🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.4

Radius: 11.3

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.77 AU - 1.17 AU

Year: 607 Days

Day: 13.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,203,656 km

• M1: 140,472 km (0.102 R)
• M2: 529,576 km (0.074 R)
• M3: 1,500,018 km (0.047 R)
• M4: 1,861,297 km (0.106 R)
• M5: 2,232,748 km (0.05 R)
• M6: 3,498,047 km (0.064 R)
• M7: 5,403,325 km (0.074 R)
• M8: 6,549,245 km (0.108 R)
• M9: 7,577,431 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.7

Radius: 8

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.88 AU - 1.28 AU

Year: 714 Days

Day: 10.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,203,656 km

• M1: 99,632 km (0.111 R)
• M2: 377,286 km (0.111 R)
• M3: 742,005 km (0.075 R)
• M4: 1,025,942 km (0.114 R)
• M5: 1,329,177 km (0.114 R)
• M6: 1,645,427 km (0.093 R)
• M7: 1,932,655 km (0.095 R)
• M8: 2,361,253 km (0.113 R)
• M9: 2,886,192 km (0.119 R)
• M10: 3,486,827 km (0.119 R)
• M11: 4,051,110 km (0.092 R)
• M12: 4,332,504 km (0.096 R)
• M13: 4,595,347 km (0.114 R)
• M14: 5,239,067 km (0.067 R)
• M15: 5,628,021 km (0.059 R)
• M16: 5,922,729 km (0.099 R)
• M17: 6,644,240 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.4

Radius: 14.6

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.23 AU - 1.53 AU

Year: 1031 Days

Day: 10 Hours

Environment

Temp: -179 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,203,656 km

• M1: 181,612 km (0.074 R)
• M2: 641,176 km (0.107 R)
• M3: 1,773,483 km (0.086 R)
• M4: 2,823,211 km (0.076 R)
• M5: 3,517,794 km (0.093 R)
• M6: 4,020,443 km (0.083 R)
• M7: 4,772,322 km (0.107 R)
• M8: 5,291,127 km (0.108 R)
• M9: 5,955,042 km (0.104 R)
• M10: 7,176,958 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.9

Radius: 8.6

Gravity: 11.76 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.37 AU - 3.17 AU

Year: 2931 Days

Day: 14.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,203,656 km

• M1: 109,356 km (0.055 R)
• M2: 418,126 km (0.089 R)
• M3: 882,328 km (0.107 R)
• M4: 1,299,557 km (0.075 R)
• M5: 1,587,981 km (0.114 R)
• M6: 2,212,253 km (0.081 R)
• M7: 2,612,428 km (0.068 R)
• M8: 3,405,895 km (0.088 R)
• M9: 3,983,343 km (0.091 R)
• M10: 4,647,707 km (0.114 R)
• M11: 5,055,959 km (0.034 R)
• M12: 5,646,123 km (0.077 R)
• M13: 5,916,745 km (0.113 R)
• M14: 6,484,170 km (0.067 R)
• M15: 7,960,252 km (0.077 R)
• M16: 8,723,052 km (0.032 R)
• M17: 9,196,230 km (0.105 R)
• M18: 10,393,761 km (0.05 R)
• M19: 15,119,408 km (0.118 R)
• M20: 18,385,578 km (0.085 R)
• M21: 21,172,437 km (0.047 R)
• M22: 21,827,975 km (0.102 R)
• M23: 22,362,039 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.3

Radius: 12.3

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.27 AU - 5.37 AU

Year: 7802 Days

Day: 5.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,203,656 km

• M1: 154,684 km (0.109 R)
• M2: 689,796 km (0.03 R)
• M3: 2,351,828 km (0.081 R)
• M4: 2,838,171 km (0.108 R)
• M5: 5,774,179 km (0.064 R)
• M6: 6,326,045 km (0.095 R)
• M7: 7,092,585 km (0.025 R)
• M8: 7,573,991 km (0.115 R)
• M9: 8,077,088 km (0.042 R)
• M10: 10,131,366 km (0.073 R)
• M11: 10,552,335 km (0.102 R)
• M12: 12,460,156 km (0.066 R)
• M13: 14,236,930 km (0.119 R)
• M14: 17,475,574 km (0.113 R)
• M15: 21,865,823 km (0.107 R)
• M16: 25,369,555 km (0.055 R)
• M17: 31,747,211 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466

Radius: 7.8

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.85 AU - 7.51 AU

Year: 9768 Days

Day: 18.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,203,656 km

• M1: 111,750 km (0.054 R)
• M2: 587,770 km (0.072 R)
• M3: 986,598 km (0.071 R)
• M4: 1,625,979 km (0.112 R)
• M5: 2,591,185 km (0.086 R)
• M6: 3,388,990 km (0.118 R)
• M7: 4,260,099 km (0.089 R)
• M8: 5,397,940 km (0.099 R)
• M9: 6,226,563 km (0.113 R)
• M10: 6,873,723 km (0.118 R)
• M11: 9,728,350 km (0.099 R)
• M12: 10,254,336 km (0.038 R)
• M13: 10,698,791 km (0.108 R)
• M14: 13,347,421 km (0.12 R)
• M15: 14,360,049 km (0.086 R)
• M16: 14,605,689 km (0.093 R)
• M17: 15,745,625 km (0.061 R)
• M18: 18,561,655 km (0.075 R)
• M19: 18,853,072 km (0.081 R)
• M20: 19,821,867 km (0.043 R)
• M21: 21,376,339 km (0.118 R)
• M22: 22,347,080 km (0.116 R)
• M23: 26,802,553 km (0.081 R)
• M24: 36,387,737 km (0.094 R)
• M25: 40,272,794 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465

Radius: 5.2

Gravity: 17.2 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.22 AU - 9.04 AU

Year: 13400 Days

Day: 19.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,203,656 km

• M1: 79,436 km (0.061 R)
• M2: 348,264 km (0.104 R)
• M3: 1,163,423 km (0.077 R)
• M4: 1,377,497 km (0.041 R)
• M5: 3,264,525 km (0.052 R)
• M6: 4,571,113 km (0.107 R)
• M7: 4,818,547 km (0.094 R)
• M8: 7,464,635 km (0.078 R)
• M9: 11,445,434 km (0.061 R)
• M10: 12,791,067 km (0.119 R)
• M11: 15,932,472 km (0.074 R)
• M12: 18,914,556 km (0.106 R)
• M13: 19,876,919 km (0.107 R)
• M14: 20,287,416 km (0.115 R)
• M15: 25,087,114 km (0.112 R)
• M16: 27,242,071 km (0.077 R)
• M17: 31,359,753 km (0.12 R)
• M18: 32,365,499 km (0.06 R)
• M19: 38,095,547 km (0.081 R)
• M20: 38,474,628 km (0.074 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: 221 - 14,278 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit