🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.9

Radius: 11.4

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.82 AU - 0.96 AU

Year: 580 Days

Day: 10.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,126,207 km

• M1: 141,819 km (0.083 R)
• M2: 505,790 km (0.092 R)
• M3: 872,904 km (0.054 R)
• M4: 1,367,025 km (0.028 R)
• M5: 1,843,943 km (0.116 R)
• M6: 2,451,460 km (0.084 R)
• M7: 2,808,700 km (0.064 R)
• M8: 3,225,928 km (0.089 R)
• M9: 4,126,956 km (0.105 R)
• M10: 4,572,758 km (0.078 R)
• M11: 5,205,557 km (0.077 R)
• M12: 6,303,306 km (0.099 R)
• M13: 7,131,181 km (0.116 R)
• M14: 7,684,394 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322

Radius: 13.4

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.93 AU - 1.19 AU

Year: 753 Days

Day: 7 Hours

Environment

Temp: -179 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,126,207 km

• M1: 166,802 km (0.086 R)
• M2: 600,336 km (0.099 R)
• M3: 1,046,736 km (0.112 R)
• M4: 1,518,119 km (0.12 R)
• M5: 2,667,180 km (0.06 R)
• M6: 3,160,105 km (0.104 R)
• M7: 4,813,012 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.5

Radius: 12.6

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.45 AU - 1.53 AU

Year: 1255 Days

Day: 6.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,126,207 km

• M1: 156,629 km (0.109 R)
• M2: 595,848 km (0.091 R)
• M3: 1,060,200 km (0.107 R)
• M4: 1,638,695 km (0.117 R)
• M5: 2,338,065 km (0.059 R)
• M6: 3,051,348 km (0.097 R)
• M7: 3,905,402 km (0.117 R)
• M8: 4,852,506 km (0.086 R)
• M9: 5,631,313 km (0.109 R)
• M10: 6,370,625 km (0.05 R)
• M11: 6,890,179 km (0.093 R)
• M12: 7,305,014 km (0.092 R)
• M13: 7,709,077 km (0.048 R)
• M14: 9,072,961 km (0.039 R)
• M15: 10,626,086 km (0.062 R)
• M16: 11,075,628 km (0.071 R)
• M17: 12,387,452 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.4

Radius: 9.3

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.57 AU - 2.61 AU

Year: 2086 Days

Day: 6.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,126,207 km

• M1: 115,789 km (0.052 R)
• M2: 508,483 km (0.094 R)
• M3: 823,387 km (0.106 R)
• M4: 1,166,863 km (0.07 R)
• M5: 1,463,067 km (0.075 R)
• M6: 1,850,825 km (0.088 R)
• M7: 2,189,066 km (0.098 R)
• M8: 2,542,715 km (0.09 R)
• M9: 5,189,550 km (0.065 R)
• M10: 5,983,466 km (0.096 R)
• M11: 6,361,500 km (0.101 R)
• M12: 6,881,652 km (0.102 R)
• M13: 10,017,373 km (0.106 R)
• M14: 10,483,520 km (0.096 R)
• M15: 11,033,890 km (0.079 R)
• M16: 11,785,470 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958

Radius: 12.8

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.4 AU - 3.84 AU

Year: 3804 Days

Day: 5.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,126,207 km

• M1: 159,322 km (0.045 R)
• M2: 668,254 km (0.115 R)
• M3: 1,249,292 km (0.091 R)
• M4: 3,431,177 km (0.11 R)
• M5: 5,704,167 km (0.108 R)
• M6: 6,448,416 km (0.098 R)
• M7: 7,598,375 km (0.083 R)
• M8: 8,240,748 km (0.119 R)
• M9: 8,880,429 km (0.056 R)
• M10: 10,691,012 km (0.058 R)
• M11: 13,955,836 km (0.118 R)
• M12: 16,863,420 km (0.114 R)
• M13: 19,359,012 km (0.055 R)
• M14: 23,401,146 km (0.052 R)
• M15: 24,378,918 km (0.06 R)
• M16: 26,738,974 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.9

Radius: 8.1

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.34 AU - 6.58 AU

Year: 8806 Days

Day: 10.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,126,207 km

• M1: 100,679 km (0.107 R)
• M2: 372,499 km (0.098 R)
• M3: 794,514 km (0.05 R)
• M4: 1,384,229 km (0.063 R)
• M5: 2,064,600 km (0.108 R)
• M6: 3,627,748 km (0.075 R)
• M7: 4,016,404 km (0.1 R)
• M8: 5,158,284 km (0.104 R)
• M9: 7,276,740 km (0.108 R)
• M10: 9,006,241 km (0.104 R)
• M11: 9,818,258 km (0.069 R)
• M12: 10,887,583 km (0.037 R)
• M13: 12,547,222 km (0.063 R)
• M14: 12,957,420 km (0.089 R)
• M15: 14,496,333 km (0.11 R)
• M16: 15,144,690 km (0.025 R)
• M17: 15,476,049 km (0.086 R)
• M18: 16,991,775 km (0.06 R)
• M19: 18,755,534 km (0.089 R)
• M20: 19,369,633 km (0.079 R)
• M21: 19,681,694 km (0.059 R)
• M22: 28,417,163 km (0.074 R)
• M23: 34,756,372 km (0.111 R)
• M24: 35,101,644 km (0.112 R)
• M25: 36,506,219 km (0.062 R)
• M26: 36,863,159 km (0.052 R)
• M27: 43,559,010 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.7

Radius: 7.1

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.55 AU - 6.99 AU

Year: 9567 Days

Day: 18 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,126,207 km

• M1: 95,892 km (0.032 R)
• M2: 599,439 km (0.113 R)
• M3: 937,979 km (0.107 R)
• M4: 1,191,547 km (0.051 R)
• M5: 1,573,470 km (0.062 R)
• M6: 1,826,740 km (0.072 R)
• M7: 3,447,483 km (0.083 R)
• M8: 4,177,670 km (0.087 R)
• M9: 5,417,836 km (0.11 R)
• M10: 7,019,581 km (0.104 R)
• M11: 11,263,224 km (0.086 R)
• M12: 12,905,509 km (0.081 R)
• M13: 13,365,672 km (0.068 R)
• M14: 13,942,970 km (0.063 R)
• M15: 14,923,136 km (0.098 R)
• M16: 17,387,611 km (0.089 R)
• M17: 19,772,799 km (0.109 R)
• M18: 21,788,481 km (0.033 R)
• M19: 22,514,180 km (0.108 R)
• M20: 23,784,715 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869.3

Radius: 3.4

Gravity: 75.2 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.28 AU - 8.58 AU

Year: 12592 Days

Day: 21.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,126,207 km

• M1: 43,832 km (0.099 R)
• M2: 157,527 km (0.112 R)
• M3: 450,589 km (0.107 R)
• M4: 888,761 km (0.07 R)
• M5: 1,896,602 km (0.044 R)
• M6: 2,275,384 km (0.098 R)
• M7: 2,547,203 km (0.096 R)
• M8: 4,490,629 km (0.025 R)
• M9: 6,201,281 km (0.088 R)
• M10: 7,970,126 km (0.089 R)
• M11: 9,250,684 km (0.06 R)
• M12: 14,948,418 km (0.049 R)
• M13: 16,726,538 km (0.092 R)
• M14: 18,149,064 km (0.062 R)
• M15: 19,908,335 km (0.081 R)
• M16: 20,431,030 km (0.048 R)
• M17: 21,503,946 km (0.095 R)
• M18: 24,746,779 km (0.068 R)
• M19: 25,249,577 km (0.12 R)
• M20: 27,758,035 km (0.1 R)
• M21: 28,629,741 km (0.102 R)
• M22: 29,183,852 km (0.056 R)
• M23: 29,295,452 km (0.112 R)
• M24: 32,418,906 km (0.048 R)
• M25: 38,105,570 km (0.055 R)
• M26: 38,910,556 km (0.088 R)
• M27: 46,672,890 km (0.055 R)
• M28: 46,825,630 km (0.075 R)
• M29: 53,211,514 km (0.101 R)
• M30: 53,545,117 km (0.116 R)
• M31: 54,216,812 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70

Radius: 3

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.58 AU - 10.28 AU

Year: 16895 Days

Day: 23.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,126,207 km

• M1: 38,297 km (0.093 R)
• M2: 201,658 km (0.108 R)
• M3: 449,392 km (0.104 R)
• M4: 869,164 km (0.058 R)
• M5: 1,352,514 km (0.12 R)
• M6: 1,725,163 km (0.106 R)
• M7: 3,615,033 km (0.112 R)
• M8: 4,527,580 km (0.118 R)
• M9: 7,641,160 km (0.095 R)
• M10: 10,788,550 km (0.084 R)
• M11: 10,974,799 km (0.068 R)
• M12: 11,305,709 km (0.113 R)
• M13: 14,702,928 km (0.119 R)
• M14: 16,539,092 km (0.091 R)
• M15: 17,479,913 km (0.105 R)
• M16: 18,389,767 km (0.101 R)
• M17: 18,856,363 km (0.093 R)
• M18: 19,674,514 km (0.103 R)
• M19: 19,882,754 km (0.076 R)
• M20: 21,601,185 km (0.088 R)
• M21: 24,923,304 km (0.117 R)
• M22: 25,085,469 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.4

Radius: 6.4

Gravity: 11.73 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 7.11 AU - 9.95 AU

Year: 17196 Days

Day: 22.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,126,207 km

• M1: 79,586 km (0.041 R)
• M2: 334,351 km (0.046 R)
• M3: 765,792 km (0.117 R)
• M4: 1,044,941 km (0.067 R)
• M5: 2,175,153 km (0.071 R)
• M6: 2,564,706 km (0.089 R)
• M7: 2,880,507 km (0.099 R)
• M8: 3,870,546 km (0.089 R)
• M9: 4,570,215 km (0.087 R)
• M10: 5,459,125 km (0.034 R)
• M11: 5,679,633 km (0.078 R)
• M12: 6,177,943 km (0.059 R)
• M13: 6,705,126 km (0.069 R)
• M14: 6,915,610 km (0.083 R)
• M15: 8,712,879 km (0.078 R)
• M16: 10,628,929 km (0.068 R)
• M17: 13,003,645 km (0.109 R)
• M18: 15,784,371 km (0.064 R)
• M19: 16,460,553 km (0.042 R)
• M20: 19,021,668 km (0.06 R)
• M21: 22,021,255 km (0.113 R)
• M22: 23,439,443 km (0.102 R)
• M23: 24,617,078 km (0.1 R)
• M24: 26,247,844 km (0.097 R)
• M25: 26,456,683 km (0.085 R)
• M26: 32,044,014 km (0.095 R)
• M27: 34,483,057 km (0.051 R)
• M28: 39,589,880 km (0.105 R)
• M29: 40,696,306 km (0.105 R)
• M30: 42,251,076 km (0.042 R)
• M31: 48,238,581 km (0.085 R)
• M32: 49,024,569 km (0.065 R)
• M33: 50,622,274 km (0.1 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 12,065 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit