🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.6

Radius: 12.3

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.49 AU - 0.71 AU

Year: 321 Days

Day: 7.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,049,995 km

• M1: 153,338 km (0.06 R)
• M2: 546,780 km (0.093 R)
• M3: 945,159 km (0.099 R)
• M4: 1,529,489 km (0.076 R)
• M5: 1,971,251 km (0.114 R)
• M6: 2,356,166 km (0.11 R)
• M7: 2,841,462 km (0.114 R)
• M8: 3,902,709 km (0.045 R)
• M9: 4,813,012 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.1

Radius: 10.2

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.85 AU - 1.25 AU

Year: 743 Days

Day: 7 Hours

Environment

Temp: -186 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,049,995 km

• M1: 126,859 km (0.113 R)
• M2: 475,422 km (0.05 R)
• M3: 882,478 km (0.091 R)
• M4: 1,263,504 km (0.025 R)
• M5: 1,971,700 km (0.112 R)
• M6: 2,735,247 km (0.118 R)
• M7: 3,279,185 km (0.101 R)
• M8: 4,189,339 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.9

Radius: 14.2

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.28 AU - 1.88 AU

Year: 1371 Days

Day: 14 Hours

Environment

Temp: -187 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,049,995 km

• M1: 176,525 km (0.074 R)
• M2: 1,133,503 km (0.066 R)
• M3: 1,870,572 km (0.054 R)
• M4: 2,323,105 km (0.09 R)
• M5: 4,018,648 km (0.045 R)
• M6: 5,348,722 km (0.068 R)
• M7: 6,746,864 km (0.096 R)
• M8: 7,433,369 km (0.059 R)
• M9: 8,192,129 km (0.077 R)
• M10: 9,924,323 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.2

Radius: 11.6

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.66 AU - 2.3 AU

Year: 1923 Days

Day: 10.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,049,995 km

• M1: 144,960 km (0.078 R)
• M2: 704,756 km (0.117 R)
• M3: 1,151,156 km (0.094 R)
• M4: 1,561,951 km (0.053 R)
• M5: 2,181,436 km (0.099 R)
• M6: 2,705,328 km (0.104 R)
• M7: 3,100,266 km (0.086 R)
• M8: 3,802,179 km (0.114 R)
• M9: 4,586,372 km (0.113 R)
• M10: 4,995,223 km (0.103 R)
• M11: 5,690,553 km (0.054 R)
• M12: 6,061,855 km (0.064 R)
• M13: 7,892,784 km (0.072 R)
• M14: 8,609,956 km (0.053 R)
• M15: 9,302,295 km (0.095 R)
• M16: 9,714,287 km (0.039 R)
• M17: 13,507,491 km (0.11 R)
• M18: 16,591,152 km (0.106 R)
• M19: 17,096,194 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.7

Radius: 12.8

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.97 AU - 4.11 AU

Year: 5605 Days

Day: 5.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,049,995 km

• M1: 160,818 km (0.114 R)
• M2: 593,305 km (0.102 R)
• M3: 2,111,424 km (0.082 R)
• M4: 2,825,455 km (0.059 R)
• M5: 4,204,897 km (0.04 R)
• M6: 9,236,921 km (0.037 R)
• M7: 9,762,757 km (0.103 R)
• M8: 14,023,005 km (0.117 R)
• M9: 17,245,643 km (0.105 R)
• M10: 24,804,673 km (0.064 R)
• M11: 27,692,062 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.3

Radius: 9.3

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.93 AU - 5.45 AU

Year: 7011 Days

Day: 9.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,049,995 km

• M1: 638,933 km (0.075 R)
• M2: 1,427,762 km (0.048 R)
• M3: 1,812,977 km (0.101 R)
• M4: 2,429,918 km (0.088 R)
• M5: 3,475,009 km (0.094 R)
• M6: 8,036,398 km (0.094 R)
• M7: 11,155,064 km (0.063 R)
• M8: 13,875,502 km (0.114 R)
• M9: 14,619,153 km (0.093 R)
• M10: 15,242,677 km (0.065 R)
• M11: 16,594,443 km (0.106 R)
• M12: 17,273,019 km (0.117 R)
• M13: 17,807,383 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.2

Radius: 3.9

Gravity: 13.62 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.23 AU - 7.01 AU

Year: 9196 Days

Day: 24.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,049,995 km

• M1: 48,470 km (0.049 R)
• M2: 291,566 km (0.063 R)
• M3: 885,320 km (0.093 R)
• M4: 1,180,477 km (0.11 R)
• M5: 2,157,650 km (0.061 R)
• M6: 2,583,854 km (0.058 R)
• M7: 3,182,545 km (0.04 R)
• M8: 3,345,607 km (0.114 R)
• M9: 4,031,214 km (0.108 R)
• M10: 4,912,345 km (0.077 R)
• M11: 6,910,225 km (0.106 R)
• M12: 7,536,890 km (0.115 R)
• M13: 8,314,799 km (0.079 R)
• M14: 9,770,387 km (0.08 R)
• M15: 12,660,917 km (0.108 R)
• M16: 12,967,742 km (0.08 R)
• M17: 17,356,495 km (0.053 R)
• M18: 26,425,716 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.4

Radius: 6.9

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.36 AU - 11.8 AU

Year: 20467 Days

Day: 19.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,049,995 km

• M1: 85,869 km (0.118 R)
• M2: 491,279 km (0.067 R)
• M3: 2,027,350 km (0.066 R)
• M4: 3,660,510 km (0.111 R)
• M5: 4,554,806 km (0.064 R)
• M6: 5,331,369 km (0.098 R)
• M7: 6,841,559 km (0.092 R)
• M8: 11,086,399 km (0.101 R)
• M9: 13,871,463 km (0.031 R)
• M10: 14,915,656 km (0.032 R)
• M11: 29,371,148 km (0.079 R)
• M12: 35,275,328 km (0.096 R)
• M13: 40,189,767 km (0.096 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: 453 - 13,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit