🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.1

Radius: 11.9

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.71 AU - 0.73 AU

Year: 422 Days

Day: 9.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,823,949 km

• M1: 147,952 km (0.092 R)
• M2: 526,136 km (0.065 R)
• M3: 925,113 km (0.039 R)
• M4: 1,324,390 km (0.108 R)
• M5: 1,952,103 km (0.106 R)
• M6: 2,452,807 km (0.114 R)
• M7: 3,897,025 km (0.082 R)
• M8: 4,788,329 km (0.097 R)
• M9: 5,162,024 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.1

Radius: 14.4

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.01 AU - 1.05 AU

Year: 722 Days

Day: 11.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,823,949 km

• M1: 180,415 km (0.12 R)
• M2: 670,797 km (0.118 R)
• M3: 1,214,286 km (0.079 R)
• M4: 1,685,519 km (0.109 R)
• M5: 2,264,463 km (0.097 R)
• M6: 2,742,578 km (0.092 R)
• M7: 3,266,470 km (0.046 R)
• M8: 4,326,221 km (0.078 R)
• M9: 4,862,828 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.6

Radius: 14.7

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.33 AU - 1.39 AU

Year: 1095 Days

Day: 6.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,823,949 km

• M1: 182,809 km (0.07 R)
• M2: 685,607 km (0.111 R)
• M3: 1,532,032 km (0.092 R)
• M4: 2,067,143 km (0.088 R)
• M5: 2,624,994 km (0.12 R)
• M6: 3,540,682 km (0.097 R)
• M7: 4,779,353 km (0.09 R)
• M8: 8,836,447 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120

Radius: 11.8

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.2 AU - 1.64 AU

Year: 1168 Days

Day: 13.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,823,949 km

• M1: 147,354 km (0.118 R)
• M2: 839,244 km (0.054 R)
• M3: 1,324,839 km (0.086 R)
• M4: 2,194,900 km (0.101 R)
• M5: 2,673,912 km (0.093 R)
• M6: 3,549,060 km (0.093 R)
• M7: 5,167,260 km (0.088 R)
• M8: 6,094,617 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932

Radius: 13.7

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.56 AU - 1.78 AU

Year: 1490 Days

Day: 5.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,823,949 km

• M1: 170,392 km (0.114 R)
• M2: 760,556 km (0.1 R)
• M3: 1,202,318 km (0.064 R)
• M4: 1,781,860 km (0.109 R)
• M5: 2,354,670 km (0.112 R)
• M6: 3,653,030 km (0.073 R)
• M7: 4,297,797 km (0.058 R)
• M8: 4,728,489 km (0.107 R)
• M9: 5,723,764 km (0.111 R)
• M10: 6,959,293 km (0.099 R)
• M11: 9,720,122 km (0.097 R)
• M12: 10,432,806 km (0.096 R)
• M13: 11,510,958 km (0.106 R)
• M14: 13,347,571 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.6

Radius: 10.5

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.12 AU - 5.12 AU

Year: 6854 Days

Day: 14.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,823,949 km

• M1: 130,749 km (0.041 R)
• M2: 488,138 km (0.068 R)
• M3: 906,114 km (0.057 R)
• M4: 1,332,169 km (0.107 R)
• M5: 1,747,752 km (0.05 R)
• M6: 2,518,480 km (0.1 R)
• M7: 3,066,308 km (0.076 R)
• M8: 3,399,462 km (0.093 R)
• M9: 4,024,332 km (0.091 R)
• M10: 4,498,558 km (0.074 R)
• M11: 5,616,951 km (0.082 R)
• M12: 5,998,276 km (0.08 R)
• M13: 7,771,161 km (0.055 R)
• M14: 9,171,995 km (0.116 R)
• M15: 11,185,732 km (0.032 R)
• M16: 11,602,512 km (0.096 R)
• M17: 12,615,588 km (0.109 R)
• M18: 13,067,524 km (0.041 R)
• M19: 14,488,105 km (0.082 R)
• M20: 17,202,558 km (0.061 R)
• M21: 19,168,125 km (0.105 R)
• M22: 24,149,135 km (0.096 R)
• M23: 24,924,651 km (0.105 R)
• M24: 25,796,956 km (0.082 R)
• M25: 26,936,293 km (0.104 R)
• M26: 27,518,379 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.8

Radius: 5.7

Gravity: 26.56 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 7.34 AU - 9.84 AU

Year: 17378 Days

Day: 21.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 74,823,949 km

• M1: 70,909 km (0.07 R)
• M2: 250,726 km (0.063 R)
• M3: 866,920 km (0.098 R)
• M4: 1,224,907 km (0.098 R)
• M5: 1,729,501 km (0.095 R)
• M6: 2,957,400 km (0.095 R)
• M7: 4,140,420 km (0.077 R)
• M8: 4,437,222 km (0.081 R)
• M9: 5,491,289 km (0.075 R)
• M10: 5,850,025 km (0.035 R)
• M11: 6,438,692 km (0.101 R)
• M12: 6,792,342 km (0.038 R)
• M13: 7,158,857 km (0.091 R)
• M14: 9,584,287 km (0.081 R)
• M15: 11,973,066 km (0.06 R)
• M16: 12,575,945 km (0.101 R)
• M17: 15,190,617 km (0.105 R)
• M18: 18,673,853 km (0.057 R)
• M19: 19,030,944 km (0.095 R)
• M20: 19,483,776 km (0.11 R)
• M21: 22,958,935 km (0.063 R)
• M22: 23,265,910 km (0.028 R)
• M23: 23,992,806 km (0.03 R)
• M24: 24,309,056 km (0.073 R)
• M25: 25,821,191 km (0.092 R)
• M26: 26,376,199 km (0.114 R)
• M27: 29,031,711 km (0.111 R)
• M28: 29,270,768 km (0.057 R)
• M29: 30,980,821 km (0.09 R)
• M30: 32,756,399 km (0.108 R)
• M31: 34,464,806 km (0.111 R)
• M32: 37,067,211 km (0.119 R)
• M33: 38,632,154 km (0.078 R)
• M34: 40,389,181 km (0.107 R)
• M35: 41,589,704 km (0.106 R)
• M36: 45,816,741 km (0.117 R)
• M37: 48,620,206 km (0.074 R)
• M38: 60,393,259 km (0.08 R)
• M39: 60,978,186 km (0.108 R)
• M40: 61,764,174 km (0.117 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 14,302 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit