🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.3

Radius: 8.9

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.59 AU - 0.81 AU

Year: 391 Days

Day: 6.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 79,714,337 km

• M1: 110,702 km (0.057 R)
• M2: 633,846 km (0.073 R)
• M3: 1,325,736 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.8

Radius: 11.2

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.82 AU - 1.02 AU

Year: 588 Days

Day: 8.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,714,337 km

• M1: 139,276 km (0.09 R)
• M2: 511,774 km (0.073 R)
• M3: 956,230 km (0.066 R)
• M4: 1,501,813 km (0.072 R)
• M5: 1,896,901 km (0.059 R)
• M6: 2,813,936 km (0.108 R)
• M7: 3,202,591 km (0.093 R)
• M8: 3,719,153 km (0.104 R)
• M9: 4,103,320 km (0.049 R)
• M10: 4,529,375 km (0.073 R)
• M11: 4,984,751 km (0.101 R)
• M12: 5,932,902 km (0.112 R)
• M13: 6,401,891 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.8

Radius: 9

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.62 AU - 2.32 AU

Year: 1844 Days

Day: 13.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,714,337 km

• M1: 112,647 km (0.107 R)
• M2: 945,907 km (0.055 R)
• M3: 1,243,009 km (0.106 R)
• M4: 1,704,369 km (0.092 R)
• M5: 2,068,939 km (0.05 R)
• M6: 2,445,028 km (0.07 R)
• M7: 3,589,751 km (0.075 R)
• M8: 3,892,686 km (0.111 R)
• M9: 4,674,036 km (0.032 R)
• M10: 5,102,185 km (0.036 R)
• M11: 5,626,675 km (0.076 R)
• M12: 6,111,522 km (0.11 R)
• M13: 8,182,106 km (0.111 R)
• M14: 9,729,846 km (0.119 R)
• M15: 10,938,148 km (0.117 R)
• M16: 12,203,895 km (0.039 R)
• M17: 12,851,504 km (0.084 R)
• M18: 13,225,798 km (0.091 R)
• M19: 15,532,448 km (0.075 R)
• M20: 16,005,027 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.1

Radius: 9.6

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.95 AU - 2.63 AU

Year: 2311 Days

Day: 8 Hours

Environment

Temp: -203 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,714,337 km

• M1: 119,379 km (0.073 R)
• M2: 508,034 km (0.051 R)
• M3: 841,488 km (0.086 R)
• M4: 1,203,066 km (0.109 R)
• M5: 2,263,715 km (0.101 R)
• M6: 3,071,095 km (0.118 R)
• M7: 5,336,455 km (0.118 R)
• M8: 5,658,539 km (0.088 R)
• M9: 7,440,998 km (0.108 R)
• M10: 8,200,955 km (0.103 R)
• M11: 10,116,406 km (0.119 R)
• M12: 12,233,515 km (0.115 R)
• M13: 13,000,504 km (0.083 R)
• M14: 14,232,592 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.9

Radius: 13.7

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.66 AU - 4.18 AU

Year: 4218 Days

Day: 12.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,714,337 km

• M1: 171,589 km (0.112 R)
• M2: 667,805 km (0.032 R)
• M3: 1,119,590 km (0.099 R)
• M4: 1,823,448 km (0.115 R)
• M5: 2,270,746 km (0.102 R)
• M6: 2,880,956 km (0.109 R)
• M7: 3,393,927 km (0.027 R)
• M8: 4,103,918 km (0.119 R)
• M9: 5,422,624 km (0.118 R)
• M10: 6,364,641 km (0.077 R)
• M11: 7,040,525 km (0.062 R)
• M12: 7,835,039 km (0.098 R)
• M13: 12,341,675 km (0.119 R)
• M14: 12,936,027 km (0.072 R)
• M15: 16,024,774 km (0.044 R)
• M16: 21,498,560 km (0.084 R)
• M17: 22,947,416 km (0.117 R)
• M18: 26,119,489 km (0.09 R)
• M19: 27,768,207 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.5

Radius: 9.5

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.15 AU - 3.77 AU

Year: 4292 Days

Day: 14.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,714,337 km

• M1: 118,332 km (0.107 R)
• M2: 621,280 km (0.104 R)
• M3: 929,302 km (0.09 R)
• M4: 1,593,666 km (0.087 R)
• M5: 2,045,601 km (0.046 R)
• M6: 3,208,575 km (0.091 R)
• M7: 5,361,887 km (0.092 R)
• M8: 5,708,056 km (0.119 R)
• M9: 7,741,690 km (0.103 R)
• M10: 9,326,380 km (0.065 R)
• M11: 13,703,015 km (0.093 R)
• M12: 22,091,566 km (0.049 R)
• M13: 22,909,119 km (0.119 R)
• M14: 24,604,212 km (0.102 R)
• M15: 26,052,170 km (0.092 R)
• M16: 29,649,999 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.8

Radius: 7.5

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.31 AU - 7.11 AU

Year: 11591 Days

Day: 22.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,714,337 km

• M1: 115,938 km (0.118 R)
• M2: 776,114 km (0.117 R)
• M3: 1,121,236 km (0.071 R)
• M4: 1,912,758 km (0.084 R)
• M5: 6,305,999 km (0.102 R)
• M6: 7,972,370 km (0.118 R)
• M7: 8,962,109 km (0.078 R)
• M8: 14,495,734 km (0.12 R)
• M9: 20,833,747 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.1

Radius: 6.8

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.77 AU - 9.39 AU

Year: 18246 Days

Day: 24.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,714,337 km

• M1: 84,523 km (0.038 R)
• M2: 382,671 km (0.101 R)
• M3: 609,611 km (0.11 R)
• M4: 835,504 km (0.082 R)
• M5: 1,307,934 km (0.08 R)
• M6: 1,576,014 km (0.104 R)
• M7: 2,925,536 km (0.114 R)
• M8: 3,792,007 km (0.099 R)
• M9: 4,696,326 km (0.102 R)
• M10: 8,088,757 km (0.109 R)
• M11: 11,959,003 km (0.056 R)
• M12: 13,503,452 km (0.094 R)
• M13: 17,492,479 km (0.112 R)
• M14: 25,362,524 km (0.098 R)
• M15: 27,894,917 km (0.064 R)
• M16: 28,400,557 km (0.103 R)
• M17: 30,591,119 km (0.078 R)
• M18: 32,223,232 km (0.087 R)
• M19: 36,016,286 km (0.078 R)
• M20: 37,221,895 km (0.072 R)
• M21: 40,353,427 km (0.098 R)
• M22: 44,474,849 km (0.115 R)
• M23: 47,707,958 km (0.104 R)
• M24: 47,996,233 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.6

Radius: 4.8

Gravity: 23.55 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 9.3 AU - 12.56 AU

Year: 24097 Days

Day: 22.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,714,337 km

• M1: 59,690 km (0.05 R)
• M2: 350,657 km (0.045 R)
• M3: 508,932 km (0.057 R)
• M4: 1,334,413 km (0.092 R)
• M5: 1,923,081 km (0.076 R)
• M6: 4,640,825 km (0.09 R)
• M7: 5,877,252 km (0.082 R)
• M8: 10,625,937 km (0.119 R)
• M9: 12,394,483 km (0.086 R)
• M10: 13,312,266 km (0.096 R)
• M11: 32,076,626 km (0.109 R)
• M12: 37,425,498 km (0.108 R)
• M13: 39,631,618 km (0.111 R)
• M14: 55,272,673 km (0.097 R)
• M15: 67,280,894 km (0.089 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 15,539 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit