🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.51 AU - 0.51 AU

Year: 239 Days

Day: 46 Hours

Environment

Temp: -126 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.58 AU - 0.58 AU

Year: 290 Days

Day: 31.2 Hours

Environment

Temp: -116 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 65,438,777 km

• M1: 54,005 km (0.099 R)
• M2: 108,010 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.1

Radius: 8.5

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.9 AU - 1.2 AU

Year: 706 Days

Day: 7.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,438,777 km

• M1: 105,766 km (0.11 R)
• M2: 387,608 km (0.034 R)
• M3: 779,854 km (0.076 R)
• M4: 1,112,859 km (0.087 R)
• M5: 1,674,000 km (0.114 R)
• M6: 2,122,644 km (0.06 R)
• M7: 2,774,143 km (0.081 R)
• M8: 3,171,924 km (0.11 R)
• M9: 3,593,640 km (0.108 R)
• M10: 4,037,497 km (0.111 R)
• M11: 4,311,710 km (0.068 R)
• M12: 4,763,196 km (0.032 R)
• M13: 5,554,569 km (0.075 R)
• M14: 6,228,507 km (0.076 R)
• M15: 6,533,537 km (0.118 R)
• M16: 7,020,778 km (0.089 R)
• M17: 7,855,085 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.2

Radius: 10.2

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.99 AU - 1.17 AU

Year: 736 Days

Day: 7.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,438,777 km

• M1: 127,009 km (0.056 R)
• M2: 469,887 km (0.065 R)
• M3: 835,953 km (0.045 R)
• M4: 1,158,785 km (0.062 R)
• M5: 1,519,615 km (0.12 R)
• M6: 2,282,415 km (0.119 R)
• M7: 2,691,864 km (0.081 R)
• M8: 3,021,279 km (0.029 R)
• M9: 3,530,959 km (0.101 R)
• M10: 3,973,170 km (0.077 R)
• M11: 4,518,903 km (0.104 R)
• M12: 4,898,133 km (0.089 R)
• M13: 5,224,107 km (0.11 R)
• M14: 6,375,113 km (0.103 R)
• M15: 6,786,657 km (0.067 R)
• M16: 7,147,038 km (0.116 R)
• M17: 7,808,410 km (0.075 R)
• M18: 8,823,432 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.6

Radius: 4.6

Gravity: 43.65 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.56 AU - 7.5 AU

Year: 9714 Days

Day: 23.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,438,777 km

• M1: 57,146 km (0.077 R)
• M2: 312,061 km (0.053 R)
• M3: 1,514,828 km (0.111 R)
• M4: 1,821,803 km (0.071 R)
• M5: 2,007,753 km (0.094 R)
• M6: 2,281,667 km (0.073 R)
• M7: 2,538,825 km (0.094 R)
• M8: 2,771,301 km (0.05 R)
• M9: 4,182,158 km (0.115 R)
• M10: 4,976,523 km (0.108 R)
• M11: 5,239,965 km (0.074 R)
• M12: 6,311,684 km (0.116 R)
• M13: 6,778,579 km (0.091 R)
• M14: 8,317,791 km (0.055 R)
• M15: 8,501,946 km (0.08 R)
• M16: 9,266,391 km (0.096 R)
• M17: 10,821,162 km (0.09 R)
• M18: 12,184,148 km (0.102 R)
• M19: 14,304,997 km (0.108 R)
• M20: 14,770,396 km (0.113 R)
• M21: 15,177,153 km (0.083 R)
• M22: 15,661,102 km (0.055 R)
• M23: 16,155,373 km (0.116 R)
• M24: 17,928,856 km (0.117 R)
• M25: 22,563,099 km (0.071 R)
• M26: 22,921,835 km (0.107 R)
• M27: 24,300,678 km (0.119 R)
• M28: 26,720,124 km (0.071 R)
• M29: 28,039,428 km (0.106 R)
• M30: 31,918,650 km (0.11 R)
• M31: 33,403,110 km (0.103 R)
• M32: 34,575,808 km (0.045 R)
• M33: 41,118,770 km (0.091 R)
• M34: 43,424,522 km (0.109 R)
• M35: 50,856,395 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402.6

Radius: 5.7

Gravity: 12.39 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 8.44 AU - 11.6 AU

Year: 20807 Days

Day: 23.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 136.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,438,777 km

• M1: 71,657 km (0.071 R)
• M2: 386,411 km (0.09 R)
• M3: 855,849 km (0.107 R)
• M4: 1,129,464 km (0.114 R)
• M5: 1,445,265 km (0.1 R)
• M6: 1,943,875 km (0.109 R)
• M7: 2,528,354 km (0.049 R)
• M8: 2,849,540 km (0.083 R)
• M9: 3,743,388 km (0.062 R)
• M10: 6,988,315 km (0.112 R)
• M11: 8,589,910 km (0.099 R)
• M12: 10,478,732 km (0.063 R)
• M13: 12,240,397 km (0.1 R)
• M14: 21,358,686 km (0.081 R)
• M15: 30,734,733 km (0.106 R)
• M16: 31,934,059 km (0.109 R)
• M17: 43,413,452 km (0.083 R)
• M18: 46,620,830 km (0.066 R)
• M19: 47,883,137 km (0.115 R)
• M20: 51,974,489 km (0.062 R)
• M21: 56,470,354 km (0.092 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 16,821 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit