🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.8

Radius: 14.7

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.58 AU - 0.58 AU

Year: 305 Days

Day: 8.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,805,942 km

• M1: 182,809 km (0.118 R)
• M2: 811,419 km (0.104 R)
• M3: 1,288,786 km (0.101 R)
• M4: 1,835,715 km (0.09 R)
• M5: 2,448,169 km (0.1 R)
• M6: 3,016,192 km (0.068 R)
• M7: 3,816,690 km (0.111 R)
• M8: 4,327,866 km (0.088 R)
• M9: 5,076,005 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.9

Radius: 11.8

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.63 AU - 1.01 AU

Year: 513 Days

Day: 5.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 116 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,805,942 km

• M1: 146,756 km (0.028 R)
• M2: 637,586 km (0.107 R)
• M3: 1,067,530 km (0.09 R)
• M4: 1,463,516 km (0.069 R)
• M5: 1,840,652 km (0.109 R)
• M6: 2,220,631 km (0.119 R)
• M7: 3,538,438 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.8

Radius: 12.9

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.96 AU - 1.28 AU

Year: 818 Days

Day: 9.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,805,942 km

• M1: 160,369 km (0.118 R)
• M2: 583,880 km (0.092 R)
• M3: 1,166,415 km (0.098 R)
• M4: 1,698,534 km (0.06 R)
• M5: 2,642,048 km (0.098 R)
• M6: 3,252,557 km (0.09 R)
• M7: 5,198,676 km (0.095 R)
• M8: 5,606,479 km (0.07 R)
• M9: 6,098,806 km (0.106 R)
• M10: 6,845,748 km (0.117 R)
• M11: 8,234,166 km (0.078 R)
• M12: 8,709,588 km (0.041 R)
• M13: 9,513,976 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.4

Radius: 11.4

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.85 AU - 1.99 AU

Year: 1836 Days

Day: 13 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,805,942 km

• M1: 141,819 km (0.118 R)
• M2: 515,365 km (0.071 R)
• M3: 975,977 km (0.078 R)
• M4: 1,347,877 km (0.114 R)
• M5: 1,934,899 km (0.109 R)
• M6: 3,145,295 km (0.113 R)
• M7: 4,065,771 km (0.098 R)
• M8: 4,452,033 km (0.083 R)
• M9: 4,901,425 km (0.115 R)
• M10: 5,443,268 km (0.079 R)
• M11: 8,405,605 km (0.036 R)
• M12: 9,124,273 km (0.1 R)
• M13: 10,749,953 km (0.037 R)
• M14: 11,184,984 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.3

Radius: 10.3

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.55 AU - 5.15 AU

Year: 6262 Days

Day: 13 Hours

Environment

Temp: -217 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,805,942 km

• M1: 128,205 km (0.078 R)
• M2: 1,343,987 km (0.1 R)
• M3: 1,672,803 km (0.079 R)
• M4: 2,086,890 km (0.101 R)
• M5: 2,411,817 km (0.043 R)
• M6: 4,244,092 km (0.087 R)
• M7: 4,581,884 km (0.107 R)
• M8: 5,430,852 km (0.079 R)
• M9: 7,702,046 km (0.109 R)
• M10: 8,900,026 km (0.101 R)
• M11: 11,020,726 km (0.108 R)
• M12: 12,538,546 km (0.113 R)
• M13: 14,714,147 km (0.082 R)
• M14: 17,458,072 km (0.044 R)
• M15: 29,078,535 km (0.11 R)
• M16: 29,922,566 km (0.087 R)
• M17: 31,170,512 km (0.107 R)
• M18: 34,182,365 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.1

Radius: 13.4

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.57 AU - 5.25 AU

Year: 6392 Days

Day: 9.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,805,942 km

• M1: 166,652 km (0.094 R)
• M2: 1,281,455 km (0.089 R)
• M3: 1,818,661 km (0.105 R)
• M4: 2,614,223 km (0.108 R)
• M5: 3,584,963 km (0.057 R)
• M6: 5,041,149 km (0.09 R)
• M7: 6,000,969 km (0.104 R)
• M8: 8,080,230 km (0.073 R)
• M9: 9,173,192 km (0.119 R)
• M10: 10,172,954 km (0.07 R)
• M11: 13,783,349 km (0.066 R)
• M12: 14,789,395 km (0.111 R)
• M13: 15,279,478 km (0.119 R)
• M14: 17,417,082 km (0.116 R)
• M15: 18,734,590 km (0.027 R)
• M16: 21,334,003 km (0.082 R)
• M17: 23,746,268 km (0.119 R)
• M18: 26,784,452 km (0.078 R)
• M19: 30,366,722 km (0.104 R)
• M20: 38,697,977 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 194.6

Radius: 3.7

Gravity: 14.21 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.31 AU - 6.31 AU

Year: 9667 Days

Day: 20 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 30,805,942 km

• M1: 46,226 km (0.081 R)
• M2: 231,428 km (0.077 R)
• M3: 482,004 km (0.116 R)
• M4: 1,092,214 km (0.088 R)
• M5: 1,309,131 km (0.064 R)
• M6: 1,668,166 km (0.095 R)
• M7: 2,029,445 km (0.082 R)
• M8: 2,424,084 km (0.102 R)
• M9: 3,342,615 km (0.083 R)
• M10: 4,078,487 km (0.112 R)
• M11: 4,421,215 km (0.12 R)
• M12: 6,078,760 km (0.104 R)
• M13: 7,921,955 km (0.114 R)
• M14: 8,415,778 km (0.118 R)
• M15: 8,611,003 km (0.09 R)
• M16: 9,760,663 km (0.05 R)
• M17: 10,551,587 km (0.074 R)
• M18: 12,160,213 km (0.114 R)
• M19: 12,460,156 km (0.03 R)
• M20: 13,709,448 km (0.061 R)
• M21: 14,088,978 km (0.104 R)
• M22: 14,475,389 km (0.099 R)
• M23: 15,327,349 km (0.098 R)
• M24: 18,737,133 km (0.068 R)
• M25: 19,407,033 km (0.081 R)
• M26: 20,231,766 km (0.105 R)
• M27: 20,652,734 km (0.111 R)
• M28: 23,455,749 km (0.039 R)
• M29: 23,998,341 km (0.109 R)
• M30: 24,391,035 km (0.091 R)
• M31: 30,713,789 km (0.089 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 17,415 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit