🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.2

Radius: 13.7

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.84 AU - 0.94 AU

Year: 542 Days

Day: 6.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,773,975 km

• M1: 170,392 km (0.07 R)
• M2: 620,532 km (0.089 R)
• M3: 1,484,609 km (0.1 R)
• M4: 2,029,146 km (0.1 R)
• M5: 2,960,542 km (0.053 R)
• M6: 3,902,709 km (0.092 R)
• M7: 4,502,746 km (0.068 R)
• M8: 4,957,374 km (0.061 R)
• M9: 5,560,553 km (0.116 R)
• M10: 6,085,193 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.6

Radius: 12.8

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.07 AU - 1.71 AU

Year: 1058 Days

Day: 11.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,773,975 km

• M1: 159,322 km (0.099 R)
• M2: 717,471 km (0.083 R)
• M3: 1,258,417 km (0.085 R)
• M4: 1,854,415 km (0.098 R)
• M5: 2,268,053 km (0.085 R)
• M6: 3,120,911 km (0.064 R)
• M7: 3,667,691 km (0.076 R)
• M8: 4,697,822 km (0.054 R)
• M9: 5,641,485 km (0.029 R)
• M10: 6,104,491 km (0.066 R)
• M11: 7,131,330 km (0.067 R)
• M12: 7,573,243 km (0.117 R)
• M13: 8,430,887 km (0.119 R)
• M14: 8,897,333 km (0.114 R)
• M15: 10,620,551 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.7

Radius: 9.3

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.38 AU - 2.02 AU

Year: 1431 Days

Day: 14.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,773,975 km

• M1: 115,789 km (0.111 R)
• M2: 581,487 km (0.105 R)
• M3: 1,111,662 km (0.077 R)
• M4: 1,645,876 km (0.049 R)
• M5: 2,615,569 km (0.102 R)
• M6: 3,876,230 km (0.077 R)
• M7: 4,883,622 km (0.05 R)
• M8: 5,545,144 km (0.082 R)
• M9: 6,359,405 km (0.091 R)
• M10: 7,808,859 km (0.095 R)
• M11: 8,196,168 km (0.102 R)
• M12: 8,713,029 km (0.084 R)
• M13: 9,343,285 km (0.107 R)
• M14: 9,748,545 km (0.098 R)
• M15: 11,035,087 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.6

Radius: 11.1

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.15 AU - 5.11 AU

Year: 5419 Days

Day: 14.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,773,975 km

• M1: 139,276 km (0.108 R)
• M2: 872,904 km (0.045 R)
• M3: 1,856,360 km (0.113 R)
• M4: 2,416,604 km (0.109 R)
• M5: 2,987,021 km (0.11 R)
• M6: 3,925,299 km (0.117 R)
• M7: 5,733,488 km (0.082 R)
• M8: 6,277,725 km (0.111 R)
• M9: 7,469,721 km (0.084 R)
• M10: 8,641,820 km (0.099 R)
• M11: 9,358,244 km (0.064 R)
• M12: 11,496,297 km (0.11 R)
• M13: 12,310,858 km (0.081 R)
• M14: 13,828,678 km (0.066 R)
• M15: 15,046,105 km (0.111 R)
• M16: 15,589,295 km (0.043 R)
• M17: 18,572,426 km (0.115 R)
• M18: 20,711,077 km (0.117 R)
• M19: 22,147,666 km (0.108 R)
• M20: 28,106,298 km (0.1 R)
• M21: 29,582,829 km (0.088 R)
• M22: 30,244,800 km (0.114 R)
• M23: 31,207,612 km (0.117 R)
• M24: 31,992,552 km (0.093 R)
• M25: 32,489,815 km (0.086 R)
• M26: 34,218,867 km (0.058 R)
• M27: 35,264,257 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.8

Radius: 8.7

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.95 AU - 5.91 AU

Year: 8170 Days

Day: 10.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,773,975 km

• M1: 112,348 km (0.109 R)
• M2: 552,016 km (0.118 R)
• M3: 1,669,213 km (0.112 R)
• M4: 2,529,251 km (0.028 R)
• M5: 3,335,883 km (0.088 R)
• M6: 7,071,192 km (0.074 R)
• M7: 10,388,824 km (0.092 R)
• M8: 11,557,483 km (0.106 R)
• M9: 14,433,352 km (0.109 R)
• M10: 17,327,173 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.3

Radius: 4.9

Gravity: 28.13 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.98 AU - 12.8 AU

Year: 21624 Days

Day: 15.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,773,975 km

• M1: 60,886 km (0.098 R)
• M2: 224,247 km (0.104 R)
• M3: 419,024 km (0.043 R)
• M4: 642,972 km (0.116 R)
• M5: 933,042 km (0.052 R)
• M6: 1,204,712 km (0.108 R)
• M7: 1,829,582 km (0.066 R)
• M8: 2,435,603 km (0.088 R)
• M9: 3,537,541 km (0.049 R)
• M10: 3,718,405 km (0.077 R)
• M11: 5,048,629 km (0.102 R)
• M12: 6,266,954 km (0.099 R)
• M13: 6,487,461 km (0.048 R)
• M14: 7,276,440 km (0.054 R)
• M15: 10,822,658 km (0.076 R)
• M16: 11,076,376 km (0.081 R)
• M17: 14,668,370 km (0.117 R)
• M18: 18,512,587 km (0.113 R)
• M19: 24,251,012 km (0.095 R)
• M20: 25,458,416 km (0.112 R)
• M21: 28,832,895 km (0.03 R)
• M22: 31,583,252 km (0.12 R)
• M23: 33,021,785 km (0.097 R)
• M24: 35,330,080 km (0.062 R)
• M25: 40,416,558 km (0.116 R)
• M26: 41,027,216 km (0.079 R)
• M27: 45,639,767 km (0.036 R)
• M28: 47,645,426 km (0.1 R)
• M29: 51,831,473 km (0.063 R)
• M30: 52,552,236 km (0.035 R)
• M31: 54,754,317 km (0.105 R)
• M32: 56,635,809 km (0.077 R)
• M33: 63,560,246 km (0.1 R)
• M34: 68,620,992 km (0.12 R)
• M35: 77,640,996 km (0.096 R)
• M36: 78,347,696 km (0.115 R)
• M37: 79,296,595 km (0.093 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: 415 - 13,221 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit