🌌 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: 486.8

Radius: 10.3

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.6 AU - 0.92 AU

Year: 442 Days

Day: 10.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,702,249 km

• M1: 128,205 km (0.099 R)
• M2: 457,021 km (0.05 R)
• M3: 796,160 km (0.097 R)
• M4: 1,151,455 km (0.071 R)
• M5: 1,521,710 km (0.118 R)
• M6: 1,995,636 km (0.114 R)
• M7: 2,329,388 km (0.098 R)
• M8: 2,849,989 km (0.05 R)
• M9: 3,623,560 km (0.046 R)
• M10: 3,970,028 km (0.118 R)
• M11: 4,325,024 km (0.067 R)
• M12: 4,773,369 km (0.076 R)
• M13: 5,190,897 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.5

Radius: 11.1

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.27 AU - 1.47 AU

Year: 1069 Days

Day: 6 Hours

Environment

Temp: -182 °C

Axial Tilt: 122.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,702,249 km

• M1: 139,276 km (0.047 R)
• M2: 591,510 km (0.098 R)
• M3: 941,719 km (0.083 R)
• M4: 1,542,055 km (0.12 R)
• M5: 1,980,975 km (0.082 R)
• M6: 2,635,765 km (0.086 R)
• M7: 3,470,820 km (0.098 R)
• M8: 3,853,791 km (0.066 R)
• M9: 4,218,062 km (0.07 R)
• M10: 4,946,304 km (0.03 R)
• M11: 6,011,890 km (0.09 R)
• M12: 6,695,402 km (0.092 R)
• M13: 7,545,866 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.3

Radius: 9.1

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.55 AU - 1.69 AU

Year: 1375 Days

Day: 5.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 92,702,249 km

• M1: 176,825 km (0.115 R)
• M2: 536,757 km (0.119 R)
• M3: 1,044,193 km (0.07 R)
• M4: 1,488,798 km (0.082 R)
• M5: 2,056,073 km (0.025 R)
• M6: 2,861,209 km (0.062 R)
• M7: 4,204,747 km (0.047 R)
• M8: 5,371,461 km (0.083 R)
• M9: 7,049,201 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.3

Radius: 12.5

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.4 AU - 2.44 AU

Year: 2510 Days

Day: 5.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 92,702,249 km

• M1: 155,432 km (0.097 R)
• M2: 555,158 km (0.073 R)
• M3: 1,025,793 km (0.116 R)
• M4: 1,615,507 km (0.113 R)
• M5: 2,169,020 km (0.069 R)
• M6: 2,672,566 km (0.085 R)
• M7: 4,185,000 km (0.068 R)
• M8: 5,685,617 km (0.095 R)
• M9: 6,309,739 km (0.115 R)
• M10: 6,868,936 km (0.089 R)
• M11: 8,025,776 km (0.041 R)
• M12: 8,491,624 km (0.112 R)
• M13: 9,649,362 km (0.081 R)
• M14: 10,723,175 km (0.066 R)
• M15: 11,136,365 km (0.103 R)
• M16: 12,604,817 km (0.111 R)
• M17: 14,835,621 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.3

Radius: 15

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.03 AU - 3.13 AU

Year: 3605 Days

Day: 10.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 92,702,249 km

• M1: 202,705 km (0.053 R)
• M2: 1,413,999 km (0.066 R)
• M3: 2,213,450 km (0.105 R)
• M4: 2,907,734 km (0.068 R)
• M5: 4,107,808 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789

Radius: 8.5

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.82 AU - 4.82 AU

Year: 5988 Days

Day: 10.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 92,702,249 km

• M1: 148,102 km (0.112 R)
• M2: 533,017 km (0.089 R)
• M3: 1,176,288 km (0.075 R)
• M4: 1,541,905 km (0.111 R)
• M5: 1,908,420 km (0.037 R)
• M6: 3,413,973 km (0.111 R)
• M7: 4,165,852 km (0.096 R)
• M8: 4,527,580 km (0.115 R)
• M9: 5,464,212 km (0.111 R)
• M10: 6,661,892 km (0.039 R)
• M11: 7,377,718 km (0.033 R)
• M12: 8,920,072 km (0.093 R)
• M13: 9,304,539 km (0.113 R)
• M14: 15,240,133 km (0.095 R)
• M15: 18,395,452 km (0.048 R)
• M16: 21,350,309 km (0.044 R)
• M17: 23,784,117 km (0.098 R)
• M18: 26,397,292 km (0.107 R)
• M19: 32,787,814 km (0.115 R)
• M20: 33,396,827 km (0.116 R)
• M21: 33,909,948 km (0.11 R)
• M22: 34,637,293 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618

Radius: 8.8

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.69 AU - 5.73 AU

Year: 7930 Days

Day: 5.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 92,702,249 km

• M1: 126,859 km (0.078 R)
• M2: 475,871 km (0.116 R)
• M3: 1,430,604 km (0.099 R)
• M4: 1,955,693 km (0.106 R)
• M5: 2,493,198 km (0.063 R)
• M6: 3,526,471 km (0.113 R)
• M7: 4,793,565 km (0.113 R)
• M8: 6,480,131 km (0.11 R)
• M9: 9,678,234 km (0.117 R)
• M10: 10,098,903 km (0.072 R)
• M11: 15,189,569 km (0.098 R)
• M12: 17,549,326 km (0.117 R)
• M13: 18,316,614 km (0.118 R)
• M14: 21,928,355 km (0.059 R)
• M15: 23,396,957 km (0.113 R)
• M16: 34,684,566 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.6

Radius: 3.5

Gravity: 74.25 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 9.08 AU - 12.32 AU

Year: 23340 Days

Day: 19.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 92,702,249 km

• M1: 43,533 km (0.067 R)
• M2: 160,219 km (0.102 R)
• M3: 271,520 km (0.12 R)
• M4: 437,424 km (0.099 R)
• M5: 574,905 km (0.026 R)
• M6: 865,424 km (0.115 R)
• M7: 1,767,798 km (0.059 R)
• M8: 2,446,524 km (0.11 R)
• M9: 2,857,768 km (0.097 R)
• M10: 3,313,294 km (0.106 R)
• M11: 3,495,953 km (0.091 R)
• M12: 4,259,500 km (0.108 R)
• M13: 4,623,771 km (0.078 R)
• M14: 5,710,749 km (0.105 R)
• M15: 6,762,422 km (0.074 R)
• M16: 6,908,430 km (0.112 R)
• M17: 7,156,463 km (0.088 R)
• M18: 7,565,763 km (0.089 R)
• M19: 9,359,890 km (0.069 R)
• M20: 9,849,075 km (0.096 R)
• M21: 11,695,562 km (0.115 R)
• M22: 14,715,195 km (0.106 R)
• M23: 15,798,433 km (0.058 R)
• M24: 18,216,084 km (0.098 R)
• M25: 22,556,816 km (0.099 R)
• M26: 28,922,056 km (0.09 R)
• M27: 29,436,223 km (0.09 R)
• M28: 29,956,375 km (0.082 R)
• M29: 33,629,302 km (0.031 R)
• M30: 34,772,529 km (0.078 R)
• M31: 40,398,157 km (0.117 R)
• M32: 48,020,468 km (0.107 R)
• M33: 60,221,820 km (0.112 R)
• M34: 60,639,796 km (0.074 R)
• M35: 61,692,965 km (0.088 R)
• M36: 68,269,437 km (0.107 R)
• M37: 71,258,702 km (0.081 R)
• M38: 82,535,539 km (0.119 R)
• M39: 87,253,108 km (0.051 R)
• M40: 89,678,089 km (0.114 R)
• M41: 91,594,737 km (0.097 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: 342 - 17,366 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit