🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.6

Radius: 12.6

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.51 AU - 0.73 AU

Year: 337 Days

Day: 8.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,232,477 km

• M1: 156,629 km (0.098 R)
• M2: 748,737 km (0.107 R)
• M3: 1,596,060 km (0.094 R)
• M4: 2,154,658 km (0.115 R)
• M5: 2,600,460 km (0.037 R)
• M6: 3,703,744 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.3

Radius: 14.1

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.19 AU - 1.91 AU

Year: 1332 Days

Day: 13.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,232,477 km

• M1: 175,329 km (0.114 R)
• M2: 618,587 km (0.077 R)
• M3: 1,259,614 km (0.033 R)
• M4: 1,831,078 km (0.026 R)
• M5: 2,297,375 km (0.107 R)
• M6: 3,313,144 km (0.12 R)
• M7: 3,834,493 km (0.119 R)
• M8: 4,891,551 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.9

Radius: 8.1

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.27 AU - 2.75 AU

Year: 2745 Days

Day: 10.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,232,477 km

• M1: 102,026 km (0.112 R)
• M2: 387,458 km (0.102 R)
• M3: 655,388 km (0.096 R)
• M4: 911,350 km (0.042 R)
• M5: 1,326,634 km (0.112 R)
• M6: 1,670,260 km (0.054 R)
• M7: 2,189,814 km (0.108 R)
• M8: 3,912,732 km (0.05 R)
• M9: 4,196,519 km (0.108 R)
• M10: 5,324,487 km (0.115 R)
• M11: 5,958,782 km (0.101 R)
• M12: 8,495,813 km (0.029 R)
• M13: 9,043,191 km (0.094 R)
• M14: 9,396,990 km (0.097 R)
• M15: 10,208,110 km (0.104 R)
• M16: 10,475,890 km (0.092 R)
• M17: 11,718,001 km (0.083 R)
• M18: 14,491,995 km (0.108 R)
• M19: 15,422,792 km (0.093 R)
• M20: 16,133,831 km (0.072 R)
• M21: 17,511,927 km (0.102 R)
• M22: 18,229,548 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.7

Radius: 3.7

Gravity: 33.51 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.67 AU - 6.59 AU

Year: 9221 Days

Day: 15.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,232,477 km

• M1: 46,226 km (0.041 R)
• M2: 214,673 km (0.078 R)
• M3: 516,412 km (0.071 R)
• M4: 818,450 km (0.05 R)
• M5: 945,459 km (0.113 R)
• M6: 1,383,182 km (0.075 R)
• M7: 1,776,774 km (0.106 R)
• M8: 1,991,596 km (0.113 R)
• M9: 2,223,473 km (0.055 R)
• M10: 2,985,973 km (0.044 R)
• M11: 3,113,730 km (0.085 R)
• M12: 3,245,227 km (0.112 R)
• M13: 3,449,428 km (0.061 R)
• M14: 3,590,199 km (0.105 R)
• M15: 4,325,772 km (0.098 R)
• M16: 4,517,257 km (0.108 R)
• M17: 5,561,450 km (0.07 R)
• M18: 5,690,254 km (0.093 R)
• M19: 5,887,125 km (0.058 R)
• M20: 6,088,484 km (0.108 R)
• M21: 7,356,176 km (0.079 R)
• M22: 8,072,152 km (0.102 R)
• M23: 8,362,671 km (0.052 R)
• M24: 9,687,509 km (0.118 R)
• M25: 11,146,089 km (0.063 R)
• M26: 12,800,491 km (0.119 R)
• M27: 14,369,025 km (0.107 R)
• M28: 15,996,052 km (0.117 R)
• M29: 18,445,866 km (0.115 R)
• M30: 20,059,878 km (0.118 R)
• M31: 21,212,828 km (0.12 R)
• M32: 22,571,925 km (0.096 R)
• M33: 24,674,523 km (0.116 R)
• M34: 25,996,819 km (0.072 R)
• M35: 27,738,587 km (0.076 R)
• M36: 27,926,332 km (0.069 R)
• M37: 28,399,361 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 734.5

Radius: 7.6

Gravity: 12.72 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.99 AU - 7.31 AU

Year: 10527 Days

Day: 22.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,232,477 km

• M1: 98,286 km (0.116 R)
• M2: 476,020 km (0.094 R)
• M3: 777,759 km (0.091 R)
• M4: 1,103,135 km (0.033 R)
• M5: 1,663,379 km (0.095 R)
• M6: 2,086,292 km (0.088 R)
• M7: 2,963,983 km (0.072 R)
• M8: 3,411,280 km (0.114 R)
• M9: 5,663,925 km (0.073 R)
• M10: 5,947,712 km (0.08 R)
• M11: 7,138,212 km (0.104 R)
• M12: 7,596,430 km (0.115 R)
• M13: 7,942,001 km (0.067 R)
• M14: 8,252,866 km (0.074 R)
• M15: 8,525,882 km (0.106 R)
• M16: 10,136,303 km (0.06 R)
• M17: 11,095,524 km (0.034 R)
• M18: 11,597,126 km (0.051 R)
• M19: 11,882,260 km (0.108 R)
• M20: 13,629,712 km (0.084 R)
• M21: 13,883,430 km (0.074 R)
• M22: 17,180,268 km (0.079 R)
• M23: 17,476,622 km (0.11 R)
• M24: 19,486,319 km (0.106 R)
• M25: 20,298,636 km (0.038 R)
• M26: 21,904,120 km (0.088 R)
• M27: 22,252,683 km (0.118 R)
• M28: 25,270,222 km (0.098 R)
• M29: 26,333,863 km (0.043 R)
• M30: 33,927,600 km (0.05 R)
• M31: 38,915,792 km (0.069 R)
• M32: 41,252,361 km (0.044 R)
• M33: 41,783,882 km (0.112 R)
• M34: 43,956,193 km (0.08 R)
• M35: 46,345,720 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.4

Radius: 6.2

Gravity: 10.6 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 8.32 AU - 9.44 AU

Year: 18265 Days

Day: 16.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 93.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,232,477 km

• M1: 77,342 km (0.115 R)
• M2: 908,657 km (0.114 R)
• M3: 1,122,283 km (0.064 R)
• M4: 1,469,649 km (0.087 R)
• M5: 2,048,294 km (0.085 R)
• M6: 2,634,269 km (0.065 R)
• M7: 3,074,984 km (0.118 R)
• M8: 3,377,920 km (0.102 R)
• M9: 3,898,221 km (0.082 R)
• M10: 6,362,547 km (0.118 R)
• M11: 6,813,285 km (0.093 R)
• M12: 8,781,844 km (0.112 R)
• M13: 9,444,562 km (0.106 R)
• M14: 11,632,880 km (0.118 R)
• M15: 13,398,284 km (0.063 R)
• M16: 14,069,680 km (0.071 R)
• M17: 15,047,302 km (0.042 R)
• M18: 39,417,094 km (0.049 R)
• M19: 40,653,521 km (0.056 R)
• M20: 44,370,429 km (0.092 R)
• M21: 49,248,068 km (0.11 R)
• M22: 51,815,915 km (0.073 R)
• M23: 52,801,316 km (0.096 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 10,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit