🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.1

Radius: 10.5

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.7 AU - 1.94 AU

Year: 1585 Days

Day: 9.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,656,855 km

• M1: 130,599 km (0.119 R)
• M2: 459,265 km (0.062 R)
• M3: 817,852 km (0.112 R)
• M4: 1,389,166 km (0.091 R)
• M5: 1,816,866 km (0.119 R)
• M6: 2,188,766 km (0.081 R)
• M7: 3,209,473 km (0.06 R)
• M8: 3,861,420 km (0.082 R)
• M9: 4,579,939 km (0.106 R)
• M10: 6,907,831 km (0.103 R)
• M11: 7,329,697 km (0.106 R)
• M12: 7,994,660 km (0.082 R)
• M13: 8,371,347 km (0.101 R)
• M14: 10,131,815 km (0.07 R)
• M15: 11,826,908 km (0.119 R)
• M16: 12,202,549 km (0.104 R)
• M17: 12,977,765 km (0.069 R)
• M18: 13,580,495 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.8

Radius: 12.8

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.34 AU - 4.16 AU

Year: 4689 Days

Day: 13.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,656,855 km

• M1: 159,322 km (0.091 R)
• M2: 578,046 km (0.116 R)
• M3: 984,204 km (0.103 R)
• M4: 1,403,677 km (0.107 R)
• M5: 1,877,304 km (0.082 R)
• M6: 2,312,185 km (0.052 R)
• M7: 2,711,461 km (0.08 R)
• M8: 4,670,894 km (0.109 R)
• M9: 6,304,353 km (0.1 R)
• M10: 7,352,586 km (0.077 R)
• M11: 8,449,737 km (0.119 R)
• M12: 9,071,166 km (0.102 R)
• M13: 9,618,096 km (0.075 R)
• M14: 10,114,611 km (0.103 R)
• M15: 14,818,716 km (0.117 R)
• M16: 15,723,783 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.1

Radius: 10.7

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.21 AU - 5.15 AU

Year: 6537 Days

Day: 14.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,656,855 km

• M1: 133,142 km (0.119 R)
• M2: 524,789 km (0.094 R)
• M3: 957,277 km (0.071 R)
• M4: 1,450,351 km (0.1 R)
• M5: 1,869,375 km (0.101 R)
• M6: 2,890,231 km (0.102 R)
• M7: 3,524,227 km (0.076 R)
• M8: 4,205,944 km (0.079 R)
• M9: 4,623,921 km (0.093 R)
• M10: 4,973,381 km (0.079 R)
• M11: 5,938,886 km (0.062 R)
• M12: 7,647,294 km (0.047 R)
• M13: 8,649,450 km (0.073 R)
• M14: 9,002,351 km (0.109 R)
• M15: 13,546,536 km (0.092 R)
• M16: 15,676,510 km (0.119 R)
• M17: 17,680,374 km (0.08 R)
• M18: 19,788,507 km (0.067 R)
• M19: 20,589,454 km (0.096 R)
• M20: 21,283,887 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.7

Radius: 14.7

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.2 AU - 6.14 AU

Year: 7590 Days

Day: 8.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,656,855 km

• M1: 196,272 km (0.044 R)
• M2: 1,092,962 km (0.088 R)
• M3: 1,680,134 km (0.108 R)
• M4: 2,387,283 km (0.071 R)
• M5: 2,985,525 km (0.115 R)
• M6: 3,659,164 km (0.097 R)
• M7: 5,282,750 km (0.059 R)
• M8: 5,863,189 km (0.119 R)
• M9: 6,558,071 km (0.051 R)
• M10: 7,743,485 km (0.071 R)
• M11: 8,888,357 km (0.108 R)
• M12: 11,044,063 km (0.093 R)
• M13: 13,062,138 km (0.041 R)
• M14: 15,315,830 km (0.089 R)
• M15: 15,967,179 km (0.115 R)
• M16: 17,255,516 km (0.06 R)
• M17: 17,747,244 km (0.116 R)
• M18: 19,055,029 km (0.07 R)
• M19: 20,038,784 km (0.119 R)
• M20: 23,793,541 km (0.109 R)
• M21: 25,113,144 km (0.106 R)
• M22: 25,654,389 km (0.097 R)
• M23: 29,166,349 km (0.064 R)
• M24: 34,074,505 km (0.112 R)
• M25: 34,738,271 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.5

Radius: 10.6

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.77 AU - 5.89 AU

Year: 9089 Days

Day: 6 Hours

Environment

Temp: -228 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,656,855 km

• M1: 134,788 km (0.087 R)
• M2: 847,771 km (0.111 R)
• M3: 1,409,362 km (0.069 R)
• M4: 1,998,628 km (0.087 R)
• M5: 2,430,517 km (0.102 R)
• M6: 3,089,196 km (0.109 R)
• M7: 3,670,234 km (0.11 R)
• M8: 5,260,460 km (0.09 R)
• M9: 5,633,257 km (0.077 R)
• M10: 6,225,815 km (0.052 R)
• M11: 11,809,555 km (0.105 R)
• M12: 13,457,076 km (0.102 R)
• M13: 17,958,177 km (0.087 R)
• M14: 20,584,368 km (0.065 R)
• M15: 20,968,386 km (0.112 R)
• M16: 23,960,044 km (0.065 R)
• M17: 26,405,071 km (0.094 R)
• M18: 29,011,964 km (0.046 R)
• M19: 34,407,809 km (0.095 R)
• M20: 38,897,690 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.9

Radius: 6.2

Gravity: 22.34 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.29 AU - 6.37 AU

Year: 10283 Days

Day: 24.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,656,855 km

• M1: 77,043 km (0.12 R)
• M2: 344,673 km (0.06 R)
• M3: 607,068 km (0.115 R)
• M4: 831,615 km (0.119 R)
• M5: 1,752,090 km (0.107 R)
• M6: 2,071,631 km (0.109 R)
• M7: 2,697,549 km (0.1 R)
• M8: 3,077,677 km (0.103 R)
• M9: 3,972,721 km (0.048 R)
• M10: 4,868,513 km (0.117 R)
• M11: 7,259,237 km (0.078 R)
• M12: 8,219,505 km (0.056 R)
• M13: 12,188,935 km (0.112 R)
• M14: 20,532,009 km (0.095 R)
• M15: 23,067,842 km (0.1 R)
• M16: 23,341,606 km (0.077 R)
• M17: 25,318,542 km (0.069 R)
• M18: 26,397,292 km (0.066 R)
• M19: 26,596,706 km (0.081 R)
• M20: 45,874,187 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.5

Radius: 7.1

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 10.02 AU - 11.48 AU

Year: 22758 Days

Day: 18.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,656,855 km

• M1: 88,412 km (0.101 R)
• M2: 331,210 km (0.068 R)
• M3: 1,300,155 km (0.063 R)
• M4: 2,049,491 km (0.091 R)
• M5: 4,552,712 km (0.091 R)
• M6: 5,587,331 km (0.081 R)
• M7: 6,982,780 km (0.058 R)
• M8: 11,016,986 km (0.111 R)
• M9: 11,252,004 km (0.077 R)
• M10: 13,320,793 km (0.096 R)
• M11: 13,994,582 km (0.096 R)
• M12: 14,904,286 km (0.085 R)
• M13: 16,002,185 km (0.082 R)
• M14: 16,379,920 km (0.038 R)
• M15: 16,763,489 km (0.091 R)
• M16: 20,226,380 km (0.082 R)
• M17: 20,667,993 km (0.066 R)
• M18: 23,647,983 km (0.105 R)
• M19: 24,335,983 km (0.1 R)
• M20: 24,835,640 km (0.118 R)
• M21: 29,644,164 km (0.081 R)
• M22: 31,024,055 km (0.027 R)
• M23: 33,418,070 km (0.048 R)
• M24: 39,523,159 km (0.086 R)
• M25: 40,911,577 km (0.098 R)
• M26: 46,027,226 km (0.051 R)
• M27: 49,931,580 km (0.083 R)
• M28: 50,900,376 km (0.072 R)
• M29: 52,377,057 km (0.071 R)
• M30: 55,243,950 km (0.105 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: 239 - 14,479 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit