🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.8

Radius: 13.4

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.74 AU - 0.96 AU

Year: 541 Days

Day: 8.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 40,433,056 km

• M1: 166,951 km (0.093 R)
• M2: 973,733 km (0.073 R)
• M3: 1,414,897 km (0.051 R)
• M4: 2,011,044 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.2

Radius: 13.3

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.78 AU - 0.94 AU

Year: 551 Days

Day: 11.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,433,056 km

• M1: 165,455 km (0.118 R)
• M2: 1,027,588 km (0.118 R)
• M3: 1,454,241 km (0.052 R)
• M4: 1,933,403 km (0.05 R)
• M5: 2,876,917 km (0.085 R)
• M6: 3,295,043 km (0.113 R)
• M7: 4,107,808 km (0.11 R)
• M8: 4,641,274 km (0.079 R)
• M9: 6,229,106 km (0.101 R)
• M10: 6,935,956 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.8

Radius: 9.1

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.84 AU - 1.38 AU

Year: 807 Days

Day: 6.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,433,056 km

• M1: 113,246 km (0.108 R)
• M2: 448,195 km (0.064 R)
• M3: 858,692 km (0.098 R)
• M4: 1,148,912 km (0.073 R)
• M5: 1,672,654 km (0.088 R)
• M6: 2,272,691 km (0.095 R)
• M7: 2,957,700 km (0.089 R)
• M8: 3,638,220 km (0.117 R)
• M9: 3,992,019 km (0.118 R)
• M10: 4,301,537 km (0.08 R)
• M11: 4,895,740 km (0.1 R)
• M12: 5,971,648 km (0.076 R)
• M13: 7,658,214 km (0.074 R)
• M14: 9,130,108 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.5

Radius: 13.3

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.37 AU - 2.05 AU

Year: 1543 Days

Day: 8.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,433,056 km

• M1: 165,455 km (0.12 R)
• M2: 724,502 km (0.065 R)
• M3: 1,148,164 km (0.096 R)
• M4: 1,614,161 km (0.112 R)
• M5: 2,457,743 km (0.098 R)
• M6: 2,876,019 km (0.1 R)
• M7: 4,429,144 km (0.117 R)
• M8: 5,411,105 km (0.12 R)
• M9: 6,174,353 km (0.102 R)
• M10: 6,606,840 km (0.098 R)
• M11: 7,832,795 km (0.03 R)
• M12: 8,340,680 km (0.073 R)
• M13: 12,122,963 km (0.116 R)
• M14: 12,997,661 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.7

Radius: 10.7

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.71 AU - 1.83 AU

Year: 1625 Days

Day: 11.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 129.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,433,056 km

• M1: 133,142 km (0.104 R)
• M2: 663,915 km (0.094 R)
• M3: 1,020,856 km (0.109 R)
• M4: 1,378,096 km (0.089 R)
• M5: 2,229,906 km (0.081 R)
• M6: 2,649,827 km (0.058 R)
• M7: 4,132,342 km (0.092 R)
• M8: 4,694,381 km (0.119 R)
• M9: 5,515,075 km (0.103 R)
• M10: 6,243,168 km (0.103 R)
• M11: 7,337,626 km (0.117 R)
• M12: 10,677,997 km (0.086 R)
• M13: 11,666,988 km (0.104 R)
• M14: 12,201,950 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.9

Radius: 8.2

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.8 AU - 2.28 AU

Year: 2011 Days

Day: 6.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,433,056 km

• M1: 102,026 km (0.054 R)
• M2: 433,385 km (0.113 R)
• M3: 711,338 km (0.108 R)
• M4: 1,001,259 km (0.08 R)
• M5: 1,559,259 km (0.057 R)
• M6: 2,048,892 km (0.12 R)
• M7: 2,665,984 km (0.08 R)
• M8: 3,121,060 km (0.066 R)
• M9: 3,644,653 km (0.073 R)
• M10: 4,128,004 km (0.053 R)
• M11: 4,590,560 km (0.12 R)
• M12: 5,042,795 km (0.113 R)
• M13: 5,524,201 km (0.077 R)
• M14: 8,373,591 km (0.067 R)
• M15: 9,282,249 km (0.102 R)
• M16: 11,294,490 km (0.087 R)
• M17: 12,443,252 km (0.062 R)
• M18: 12,898,777 km (0.061 R)
• M19: 14,377,253 km (0.11 R)
• M20: 15,157,406 km (0.11 R)
• M21: 15,772,851 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.4

Radius: 4.7

Gravity: 21.43 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.65 AU - 6.69 AU

Year: 9319 Days

Day: 24.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 40,433,056 km

• M1: 58,493 km (0.095 R)
• M2: 220,806 km (0.1 R)
• M3: 853,157 km (0.106 R)
• M4: 1,137,692 km (0.057 R)
• M5: 1,673,551 km (0.11 R)
• M6: 1,957,937 km (0.094 R)
• M7: 2,642,497 km (0.029 R)
• M8: 2,800,622 km (0.063 R)
• M9: 3,201,843 km (0.118 R)
• M10: 3,544,871 km (0.083 R)
• M11: 4,303,931 km (0.107 R)
• M12: 4,579,640 km (0.096 R)
• M13: 4,750,630 km (0.092 R)
• M14: 5,541,255 km (0.116 R)
• M15: 5,801,256 km (0.084 R)
• M16: 7,895,327 km (0.117 R)
• M17: 8,350,553 km (0.096 R)
• M18: 8,606,066 km (0.103 R)
• M19: 9,358,544 km (0.038 R)
• M20: 10,105,935 km (0.051 R)
• M21: 10,741,875 km (0.095 R)
• M22: 12,978,812 km (0.093 R)
• M23: 14,448,013 km (0.114 R)
• M24: 16,221,047 km (0.105 R)
• M25: 16,753,166 km (0.109 R)
• M26: 18,998,032 km (0.119 R)
• M27: 19,813,939 km (0.107 R)
• M28: 22,238,322 km (0.079 R)
• M29: 22,647,023 km (0.112 R)
• M30: 24,332,094 km (0.079 R)
• M31: 27,760,578 km (0.094 R)
• M32: 28,044,215 km (0.11 R)
• M33: 28,810,156 km (0.061 R)
• M34: 34,022,894 km (0.078 R)
• M35: 38,996,874 km (0.049 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 11,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit