🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.5

Radius: 8.6

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.72 AU - 0.82 AU

Year: 436 Days

Day: 7.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,727,016 km

• M1: 106,962 km (0.084 R)
• M2: 517,908 km (0.088 R)
• M3: 822,190 km (0.106 R)
• M4: 1,128,118 km (0.097 R)
• M5: 1,674,000 km (0.084 R)
• M6: 2,211,505 km (0.056 R)
• M7: 3,056,883 km (0.119 R)
• M8: 3,782,283 km (0.102 R)
• M9: 5,256,271 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.4

Radius: 8

Gravity: 12.88 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.03 AU - 1.55 AU

Year: 946 Days

Day: 10.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,727,016 km

• M1: 99,483 km (0.107 R)
• M2: 541,395 km (0.092 R)
• M3: 962,662 km (0.046 R)
• M4: 1,426,117 km (0.085 R)
• M5: 1,941,032 km (0.118 R)
• M6: 2,286,155 km (0.117 R)
• M7: 2,550,494 km (0.08 R)
• M8: 3,980,949 km (0.078 R)
• M9: 4,297,199 km (0.117 R)
• M10: 4,757,362 km (0.052 R)
• M11: 5,348,423 km (0.07 R)
• M12: 6,980,835 km (0.046 R)
• M13: 7,617,224 km (0.053 R)
• M14: 7,923,601 km (0.074 R)
• M15: 8,371,946 km (0.094 R)
• M16: 9,175,436 km (0.067 R)
• M17: 9,493,331 km (0.119 R)
• M18: 10,059,858 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.3

Radius: 12.7

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.04 AU - 1.58 AU

Year: 968 Days

Day: 5 Hours

Environment

Temp: -172 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 27,727,016 km

• M1: 157,975 km (0.091 R)
• M2: 752,178 km (0.104 R)
• M3: 3,710,925 km (0.033 R)
• M4: 4,439,466 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824

Radius: 12.3

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.06 AU - 2.46 AU

Year: 2194 Days

Day: 13 Hours

Environment

Temp: -186 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,727,016 km

• M1: 157,377 km (0.026 R)
• M2: 772,673 km (0.084 R)
• M3: 1,210,546 km (0.064 R)
• M4: 1,708,856 km (0.069 R)
• M5: 2,465,523 km (0.106 R)
• M6: 3,948,935 km (0.088 R)
• M7: 4,388,902 km (0.059 R)
• M8: 5,439,827 km (0.097 R)
• M9: 6,541,915 km (0.119 R)
• M10: 7,189,823 km (0.114 R)
• M11: 8,193,625 km (0.119 R)
• M12: 10,667,824 km (0.096 R)
• M13: 11,052,440 km (0.099 R)
• M14: 11,606,551 km (0.1 R)
• M15: 12,727,637 km (0.11 R)
• M16: 13,336,650 km (0.109 R)
• M17: 14,566,195 km (0.108 R)
• M18: 18,487,155 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.9

Radius: 12.6

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.41 AU - 2.55 AU

Year: 2522 Days

Day: 6.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,727,016 km

• M1: 157,078 km (0.116 R)
• M2: 552,315 km (0.092 R)
• M3: 958,025 km (0.058 R)
• M4: 1,719,179 km (0.073 R)
• M5: 2,121,597 km (0.116 R)
• M6: 3,138,563 km (0.108 R)
• M7: 3,602,167 km (0.118 R)
• M8: 4,111,697 km (0.063 R)
• M9: 4,647,407 km (0.083 R)
• M10: 5,394,499 km (0.079 R)
• M11: 6,760,328 km (0.083 R)
• M12: 7,185,934 km (0.057 R)
• M13: 7,659,710 km (0.075 R)
• M14: 8,059,884 km (0.08 R)
• M15: 12,957,120 km (0.057 R)
• M16: 14,669,717 km (0.074 R)
• M17: 16,225,086 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.2

Radius: 13.8

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.06 AU - 4.7 AU

Year: 5919 Days

Day: 7.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 27,727,016 km

• M1: 178,470 km (0.062 R)
• M2: 620,831 km (0.101 R)
• M3: 1,071,270 km (0.104 R)
• M4: 1,700,629 km (0.12 R)
• M5: 2,163,484 km (0.095 R)
• M6: 2,914,466 km (0.066 R)
• M7: 4,617,937 km (0.111 R)
• M8: 6,606,242 km (0.078 R)
• M9: 8,229,229 km (0.119 R)
• M10: 9,113,353 km (0.101 R)
• M11: 9,883,034 km (0.107 R)
• M12: 12,713,276 km (0.111 R)
• M13: 13,674,891 km (0.12 R)
• M14: 15,984,981 km (0.112 R)
• M15: 16,915,031 km (0.059 R)
• M16: 17,490,085 km (0.119 R)
• M17: 18,012,182 km (0.107 R)
• M18: 19,432,464 km (0.043 R)
• M19: 19,992,858 km (0.102 R)
• M20: 20,780,790 km (0.085 R)
• M21: 23,113,170 km (0.088 R)
• M22: 24,383,107 km (0.11 R)
• M23: 24,953,074 km (0.041 R)
• M24: 27,848,990 km (0.112 R)
• M25: 30,023,545 km (0.111 R)
• M26: 30,962,271 km (0.044 R)
• M27: 31,630,974 km (0.113 R)
• M28: 32,898,217 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.7

Radius: 12.8

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.1 AU - 4.86 AU

Year: 6123 Days

Day: 6.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,727,016 km

• M1: 159,920 km (0.106 R)
• M2: 654,939 km (0.105 R)
• M3: 1,392,607 km (0.045 R)
• M4: 2,101,252 km (0.11 R)
• M5: 2,555,880 km (0.071 R)
• M6: 3,227,125 km (0.086 R)
• M7: 4,240,202 km (0.079 R)
• M8: 5,210,943 km (0.101 R)
• M9: 6,385,884 km (0.115 R)
• M10: 7,556,637 km (0.11 R)
• M11: 9,254,872 km (0.112 R)
• M12: 11,240,036 km (0.104 R)
• M13: 12,260,742 km (0.114 R)
• M14: 18,754,337 km (0.109 R)
• M15: 20,865,163 km (0.103 R)
• M16: 23,203,079 km (0.116 R)
• M17: 23,720,538 km (0.053 R)
• M18: 24,170,378 km (0.093 R)
• M19: 24,778,793 km (0.082 R)
• M20: 26,026,439 km (0.083 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 12,979 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit