🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521

Radius: 14.1

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.41 AU - 0.61 AU

Year: 247 Days

Day: 8.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,086,111 km

• M1: 175,329 km (0.082 R)
• M2: 641,625 km (0.112 R)
• M3: 1,201,121 km (0.09 R)
• M4: 1,649,167 km (0.109 R)
• M5: 2,256,085 km (0.076 R)
• M6: 2,701,738 km (0.074 R)
• M7: 3,245,376 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.9

Radius: 8.6

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.5 AU - 0.7 AU

Year: 315 Days

Day: 11.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,086,111 km

• M1: 106,962 km (0.105 R)
• M2: 376,687 km (0.038 R)
• M3: 691,741 km (0.111 R)
• M4: 982,858 km (0.111 R)
• M5: 1,268,440 km (0.096 R)
• M6: 1,825,393 km (0.073 R)
• M7: 2,129,226 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.3

Radius: 11.9

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.29 AU - 1.89 AU

Year: 1360 Days

Day: 14.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,086,111 km

• M1: 150,346 km (0.062 R)
• M2: 531,521 km (0.048 R)
• M3: 1,075,010 km (0.06 R)
• M4: 1,718,880 km (0.12 R)
• M5: 3,448,680 km (0.117 R)
• M6: 4,167,647 km (0.061 R)
• M7: 4,648,903 km (0.093 R)
• M8: 6,006,205 km (0.09 R)
• M9: 7,660,608 km (0.103 R)
• M10: 8,334,247 km (0.101 R)
• M11: 9,265,643 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819

Radius: 10.1

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2 AU - 3.08 AU

Year: 2746 Days

Day: 10.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,086,111 km

• M1: 133,591 km (0.095 R)
• M2: 599,738 km (0.083 R)
• M3: 965,355 km (0.083 R)
• M4: 1,472,641 km (0.057 R)
• M5: 1,970,503 km (0.087 R)
• M6: 2,732,704 km (0.109 R)
• M7: 3,324,513 km (0.088 R)
• M8: 3,719,153 km (0.102 R)
• M9: 4,166,301 km (0.061 R)
• M10: 5,267,042 km (0.081 R)
• M11: 6,296,126 km (0.081 R)
• M12: 6,903,044 km (0.12 R)
• M13: 7,644,002 km (0.11 R)
• M14: 8,368,954 km (0.096 R)
• M15: 9,320,695 km (0.102 R)
• M16: 9,766,048 km (0.084 R)
• M17: 10,148,121 km (0.085 R)
• M18: 11,188,275 km (0.116 R)
• M19: 11,734,307 km (0.092 R)
• M20: 15,289,351 km (0.093 R)
• M21: 16,225,983 km (0.077 R)
• M22: 17,871,410 km (0.082 R)
• M23: 18,910,517 km (0.04 R)
• M24: 20,668,591 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.1

Radius: 11

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.94 AU - 4.16 AU

Year: 4537 Days

Day: 11.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,086,111 km

• M1: 137,181 km (0.12 R)
• M2: 543,339 km (0.045 R)
• M3: 1,476,082 km (0.082 R)
• M4: 2,648,929 km (0.096 R)
• M5: 3,033,994 km (0.061 R)
• M6: 3,422,650 km (0.076 R)
• M7: 5,210,494 km (0.04 R)
• M8: 6,320,061 km (0.054 R)
• M9: 7,068,799 km (0.044 R)
• M10: 7,609,894 km (0.049 R)
• M11: 11,964,090 km (0.065 R)
• M12: 14,961,881 km (0.052 R)
• M13: 16,437,066 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.5

Radius: 8.3

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.15 AU - 4.95 AU

Year: 5528 Days

Day: 12.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,086,111 km

• M1: 103,223 km (0.033 R)
• M2: 485,445 km (0.074 R)
• M3: 1,035,217 km (0.053 R)
• M4: 2,201,781 km (0.092 R)
• M5: 4,076,243 km (0.03 R)
• M6: 5,714,190 km (0.11 R)
• M7: 6,281,166 km (0.114 R)
• M8: 7,155,565 km (0.113 R)
• M9: 10,460,930 km (0.086 R)
• M10: 11,601,614 km (0.098 R)
• M11: 15,063,309 km (0.106 R)
• M12: 15,366,843 km (0.097 R)
• M13: 18,922,784 km (0.088 R)
• M14: 19,514,593 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.5

Radius: 7.7

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.08 AU - 7.38 AU

Year: 10547 Days

Day: 24.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,086,111 km

• M1: 96,939 km (0.086 R)
• M2: 491,130 km (0.11 R)
• M3: 1,424,920 km (0.075 R)
• M4: 3,000,933 km (0.086 R)
• M5: 7,364,254 km (0.067 R)
• M6: 8,629,104 km (0.096 R)
• M7: 10,493,543 km (0.078 R)
• M8: 15,806,661 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957.8

Radius: 3.3

Gravity: 87.95 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7.29 AU - 8.22 AU

Year: 14633 Days

Day: 17.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,086,111 km

• M1: 40,990 km (0.072 R)
• M2: 210,933 km (0.055 R)
• M3: 392,395 km (0.097 R)
• M4: 514,617 km (0.116 R)
• M5: 662,419 km (0.117 R)
• M6: 806,781 km (0.098 R)
• M7: 1,340,547 km (0.08 R)
• M8: 2,038,869 km (0.073 R)
• M9: 2,522,370 km (0.067 R)
• M10: 2,660,149 km (0.083 R)
• M11: 2,827,250 km (0.072 R)
• M12: 3,262,430 km (0.075 R)
• M13: 4,526,532 km (0.07 R)
• M14: 5,842,694 km (0.113 R)
• M15: 6,249,301 km (0.117 R)
• M16: 9,092,559 km (0.05 R)
• M17: 11,156,560 km (0.078 R)
• M18: 12,962,805 km (0.11 R)
• M19: 13,652,451 km (0.09 R)
• M20: 15,867,547 km (0.114 R)
• M21: 19,266,261 km (0.116 R)
• M22: 20,529,615 km (0.086 R)
• M23: 24,234,556 km (0.108 R)
• M24: 24,648,792 km (0.117 R)
• M25: 27,011,242 km (0.119 R)
• M26: 28,475,955 km (0.05 R)
• M27: 29,992,727 km (0.106 R)
• M28: 46,137,479 km (0.073 R)
• M29: 48,715,649 km (0.081 R)
• M30: 57,571,993 km (0.097 R)
• M31: 63,447,150 km (0.1 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: 396 - 18,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit