🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.6

Radius: 8.8

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.24 AU - 1.56 AU

Year: 1070 Days

Day: 5.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,830,738 km

• M1: 109,954 km (0.108 R)
• M2: 450,888 km (0.106 R)
• M3: 1,048,531 km (0.119 R)
• M4: 1,328,130 km (0.096 R)
• M5: 1,650,214 km (0.067 R)
• M6: 2,262,369 km (0.103 R)
• M7: 2,772,049 km (0.1 R)
• M8: 3,203,040 km (0.114 R)
• M9: 3,541,580 km (0.076 R)
• M10: 3,846,760 km (0.062 R)
• M11: 4,124,264 km (0.045 R)
• M12: 4,720,112 km (0.107 R)
• M13: 5,757,573 km (0.047 R)
• M14: 6,420,591 km (0.061 R)
• M15: 6,812,837 km (0.055 R)
• M16: 7,177,257 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.2

Radius: 14.9

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.13 AU - 1.75 AU

Year: 1116 Days

Day: 12.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,830,738 km

• M1: 185,501 km (0.109 R)
• M2: 884,423 km (0.118 R)
• M3: 1,450,800 km (0.112 R)
• M4: 2,581,610 km (0.104 R)
• M5: 3,287,114 km (0.057 R)
• M6: 4,566,774 km (0.036 R)
• M7: 5,269,735 km (0.098 R)
• M8: 5,887,723 km (0.116 R)
• M9: 7,092,435 km (0.061 R)
• M10: 9,006,540 km (0.087 R)
• M11: 10,904,638 km (0.115 R)
• M12: 11,805,067 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.6

Radius: 9.8

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.38 AU - 1.58 AU

Year: 1163 Days

Day: 7.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,830,738 km

• M1: 123,717 km (0.09 R)
• M2: 456,573 km (0.096 R)
• M3: 783,145 km (0.099 R)
• M4: 1,332,618 km (0.071 R)
• M5: 1,642,136 km (0.096 R)
• M6: 2,166,626 km (0.061 R)
• M7: 2,736,295 km (0.064 R)
• M8: 3,373,731 km (0.104 R)
• M9: 3,975,264 km (0.098 R)
• M10: 4,868,064 km (0.081 R)
• M11: 5,636,997 km (0.101 R)
• M12: 6,761,824 km (0.103 R)
• M13: 7,365,152 km (0.092 R)
• M14: 8,189,287 km (0.118 R)
• M15: 9,509,488 km (0.051 R)
• M16: 9,989,847 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.7

Radius: 8.4

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.99 AU - 2.37 AU

Year: 2078 Days

Day: 7.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,830,738 km

• M1: 104,419 km (0.044 R)
• M2: 445,353 km (0.093 R)
• M3: 712,834 km (0.078 R)
• M4: 998,416 km (0.053 R)
• M5: 1,433,746 km (0.106 R)
• M6: 1,716,935 km (0.101 R)
• M7: 2,269,549 km (0.058 R)
• M8: 2,700,541 km (0.118 R)
• M9: 2,981,635 km (0.112 R)
• M10: 4,038,694 km (0.076 R)
• M11: 4,694,232 km (0.117 R)
• M12: 10,484,118 km (0.041 R)
• M13: 12,309,810 km (0.087 R)
• M14: 12,921,217 km (0.119 R)
• M15: 14,204,916 km (0.081 R)
• M16: 15,760,136 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844

Radius: 10.9

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.6 AU - 7.1 AU

Year: 9136 Days

Day: 9.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,830,738 km

• M1: 135,536 km (0.103 R)
• M2: 493,224 km (0.117 R)
• M3: 1,172,099 km (0.075 R)
• M4: 2,257,731 km (0.095 R)
• M5: 2,659,551 km (0.099 R)
• M6: 4,415,830 km (0.098 R)
• M7: 5,437,883 km (0.113 R)
• M8: 5,987,206 km (0.116 R)
• M9: 7,197,004 km (0.099 R)
• M10: 10,401,241 km (0.083 R)
• M11: 12,606,014 km (0.096 R)
• M12: 16,262,186 km (0.054 R)
• M13: 17,403,468 km (0.115 R)
• M14: 17,770,881 km (0.112 R)
• M15: 18,673,853 km (0.032 R)
• M16: 19,214,500 km (0.088 R)
• M17: 21,820,196 km (0.09 R)
• M18: 25,303,732 km (0.084 R)
• M19: 31,037,519 km (0.11 R)
• M20: 34,033,216 km (0.071 R)
• M21: 34,840,297 km (0.059 R)
• M22: 35,190,057 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.5

Radius: 3.7

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 7.96 AU - 8.08 AU

Year: 14665 Days

Day: 16.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,830,738 km

• M1: 49,816 km (0.089 R)
• M2: 214,224 km (0.112 R)
• M3: 391,498 km (0.078 R)
• M4: 511,326 km (0.028 R)
• M5: 754,123 km (0.097 R)
• M6: 906,563 km (0.111 R)
• M7: 1,089,671 km (0.093 R)
• M8: 1,596,209 km (0.079 R)
• M9: 1,790,986 km (0.098 R)
• M10: 2,145,233 km (0.115 R)
• M11: 2,544,361 km (0.056 R)
• M12: 2,849,989 km (0.087 R)
• M13: 3,287,563 km (0.089 R)
• M14: 4,216,715 km (0.119 R)
• M15: 6,166,125 km (0.057 R)
• M16: 6,680,592 km (0.111 R)
• M17: 7,297,683 km (0.091 R)
• M18: 7,833,692 km (0.101 R)
• M19: 8,071,254 km (0.1 R)
• M20: 14,473,893 km (0.076 R)
• M21: 14,952,008 km (0.077 R)
• M22: 15,689,077 km (0.032 R)
• M23: 19,235,145 km (0.118 R)
• M24: 21,693,038 km (0.093 R)
• M25: 22,161,429 km (0.068 R)
• M26: 24,943,201 km (0.091 R)
• M27: 27,221,277 km (0.079 R)
• M28: 28,783,378 km (0.053 R)
• M29: 32,692,520 km (0.097 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 11,614 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit