🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.6

Radius: 15

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.73 AU - 1.01 AU

Year: 541 Days

Day: 12.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,310,395 km

• M1: 186,698 km (0.054 R)
• M2: 988,543 km (0.094 R)
• M3: 1,517,670 km (0.05 R)
• M4: 1,994,439 km (0.105 R)
• M5: 2,732,555 km (0.111 R)
• M6: 3,428,484 km (0.063 R)
• M7: 3,917,220 km (0.065 R)
• M8: 4,466,992 km (0.113 R)
• M9: 5,052,668 km (0.052 R)
• M10: 5,638,643 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.2

Radius: 11.1

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.02 AU - 1.24 AU

Year: 801 Days

Day: 5.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,310,395 km

• M1: 138,677 km (0.072 R)
• M2: 495,019 km (0.102 R)
• M3: 850,464 km (0.08 R)
• M4: 1,409,212 km (0.093 R)
• M5: 1,915,900 km (0.089 R)
• M6: 2,287,202 km (0.099 R)
• M7: 3,006,319 km (0.034 R)
• M8: 3,440,751 km (0.093 R)
• M9: 5,321,495 km (0.112 R)
• M10: 6,022,810 km (0.053 R)
• M11: 6,406,978 km (0.045 R)
• M12: 6,875,817 km (0.044 R)
• M13: 7,415,566 km (0.089 R)
• M14: 9,289,878 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589

Radius: 13.3

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.34 AU - 1.86 AU

Year: 1350 Days

Day: 13.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,310,395 km

• M1: 165,455 km (0.101 R)
• M2: 626,217 km (0.042 R)
• M3: 1,054,216 km (0.075 R)
• M4: 1,591,273 km (0.082 R)
• M5: 2,101,102 km (0.099 R)
• M6: 2,594,476 km (0.057 R)
• M7: 3,094,731 km (0.082 R)
• M8: 3,612,190 km (0.044 R)
• M9: 4,919,376 km (0.06 R)
• M10: 6,615,218 km (0.098 R)
• M11: 9,586,980 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.5

Radius: 13.8

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.25 AU - 3.69 AU

Year: 3413 Days

Day: 7.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 104.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,310,395 km

• M1: 172,038 km (0.046 R)
• M2: 1,099,245 km (0.031 R)
• M3: 1,786,049 km (0.116 R)
• M4: 3,203,489 km (0.103 R)
• M5: 4,978,019 km (0.101 R)
• M6: 5,982,718 km (0.118 R)
• M7: 6,695,402 km (0.119 R)
• M8: 7,368,593 km (0.072 R)
• M9: 8,019,643 km (0.071 R)
• M10: 9,854,461 km (0.112 R)
• M11: 14,740,626 km (0.11 R)
• M12: 16,420,161 km (0.038 R)
• M13: 18,873,567 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.4

Radius: 8

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.23 AU - 8.67 AU

Year: 14948 Days

Day: 24.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 135.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,310,395 km

• M1: 99,931 km (0.059 R)
• M2: 421,268 km (0.084 R)
• M3: 708,795 km (0.113 R)
• M4: 984,354 km (0.065 R)
• M5: 1,697,487 km (0.082 R)
• M6: 3,257,942 km (0.097 R)
• M7: 3,729,625 km (0.115 R)
• M8: 4,809,422 km (0.112 R)
• M9: 5,109,216 km (0.109 R)
• M10: 6,238,979 km (0.039 R)
• M11: 6,883,297 km (0.053 R)
• M12: 7,482,885 km (0.067 R)
• M13: 8,023,981 km (0.092 R)
• M14: 8,542,637 km (0.078 R)
• M15: 9,184,262 km (0.11 R)
• M16: 10,563,405 km (0.102 R)
• M17: 10,900,299 km (0.104 R)
• M18: 11,186,630 km (0.097 R)
• M19: 11,774,100 km (0.065 R)
• M20: 14,884,390 km (0.076 R)
• M21: 15,739,790 km (0.082 R)
• M22: 16,328,159 km (0.111 R)
• M23: 17,392,847 km (0.059 R)
• M24: 20,515,104 km (0.075 R)
• M25: 21,040,043 km (0.066 R)
• M26: 28,812,550 km (0.091 R)
• M27: 29,360,527 km (0.072 R)
• M28: 30,027,135 km (0.062 R)
• M29: 35,103,589 km (0.089 R)
• M30: 37,001,089 km (0.088 R)
• M31: 44,543,514 km (0.111 R)
• M32: 54,370,299 km (0.082 R)
• M33: 55,038,852 km (0.112 R)
• M34: 57,249,759 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.6

Radius: 3.1

Gravity: 22.33 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.22 AU - 9.64 AU

Year: 16322 Days

Day: 23.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 65,310,395 km

• M1: 38,596 km (0.119 R)
• M2: 157,078 km (0.115 R)
• M3: 572,960 km (0.119 R)
• M4: 669,750 km (0.108 R)
• M5: 1,104,481 km (0.116 R)
• M6: 1,922,482 km (0.109 R)
• M7: 2,142,242 km (0.077 R)
• M8: 2,359,757 km (0.11 R)
• M9: 2,512,795 km (0.088 R)
• M10: 3,623,560 km (0.114 R)
• M11: 4,065,771 km (0.109 R)
• M12: 4,840,538 km (0.089 R)
• M13: 5,025,292 km (0.061 R)
• M14: 5,246,547 km (0.115 R)
• M15: 5,607,527 km (0.111 R)
• M16: 5,880,244 km (0.119 R)
• M17: 6,126,033 km (0.107 R)
• M18: 6,378,704 km (0.034 R)
• M19: 10,476,040 km (0.1 R)
• M20: 11,313,339 km (0.072 R)
• M21: 11,421,199 km (0.117 R)
• M22: 12,826,073 km (0.12 R)
• M23: 13,061,091 km (0.092 R)
• M24: 13,844,535 km (0.057 R)
• M25: 14,595,217 km (0.117 R)
• M26: 15,905,844 km (0.074 R)
• M27: 16,451,427 km (0.088 R)
• M28: 18,608,330 km (0.119 R)
• M29: 19,061,312 km (0.117 R)
• M30: 19,521,475 km (0.118 R)
• M31: 20,784,829 km (0.06 R)
• M32: 21,436,477 km (0.095 R)
• M33: 23,038,670 km (0.114 R)
• M34: 27,632,372 km (0.12 R)
• M35: 31,719,237 km (0.113 R)
• M36: 32,473,509 km (0.071 R)
• M37: 38,212,083 km (0.119 R)
• M38: 44,590,637 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.2

Radius: 5.2

Gravity: 33.22 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.19 AU - 9.31 AU

Year: 17260 Days

Day: 23.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 65,310,395 km

• M1: 68,217 km (0.116 R)
• M2: 504,594 km (0.066 R)
• M3: 686,355 km (0.082 R)
• M4: 878,738 km (0.114 R)
• M5: 1,981,424 km (0.114 R)
• M6: 2,204,624 km (0.058 R)
• M7: 2,977,147 km (0.075 R)
• M8: 3,270,957 km (0.117 R)
• M9: 3,439,105 km (0.113 R)
• M10: 4,269,074 km (0.119 R)
• M11: 6,621,950 km (0.099 R)
• M12: 8,353,994 km (0.042 R)
• M13: 9,836,359 km (0.099 R)
• M14: 10,188,064 km (0.054 R)
• M15: 12,207,336 km (0.058 R)
• M16: 12,477,210 km (0.053 R)
• M17: 13,524,545 km (0.077 R)
• M18: 14,403,732 km (0.098 R)
• M19: 15,320,318 km (0.112 R)
• M20: 15,952,668 km (0.08 R)
• M21: 21,749,137 km (0.11 R)
• M22: 24,627,699 km (0.105 R)
• M23: 26,046,485 km (0.097 R)
• M24: 26,719,376 km (0.064 R)
• M25: 32,012,149 km (0.062 R)
• M26: 32,654,522 km (0.101 R)
• M27: 32,913,776 km (0.112 R)
• M28: 39,264,504 km (0.118 R)
• M29: 41,348,103 km (0.108 R)
• M30: 41,956,817 km (0.064 R)
• M31: 45,250,214 km (0.065 R)
• M32: 52,345,941 km (0.105 R)
• M33: 57,090,437 km (0.111 R)
• M34: 63,918,981 km (0.082 R)
• M35: 64,121,687 km (0.03 R)
• M36: 64,324,840 km (0.072 R)
• M37: 64,528,294 km (0.034 R)
• M38: 65,141,645 km (0.048 R)
• M39: 68,690,555 km (0.11 R)
• M40: 71,708,243 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346.4

Radius: 3.5

Gravity: 28.28 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 9.61 AU - 11.19 AU

Year: 22366 Days

Day: 22.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,310,395 km

• M1: 56,997 km (0.081 R)
• M2: 211,382 km (0.119 R)
• M3: 321,037 km (0.069 R)
• M4: 520,002 km (0.109 R)
• M5: 777,161 km (0.082 R)
• M6: 890,556 km (0.097 R)
• M7: 1,415,794 km (0.108 R)
• M8: 2,963,534 km (0.049 R)
• M9: 3,540,682 km (0.109 R)
• M10: 3,855,885 km (0.058 R)
• M11: 4,065,921 km (0.072 R)
• M12: 4,708,443 km (0.083 R)
• M13: 5,951,452 km (0.082 R)
• M14: 6,191,407 km (0.037 R)
• M15: 8,803,535 km (0.116 R)
• M16: 10,206,913 km (0.108 R)
• M17: 11,444,088 km (0.057 R)
• M18: 15,523,322 km (0.119 R)
• M19: 18,468,456 km (0.073 R)
• M20: 20,027,116 km (0.096 R)
• M21: 20,205,436 km (0.092 R)
• M22: 21,577,698 km (0.102 R)
• M23: 22,048,482 km (0.076 R)
• M24: 27,358,309 km (0.107 R)
• M25: 30,897,047 km (0.081 R)
• M26: 32,222,633 km (0.072 R)
• M27: 34,344,978 km (0.118 R)
• M28: 35,636,008 km (0.1 R)
• M29: 37,904,360 km (0.03 R)
• M30: 38,040,794 km (0.073 R)
• M31: 41,701,902 km (0.103 R)
• M32: 42,726,199 km (0.113 R)
• M33: 55,297,806 km (0.042 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 10,906 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit