🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.4

Radius: 10.1

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.6 AU - 0.9 AU

Year: 448 Days

Day: 7.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,381,495 km

• M1: 126,261 km (0.113 R)
• M2: 470,336 km (0.079 R)
• M3: 1,191,547 km (0.067 R)
• M4: 1,566,140 km (0.081 R)
• M5: 1,887,626 km (0.098 R)
• M6: 2,704,131 km (0.105 R)
• M7: 3,340,371 km (0.095 R)
• M8: 3,763,434 km (0.077 R)
• M9: 4,272,665 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.1

Radius: 8

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.71 AU - 0.89 AU

Year: 494 Days

Day: 10.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,381,495 km

• M1: 99,483 km (0.107 R)
• M2: 359,334 km (0.101 R)
• M3: 625,768 km (0.053 R)
• M4: 888,911 km (0.108 R)
• M5: 1,173,446 km (0.115 R)
• M6: 1,462,319 km (0.059 R)
• M7: 1,748,650 km (0.093 R)
• M8: 2,348,238 km (0.049 R)
• M9: 3,472,466 km (0.107 R)
• M10: 3,875,931 km (0.111 R)
• M11: 4,270,570 km (0.082 R)
• M12: 4,677,925 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.9

Radius: 8.7

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.31 AU - 1.53 AU

Year: 1168 Days

Day: 11.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,381,495 km

• M1: 109,954 km (0.114 R)
• M2: 383,569 km (0.118 R)
• M3: 726,298 km (0.108 R)
• M4: 1,073,215 km (0.112 R)
• M5: 1,725,163 km (0.094 R)
• M6: 2,070,734 km (0.119 R)
• M7: 2,509,953 km (0.049 R)
• M8: 3,248,368 km (0.106 R)
• M9: 4,244,540 km (0.066 R)
• M10: 4,545,382 km (0.067 R)
• M11: 5,170,252 km (0.116 R)
• M12: 5,723,016 km (0.105 R)
• M13: 6,383,042 km (0.11 R)
• M14: 6,660,845 km (0.118 R)
• M15: 7,216,003 km (0.115 R)
• M16: 8,363,718 km (0.094 R)
• M17: 8,895,239 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.7

Radius: 11.2

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.88 AU - 3.34 AU

Year: 3786 Days

Day: 9.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,381,495 km

• M1: 139,276 km (0.092 R)
• M2: 839,543 km (0.034 R)
• M3: 1,388,567 km (0.109 R)
• M4: 2,942,740 km (0.073 R)
• M5: 4,024,183 km (0.035 R)
• M6: 4,755,417 km (0.112 R)
• M7: 5,741,417 km (0.093 R)
• M8: 6,512,444 km (0.049 R)
• M9: 7,727,179 km (0.106 R)
• M10: 8,079,931 km (0.055 R)
• M11: 8,780,198 km (0.045 R)
• M12: 13,101,482 km (0.072 R)
• M13: 14,068,184 km (0.074 R)
• M14: 14,436,045 km (0.081 R)
• M15: 15,411,722 km (0.039 R)
• M16: 17,373,998 km (0.105 R)
• M17: 18,729,055 km (0.109 R)
• M18: 19,497,390 km (0.078 R)
• M19: 19,889,336 km (0.092 R)
• M20: 21,998,816 km (0.116 R)
• M21: 22,423,674 km (0.077 R)
• M22: 23,879,710 km (0.097 R)
• M23: 24,253,405 km (0.088 R)
• M24: 25,243,294 km (0.101 R)
• M25: 26,180,675 km (0.086 R)
• M26: 26,738,076 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.1

Radius: 10.1

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.66 AU - 3.8 AU

Year: 4007 Days

Day: 9.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,381,495 km

• M1: 125,662 km (0.049 R)
• M2: 510,278 km (0.096 R)
• M3: 994,078 km (0.066 R)
• M4: 1,780,813 km (0.069 R)
• M5: 2,736,594 km (0.07 R)
• M6: 6,259,624 km (0.1 R)
• M7: 6,594,125 km (0.102 R)
• M8: 8,500,450 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.8

Radius: 8.5

Gravity: 13.1 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.72 AU - 3.76 AU

Year: 4026 Days

Day: 5.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,381,495 km

• M1: 105,766 km (0.107 R)
• M2: 431,739 km (0.078 R)
• M3: 735,573 km (0.062 R)
• M4: 1,056,161 km (0.091 R)
• M5: 2,542,865 km (0.086 R)
• M6: 4,350,904 km (0.097 R)
• M7: 4,723,702 km (0.1 R)
• M8: 5,590,921 km (0.114 R)
• M9: 6,339,359 km (0.069 R)
• M10: 6,885,242 km (0.102 R)
• M11: 9,225,551 km (0.056 R)
• M12: 9,510,086 km (0.096 R)
• M13: 22,691,005 km (0.101 R)
• M14: 24,273,152 km (0.114 R)
• M15: 26,008,188 km (0.058 R)
• M16: 27,154,407 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.1

Radius: 9.2

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.84 AU - 4.5 AU

Year: 4853 Days

Day: 14.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,381,495 km

• M1: 114,442 km (0.093 R)
• M2: 608,265 km (0.106 R)
• M3: 952,789 km (0.087 R)
• M4: 1,532,181 km (0.092 R)
• M5: 1,834,219 km (0.118 R)
• M6: 2,161,240 km (0.086 R)
• M7: 2,477,191 km (0.112 R)
• M8: 2,842,360 km (0.027 R)
• M9: 4,400,870 km (0.117 R)
• M10: 4,859,836 km (0.096 R)
• M11: 5,549,931 km (0.042 R)
• M12: 6,398,600 km (0.067 R)
• M13: 6,954,805 km (0.098 R)
• M14: 8,051,507 km (0.103 R)
• M15: 9,506,795 km (0.106 R)
• M16: 10,629,378 km (0.084 R)
• M17: 11,176,307 km (0.105 R)
• M18: 11,886,149 km (0.09 R)
• M19: 12,726,740 km (0.114 R)
• M20: 13,187,501 km (0.085 R)
• M21: 19,416,906 km (0.111 R)
• M22: 20,096,380 km (0.119 R)
• M23: 22,899,245 km (0.103 R)
• M24: 24,985,687 km (0.07 R)
• M25: 26,777,121 km (0.042 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.5

Radius: 12.4

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.23 AU - 5.13 AU

Year: 6988 Days

Day: 12.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,381,495 km

• M1: 154,535 km (0.112 R)
• M2: 665,262 km (0.112 R)
• M3: 1,634,806 km (0.052 R)
• M4: 2,338,215 km (0.115 R)
• M5: 2,864,500 km (0.107 R)
• M6: 3,852,145 km (0.085 R)
• M7: 4,636,188 km (0.118 R)
• M8: 5,422,624 km (0.092 R)
• M9: 6,694,056 km (0.081 R)
• M10: 7,446,832 km (0.103 R)
• M11: 8,560,140 km (0.049 R)
• M12: 10,912,267 km (0.112 R)
• M13: 12,746,786 km (0.048 R)
• M14: 13,903,477 km (0.119 R)
• M15: 14,778,774 km (0.063 R)
• M16: 15,331,538 km (0.064 R)
• M17: 16,909,496 km (0.109 R)
• M18: 17,347,967 km (0.11 R)
• M19: 17,850,467 km (0.093 R)
• M20: 21,324,578 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21

Radius: 7.4

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.91 AU - 6.55 AU

Year: 10734 Days

Day: 24.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,381,495 km

• M1: 92,751 km (0.108 R)
• M2: 1,201,420 km (0.116 R)
• M3: 1,704,967 km (0.116 R)
• M4: 2,972,210 km (0.118 R)
• M5: 7,009,558 km (0.092 R)
• M6: 7,655,073 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.3

Radius: 3.5

Gravity: 43.53 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.57 AU - 8.01 AU

Year: 12213 Days

Day: 15.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 50,381,495 km

• M1: 43,533 km (0.081 R)
• M2: 286,480 km (0.093 R)
• M3: 609,312 km (0.055 R)
• M4: 722,109 km (0.025 R)
• M5: 1,322,744 km (0.107 R)
• M6: 1,514,379 km (0.114 R)
• M7: 1,787,545 km (0.106 R)
• M8: 2,110,527 km (0.08 R)
• M9: 2,411,667 km (0.074 R)
• M10: 3,667,392 km (0.091 R)
• M11: 4,130,098 km (0.07 R)
• M12: 4,539,398 km (0.099 R)
• M13: 4,722,954 km (0.071 R)
• M14: 5,007,340 km (0.075 R)
• M15: 5,236,524 km (0.038 R)
• M16: 5,929,611 km (0.075 R)
• M17: 6,879,258 km (0.054 R)
• M18: 6,999,684 km (0.111 R)
• M19: 7,369,341 km (0.116 R)
• M20: 9,074,457 km (0.108 R)
• M21: 9,365,724 km (0.05 R)
• M22: 10,069,732 km (0.115 R)
• M23: 10,700,586 km (0.108 R)
• M24: 10,862,301 km (0.074 R)
• M25: 12,098,578 km (0.112 R)
• M26: 13,551,024 km (0.104 R)
• M27: 14,713,699 km (0.109 R)
• M28: 15,456,153 km (0.119 R)
• M29: 16,365,259 km (0.117 R)
• M30: 25,816,553 km (0.051 R)
• M31: 34,464,507 km (0.1 R)
• M32: 34,699,525 km (0.099 R)
• M33: 36,739,891 km (0.089 R)
• M34: 38,479,116 km (0.1 R)
• M35: 46,699,818 km (0.068 R)
• M36: 48,738,537 km (0.109 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 12,069 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit