🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.9

Radius: 8.9

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.6 AU - 0.66 AU

Year: 345 Days

Day: 12.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 85.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,942,645 km

• M1: 110,702 km (0.105 R)
• M2: 388,206 km (0.069 R)
• M3: 706,401 km (0.094 R)
• M4: 1,051,823 km (0.052 R)
• M5: 1,362,837 km (0.076 R)
• M6: 2,423,336 km (0.106 R)
• M7: 2,849,091 km (0.11 R)
• M8: 3,388,541 km (0.063 R)
• M9: 3,934,574 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.5

Radius: 10.7

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.5 AU - 2.24 AU

Year: 1765 Days

Day: 7.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,942,645 km

• M1: 133,142 km (0.087 R)
• M2: 541,993 km (0.05 R)
• M3: 875,148 km (0.063 R)
• M4: 1,238,820 km (0.046 R)
• M5: 1,622,688 km (0.091 R)
• M6: 2,162,886 km (0.062 R)
• M7: 2,599,861 km (0.108 R)
• M8: 2,969,219 km (0.092 R)
• M9: 4,494,219 km (0.088 R)
• M10: 4,911,747 km (0.073 R)
• M11: 5,825,042 km (0.103 R)
• M12: 6,299,118 km (0.046 R)
• M13: 6,774,390 km (0.095 R)
• M14: 7,717,006 km (0.04 R)
• M15: 8,095,638 km (0.053 R)
• M16: 9,097,047 km (0.119 R)
• M17: 9,519,960 km (0.097 R)
• M18: 10,243,415 km (0.113 R)
• M19: 12,049,660 km (0.088 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.9

Radius: 4.4

Gravity: 18.18 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.88 AU - 6.4 AU

Year: 10502 Days

Day: 24.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,942,645 km

• M1: 59,390 km (0.117 R)
• M2: 808,576 km (0.066 R)
• M3: 1,081,892 km (0.064 R)
• M4: 2,061,010 km (0.037 R)
• M5: 3,138,414 km (0.109 R)
• M6: 3,428,783 km (0.094 R)
• M7: 3,568,657 km (0.095 R)
• M8: 5,720,922 km (0.076 R)
• M9: 7,584,612 km (0.114 R)
• M10: 10,732,600 km (0.083 R)
• M11: 12,563,828 km (0.054 R)
• M12: 15,846,005 km (0.106 R)
• M13: 19,141,496 km (0.107 R)
• M14: 35,097,605 km (0.068 R)
• M15: 38,603,132 km (0.048 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.2

Radius: 3.9

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.91 AU - 7.97 AU

Year: 14008 Days

Day: 22.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,942,645 km

• M1: 48,769 km (0.096 R)
• M2: 323,580 km (0.11 R)
• M3: 606,619 km (0.04 R)
• M4: 1,352,365 km (0.089 R)
• M5: 2,200,585 km (0.081 R)
• M6: 2,554,982 km (0.12 R)
• M7: 2,926,583 km (0.091 R)
• M8: 3,207,528 km (0.109 R)
• M9: 4,333,850 km (0.072 R)
• M10: 5,519,264 km (0.112 R)
• M11: 6,940,144 km (0.107 R)
• M12: 8,076,340 km (0.095 R)
• M13: 8,547,723 km (0.118 R)
• M14: 9,502,008 km (0.114 R)
• M15: 10,433,404 km (0.056 R)
• M16: 18,512,288 km (0.114 R)
• M17: 19,677,356 km (0.079 R)
• M18: 20,600,674 km (0.07 R)
• M19: 21,478,215 km (0.068 R)
• M20: 23,543,264 km (0.037 R)
• M21: 25,155,630 km (0.033 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.8

Radius: 6.1

Gravity: 21.25 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.01 AU - 9.43 AU

Year: 14806 Days

Day: 23.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,942,645 km

• M1: 77,940 km (0.08 R)
• M2: 363,672 km (0.1 R)
• M3: 597,793 km (0.032 R)
• M4: 1,023,698 km (0.11 R)
• M5: 1,276,369 km (0.111 R)
• M6: 1,539,063 km (0.055 R)
• M7: 1,767,948 km (0.102 R)
• M8: 2,595,224 km (0.1 R)
• M9: 3,741,443 km (0.102 R)
• M10: 6,593,676 km (0.105 R)
• M11: 7,611,689 km (0.083 R)
• M12: 8,085,466 km (0.095 R)
• M13: 15,550,399 km (0.114 R)
• M14: 17,259,705 km (0.119 R)
• M15: 19,004,465 km (0.117 R)
• M16: 22,937,842 km (0.076 R)
• M17: 23,329,190 km (0.111 R)
• M18: 25,145,607 km (0.072 R)
• M19: 25,457,219 km (0.106 R)
• M20: 28,155,217 km (0.11 R)
• M21: 32,611,887 km (0.081 R)
• M22: 33,984,747 km (0.106 R)
• M23: 34,238,465 km (0.083 R)
• M24: 35,007,099 km (0.09 R)
• M25: 40,427,777 km (0.107 R)
• M26: 43,635,006 km (0.066 R)
• M27: 44,386,885 km (0.035 R)
• M28: 46,850,912 km (0.092 R)
• M29: 48,276,280 km (0.038 R)
• M30: 48,596,868 km (0.116 R)
• M31: 51,714,039 km (0.117 R)
• M32: 60,921,489 km (0.113 R)
• M33: 61,860,365 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.5

Radius: 6.2

Gravity: 17.96 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.58 AU - 9.6 AU

Year: 17378 Days

Day: 16 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,942,645 km

• M1: 77,193 km (0.031 R)
• M2: 509,381 km (0.072 R)
• M3: 878,140 km (0.084 R)
• M4: 1,214,286 km (0.102 R)
• M5: 2,084,946 km (0.097 R)
• M6: 2,308,594 km (0.11 R)
• M7: 2,639,505 km (0.12 R)
• M8: 3,001,532 km (0.066 R)
• M9: 5,479,620 km (0.082 R)
• M10: 6,233,294 km (0.106 R)
• M11: 8,751,176 km (0.046 R)
• M12: 9,120,533 km (0.107 R)
• M13: 9,445,460 km (0.109 R)
• M14: 9,666,266 km (0.106 R)
• M15: 9,890,514 km (0.074 R)
• M16: 12,328,809 km (0.105 R)
• M17: 13,616,249 km (0.038 R)
• M18: 16,535,202 km (0.098 R)
• M19: 19,221,980 km (0.082 R)
• M20: 22,089,322 km (0.111 R)
• M21: 23,171,663 km (0.05 R)
• M22: 26,085,530 km (0.089 R)
• M23: 28,425,091 km (0.055 R)
• M24: 29,704,602 km (0.118 R)
• M25: 33,388,599 km (0.111 R)
• M26: 33,644,561 km (0.057 R)
• M27: 34,550,526 km (0.118 R)
• M28: 36,818,430 km (0.083 R)
• M29: 38,759,163 km (0.065 R)
• M30: 39,611,272 km (0.086 R)
• M31: 41,353,040 km (0.089 R)
• M32: 43,907,125 km (0.116 R)
• M33: 51,682,324 km (0.063 R)
• M34: 60,326,837 km (0.111 R)
• M35: 62,823,476 km (0.032 R)
• M36: 65,188,619 km (0.047 R)
• M37: 68,846,436 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.1

Radius: 6.5

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.46 AU - 9.36 AU

Year: 18358 Days

Day: 17.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,942,645 km

• M1: 86,468 km (0.043 R)
• M2: 322,832 km (0.081 R)
• M3: 526,285 km (0.069 R)
• M4: 1,324,240 km (0.087 R)
• M5: 1,668,166 km (0.107 R)
• M6: 1,999,076 km (0.081 R)
• M7: 2,256,235 km (0.09 R)
• M8: 3,067,504 km (0.045 R)
• M9: 3,917,519 km (0.104 R)
• M10: 4,659,226 km (0.115 R)
• M11: 5,351,565 km (0.118 R)
• M12: 8,110,598 km (0.091 R)
• M13: 11,405,641 km (0.09 R)
• M14: 11,812,846 km (0.096 R)
• M15: 13,798,908 km (0.067 R)
• M16: 15,568,351 km (0.081 R)
• M17: 21,864,626 km (0.053 R)
• M18: 25,618,187 km (0.081 R)
• M19: 30,886,575 km (0.104 R)
• M20: 31,223,918 km (0.053 R)
• M21: 41,423,052 km (0.109 R)
• M22: 42,940,573 km (0.109 R)
• M23: 44,067,045 km (0.082 R)
• M24: 50,929,997 km (0.061 R)
• M25: 52,033,131 km (0.114 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 14,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit