🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.4

Radius: 14.9

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.62 AU - 0.9 AU

Year: 466 Days

Day: 9.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,358,371 km

• M1: 185,352 km (0.11 R)
• M2: 757,564 km (0.085 R)
• M3: 1,301,950 km (0.107 R)
• M4: 1,832,125 km (0.071 R)
• M5: 2,523,417 km (0.109 R)
• M6: 3,013,500 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.9

Radius: 10.2

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.96 AU - 1.06 AU

Year: 713 Days

Day: 10.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,358,371 km

• M1: 127,757 km (0.119 R)
• M2: 520,301 km (0.091 R)
• M3: 992,731 km (0.117 R)
• M4: 1,338,602 km (0.035 R)
• M5: 1,742,965 km (0.094 R)
• M6: 2,074,623 km (0.115 R)
• M7: 2,569,792 km (0.103 R)
• M8: 3,189,875 km (0.097 R)
• M9: 3,691,776 km (0.11 R)
• M10: 4,102,273 km (0.114 R)
• M11: 4,527,879 km (0.069 R)
• M12: 4,902,173 km (0.094 R)
• M13: 5,485,305 km (0.079 R)
• M14: 6,397,852 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.6

Radius: 14.1

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.03 AU - 1.15 AU

Year: 800 Days

Day: 14.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,358,371 km

• M1: 175,777 km (0.104 R)
• M2: 705,952 km (0.034 R)
• M3: 1,318,107 km (0.063 R)
• M4: 2,310,689 km (0.09 R)
• M5: 2,834,730 km (0.1 R)
• M6: 3,327,356 km (0.048 R)
• M7: 4,471,032 km (0.104 R)
• M8: 4,942,115 km (0.115 R)
• M9: 5,602,291 km (0.102 R)
• M10: 6,299,566 km (0.107 R)
• M11: 6,916,658 km (0.111 R)
• M12: 7,598,225 km (0.112 R)
• M13: 8,690,888 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.2

Radius: 12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.21 AU - 1.27 AU

Year: 971 Days

Day: 9.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,358,371 km

• M1: 149,299 km (0.068 R)
• M2: 545,434 km (0.092 R)
• M3: 1,090,120 km (0.08 R)
• M4: 1,533,378 km (0.092 R)
• M5: 2,080,607 km (0.074 R)
• M6: 2,554,683 km (0.105 R)
• M7: 3,111,935 km (0.101 R)
• M8: 3,635,079 km (0.074 R)
• M9: 4,258,154 km (0.104 R)
• M10: 4,767,684 km (0.11 R)
• M11: 5,284,994 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.7

Radius: 14.7

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.37 AU - 2.28 AU

Year: 1726 Days

Day: 9.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,358,371 km

• M1: 183,108 km (0.077 R)
• M2: 670,797 km (0.12 R)
• M3: 1,373,608 km (0.09 R)
• M4: 2,066,844 km (0.067 R)
• M5: 4,692,736 km (0.113 R)
• M6: 5,246,248 km (0.112 R)
• M7: 5,740,669 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.1

Radius: 11.7

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.38 AU - 3.94 AU

Year: 3949 Days

Day: 12.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,358,371 km

• M1: 145,559 km (0.088 R)
• M2: 556,504 km (0.044 R)
• M3: 1,007,392 km (0.118 R)
• M4: 1,372,710 km (0.06 R)
• M5: 1,931,907 km (0.089 R)
• M6: 2,401,345 km (0.117 R)
• M7: 3,036,238 km (0.081 R)
• M8: 3,433,421 km (0.086 R)
• M9: 3,843,917 km (0.108 R)
• M10: 5,855,410 km (0.119 R)
• M11: 6,505,712 km (0.08 R)
• M12: 7,138,062 km (0.045 R)
• M13: 7,985,834 km (0.117 R)
• M14: 10,462,127 km (0.099 R)
• M15: 10,934,258 km (0.073 R)
• M16: 12,294,551 km (0.114 R)
• M17: 13,311,967 km (0.094 R)
• M18: 14,542,259 km (0.107 R)
• M19: 18,813,578 km (0.088 R)
• M20: 20,427,589 km (0.085 R)
• M21: 22,202,119 km (0.108 R)
• M22: 25,435,976 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.8

Radius: 11

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.09 AU - 3.31 AU

Year: 4024 Days

Day: 14.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,358,371 km

• M1: 136,732 km (0.097 R)
• M2: 696,976 km (0.096 R)
• M3: 1,344,286 km (0.085 R)
• M4: 1,853,218 km (0.1 R)
• M5: 2,347,490 km (0.083 R)
• M6: 2,993,603 km (0.103 R)
• M7: 3,511,810 km (0.05 R)
• M8: 4,864,773 km (0.056 R)
• M9: 9,044,837 km (0.056 R)
• M10: 10,667,675 km (0.116 R)
• M11: 11,182,142 km (0.097 R)
• M12: 11,963,940 km (0.084 R)
• M13: 13,636,594 km (0.067 R)
• M14: 14,481,074 km (0.053 R)
• M15: 16,482,245 km (0.118 R)
• M16: 17,494,723 km (0.097 R)
• M17: 19,879,163 km (0.05 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.6

Radius: 9.6

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.39 AU - 5.29 AU

Year: 6355 Days

Day: 6.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 34,358,371 km

• M1: 119,678 km (0.098 R)
• M2: 928,853 km (0.082 R)
• M3: 1,262,456 km (0.045 R)
• M4: 1,743,563 km (0.104 R)
• M5: 2,692,462 km (0.041 R)
• M6: 3,539,785 km (0.114 R)
• M7: 4,001,444 km (0.056 R)
• M8: 4,714,876 km (0.098 R)
• M9: 7,009,259 km (0.107 R)
• M10: 7,552,000 km (0.115 R)
• M11: 8,044,925 km (0.09 R)
• M12: 8,762,546 km (0.071 R)
• M13: 9,962,919 km (0.079 R)
• M14: 12,167,992 km (0.114 R)
• M15: 13,438,975 km (0.08 R)
• M16: 13,825,835 km (0.042 R)
• M17: 14,621,845 km (0.086 R)
• M18: 15,629,088 km (0.113 R)
• M19: 16,242,888 km (0.074 R)
• M20: 17,193,582 km (0.114 R)
• M21: 18,248,098 km (0.103 R)
• M22: 18,722,772 km (0.066 R)
• M23: 20,631,192 km (0.064 R)
• M24: 21,519,654 km (0.098 R)
• M25: 23,056,772 km (0.088 R)
• M26: 23,691,815 km (0.104 R)
• M27: 24,501,738 km (0.044 R)
• M28: 27,659,749 km (0.114 R)
• M29: 30,128,712 km (0.088 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 17,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit