)
• M7: 1,201,271 km (0.114 R)
• M8: 1,350,121 km (0.099 R)
• M9: 1,466,059 km (0.079 R)
• M10: 1,625,830 km (0.051 R)
• M11: 1,728,753 km (0.11 R)
• M12: 1,898,098 km (0.096 R)
• M13: 2,073,127 km (0.071 R)
• M14: 2,207,915 km (0.04 R)
• M15: 2,299,469 km (0.042 R)
• M16: 2,439,193 km (0.092 R)
• M17: 2,581,760 km (0.06 R)
• M18: 3,051,797 km (0.115 R)
• M19: 3,205,882 km (0.105 R)
• M20: 3,362,511 km (0.119 R)
• M21: 3,441,798 km (0.117 R)
• M22: 3,738,002 km (0.106 R)
• M23: 4,470,882 km (0.042 R)
• M24: 4,705,451 km (0.095 R)
• M25: 5,186,409 km (0.093 R)
• M26: 5,371,012 km (0.084 R)
• M27: 6,260,521 km (0.113 R)
• M28: 6,689,119 km (0.114 R)
• M29: 6,991,307 km (0.112 R)
• M30: 7,127,142 km (0.055 R)
• M31: 7,925,097 km (0.118 R)
• M32: 8,971,235 km (0.089 R)
• M33: 10,835,673 km (0.115 R)
• M34: 10,993,050 km (0.052 R)
• M35: 11,509,911 km (0.098 R)
• M36: 12,732,574 km (0.064 R)
• M37: 13,655,294 km (0.115 R)
• M38: 13,782,751 km (0.114 R)
• M39: 14,253,685 km (0.036 R)
• M40: 15,167,279 km (0.103 R)
• M41: 15,564,611 km (0.104 R)
• M42: 16,777,252 km (0.067 R)
• M43: 17,188,347 km (0.117 R)
• M44: 17,695,035 km (0.06 R)
• M45: 17,973,586 km (0.067 R)
• M46: 18,160,134 km (0.117 R)
• M47: 18,347,132 km (0.102 R)
• M48: 18,817,767 km (0.095 R)
• M49: 19,244,868 km (0.109 R)
• M50: 19,867,196 km (0.092 R)
• M51: 20,886,556 km (0.082 R)
• M52: 21,873,153 km (0.086 R)
• M53: 22,122,234 km (0.037 R)
• M54: 22,322,097 km (0.11 R)
• M55: 22,522,558 km (0.1 R)
• M56: 22,774,032 km (0.047 R)
• M57: 23,789,203 km (0.105 R)
• M58: 25,706,001 km (0.093 R)
• M59: 25,863,677 km (0.074 R)
• M60: 26,126,969 km (0.099 R)
• M61: 26,444,266 km (0.117 R)
• M62: 27,941,441 km (0.087 R)
• M63: 28,103,456 km (0.108 R)
• M64: 28,319,924 km (0.086 R)
• M65: 28,863,712 km (0.082 R)
• M66: 29,356,189 km (0.057 R)
• M67: 30,627,022 km (0.043 R)
• M68: 30,905,574 km (0.092 R)
• M69: 31,073,273 km (0.081 R)
• M70: 31,353,171 km (0.096 R)
• M71: 31,577,867 km (0.088 R)
• M72: 31,746,613 km (0.102 R)
• M73: 32,595,132 km (0.081 R)
• M74: 33,336,689 km (0.108 R)
• M75: 33,565,873 km (0.094 R)
• M76: 35,535,628 km (0.106 R)
• M77: 36,593,584 km (0.039 R)
• M78: 36,948,430 km (0.092 R)
• M79: 38,259,655 km (0.066 R)
• M80: 39,950,411 km (0.107 R)
• M81: 40,437,950 km (0.06 R)
• M82: 40,804,914 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.2

Radius: 6.7

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 18.82 AU - 22.86 AU

Year: 33131 Days

Day: 17.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 162.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 73,739,416 km

• M1: 85,720 km (0.113 R)
• M2: 192,532 km (0.037 R)
• M3: 374,443 km (0.069 R)
• M4: 428,448 km (0.096 R)
• M5: 982,110 km (0.102 R)
• M6: 1,332,169 km (0.059 R)
• M7: 1,506,301 km (0.112 R)
• M8: 1,973,495 km (0.103 R)
• M9: 2,881,255 km (0.119 R)
• M10: 3,183,443 km (0.08 R)
• M11: 3,260,635 km (0.092 R)
• M12: 3,456,309 km (0.099 R)
• M13: 3,615,781 km (0.09 R)
• M14: 4,930,447 km (0.084 R)
• M15: 5,064,935 km (0.109 R)
• M16: 5,155,292 km (0.061 R)
• M17: 5,521,807 km (0.111 R)
• M18: 6,328,439 km (0.03 R)
• M19: 8,581,532 km (0.11 R)
• M20: 9,070,268 km (0.074 R)
• M21: 9,235,125 km (0.118 R)
• M22: 9,456,530 km (0.057 R)
• M23: 9,679,730 km (0.092 R)
• M24: 11,290,002 km (0.073 R)
• M25: 12,186,243 km (0.083 R)
• M26: 12,612,297 km (0.106 R)
• M27: 12,919,571 km (0.083 R)
• M28: 13,291,771 km (0.092 R)
• M29: 13,541,749 km (0.109 R)
• M30: 16,059,331 km (0.09 R)
• M31: 16,325,616 km (0.066 R)
• M32: 16,930,141 km (0.06 R)
• M33: 16,997,609 km (0.112 R)
• M34: 19,917,461 km (0.094 R)
• M35: 19,988,819 km (0.091 R)
• M36: 21,142,517 km (0.065 R)
• M37: 21,654,142 km (0.046 R)
• M38: 22,169,806 km (0.105 R)
• M39: 23,665,186 km (0.051 R)
• M40: 23,968,122 km (0.085 R)
• M41: 25,192,880 km (0.047 R)
• M42: 25,735,023 km (0.101 R)
• M43: 25,890,604 km (0.118 R)
• M44: 25,968,545 km (0.104 R)
• M45: 26,281,055 km (0.115 R)
• M46: 26,673,450 km (0.066 R)
• M47: 27,305,351 km (0.058 R)
• M48: 30,126,917 km (0.101 R)
• M49: 31,447,417 km (0.108 R)
• M50: 32,786,767 km (0.085 R)
• M51: 35,088,629 km (0.11 R)
• M52: 36,914,771 km (0.084 R)
• M53: 38,060,690 km (0.081 R)
• M54: 38,238,113 km (0.106 R)
• M55: 38,504,547 km (0.055 R)
• M56: 38,682,569 km (0.065 R)
• M57: 40,206,672 km (0.092 R)
• M58: 41,567,713 km (0.1 R)
• M59: 42,943,864 km (0.084 R)
• M60: 43,036,166 km (0.065 R)
• M61: 45,646,499 km (0.109 R)
• M62: 46,306,974 km (0.064 R)
• M63: 46,401,669 km (0.112 R)
• M64: 48,403,588 km (0.108 R)
• M65: 49,753,709 km (0.107 R)
• M66: 50,336,243 km (0.058 R)
• M67: 51,507,893 km (0.104 R)
• M68: 51,704,016 km (0.098 R)
• M69: 52,097,159 km (0.109 R)
• M70: 54,176,869 km (0.107 R)
• M71: 54,476,214 km (0.087 R)
• M72: 55,678,981 km (0.111 R)
• M73: 56,182,677 km (0.105 R)
• M74: 56,485,613 km (0.119 R)
• M75: 56,991,852 km (0.101 R)
• M76: 57,093,130 km (0.095 R)
• M77: 57,397,711 km (0.03 R)
• M78: 57,702,891 km (0.105 R)
• M79: 57,804,767 km (0.09 R)
• M80: 57,906,643 km (0.083 R)
• M81: 61,926,787 km (0.07 R)
• M82: 62,344,165 km (0.084 R)
• M83: 62,867,159 km (0.114 R)
• M84: 64,128,418 km (0.049 R)
• M85: 64,339,501 km (0.085 R)
• M86: 65,185,926 km (0.098 R)
• M87: 65,610,485 km (0.079 R)
• M88: 67,962,013 km (0.107 R)
• M89: 68,823,996 km (0.091 R)
• M90: 70,341,068 km (0.034 R)
• M91: 73,297,870 km (0.117 R)

Kuiper Belt

Range: 31.5 - 52.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 18,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit