🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.5

Radius: 9.9

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.61 AU - 0.95 AU

Year: 467 Days

Day: 8.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,981,269 km

• M1: 123,119 km (0.091 R)
• M2: 437,125 km (0.094 R)
• M3: 826,229 km (0.108 R)
• M4: 1,291,478 km (0.1 R)
• M5: 1,807,890 km (0.071 R)
• M6: 2,172,011 km (0.108 R)
• M7: 3,279,634 km (0.079 R)
• M8: 3,683,848 km (0.072 R)
• M9: 4,608,063 km (0.069 R)
• M10: 6,155,803 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.1

Radius: 14.2

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.76 AU - 0.9 AU

Year: 513 Days

Day: 6.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,981,269 km

• M1: 176,675 km (0.045 R)
• M2: 895,343 km (0.054 R)
• M3: 1,471,295 km (0.101 R)
• M4: 1,927,419 km (0.057 R)
• M5: 2,489,608 km (0.102 R)
• M6: 3,331,545 km (0.081 R)
• M7: 3,881,766 km (0.08 R)
• M8: 4,553,909 km (0.069 R)
• M9: 5,083,186 km (0.081 R)
• M10: 6,401,891 km (0.095 R)
• M11: 7,279,283 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.9

Radius: 10.6

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.98 AU - 1.02 AU

Year: 678 Days

Day: 10.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,981,269 km

• M1: 131,796 km (0.065 R)
• M2: 604,974 km (0.116 R)
• M3: 1,154,596 km (0.095 R)
• M4: 1,728,903 km (0.119 R)
• M5: 2,352,576 km (0.047 R)
• M6: 2,689,919 km (0.095 R)
• M7: 3,424,445 km (0.084 R)
• M8: 4,911,448 km (0.054 R)
• M9: 5,395,995 km (0.048 R)
• M10: 6,202,178 km (0.113 R)
• M11: 6,644,689 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.3

Radius: 8.3

Gravity: 13.61 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.36 AU - 1.46 AU

Year: 1136 Days

Day: 5.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,981,269 km

• M1: 103,223 km (0.102 R)
• M2: 380,727 km (0.082 R)
• M3: 883,375 km (0.103 R)
• M4: 1,253,630 km (0.119 R)
• M5: 1,659,489 km (0.047 R)
• M6: 1,935,198 km (0.113 R)
• M7: 2,857,319 km (0.076 R)
• M8: 3,377,920 km (0.087 R)
• M9: 3,825,367 km (0.084 R)
• M10: 4,133,539 km (0.107 R)
• M11: 4,858,490 km (0.086 R)
• M12: 5,179,377 km (0.103 R)
• M13: 5,709,253 km (0.109 R)
• M14: 6,631,524 km (0.069 R)
• M15: 7,360,066 km (0.106 R)
• M16: 9,993,587 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.7

Radius: 14.4

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.86 AU - 1.86 AU

Year: 1721 Days

Day: 6.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,981,269 km

• M1: 179,667 km (0.083 R)
• M2: 700,118 km (0.108 R)
• M3: 1,287,290 km (0.075 R)
• M4: 1,870,721 km (0.081 R)
• M5: 3,393,628 km (0.108 R)
• M6: 4,039,292 km (0.069 R)
• M7: 4,654,887 km (0.076 R)
• M8: 7,116,371 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.2

Radius: 9.6

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.14 AU - 3.32 AU

Year: 3059 Days

Day: 8.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,981,269 km

• M1: 119,379 km (0.08 R)
• M2: 457,021 km (0.047 R)
• M3: 778,956 km (0.095 R)
• M4: 1,136,196 km (0.094 R)
• M5: 1,514,230 km (0.101 R)
• M6: 1,827,039 km (0.119 R)
• M7: 2,338,813 km (0.086 R)
• M8: 2,658,055 km (0.095 R)
• M9: 3,577,932 km (0.115 R)
• M10: 4,101,525 km (0.09 R)
• M11: 6,188,565 km (0.051 R)
• M12: 6,532,041 km (0.081 R)
• M13: 6,860,409 km (0.107 R)
• M14: 8,967,644 km (0.108 R)
• M15: 10,223,369 km (0.032 R)
• M16: 11,046,157 km (0.093 R)
• M17: 12,908,800 km (0.113 R)
• M18: 16,885,411 km (0.108 R)
• M19: 17,193,582 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.2

Radius: 11.4

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.02 AU - 4.5 AU

Year: 4945 Days

Day: 12.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,981,269 km

• M1: 141,819 km (0.094 R)
• M2: 721,361 km (0.119 R)
• M3: 1,097,600 km (0.094 R)
• M4: 1,584,241 km (0.072 R)
• M5: 2,543,164 km (0.085 R)
• M6: 3,304,617 km (0.082 R)
• M7: 4,066,220 km (0.118 R)
• M8: 4,463,402 km (0.08 R)
• M9: 5,136,144 km (0.113 R)
• M10: 5,631,313 km (0.101 R)
• M11: 6,254,537 km (0.057 R)
• M12: 6,616,564 km (0.109 R)
• M13: 8,246,583 km (0.05 R)
• M14: 9,907,269 km (0.063 R)
• M15: 10,630,425 km (0.052 R)
• M16: 11,534,445 km (0.071 R)
• M17: 12,232,767 km (0.096 R)
• M18: 12,748,731 km (0.105 R)
• M19: 14,102,142 km (0.097 R)
• M20: 14,497,829 km (0.042 R)
• M21: 21,731,185 km (0.055 R)
• M22: 23,816,579 km (0.095 R)
• M23: 30,964,366 km (0.074 R)
• M24: 32,705,086 km (0.052 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.1

Radius: 13.1

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.42 AU - 4.8 AU

Year: 6713 Days

Day: 14.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,981,269 km

• M1: 162,912 km (0.11 R)
• M2: 666,758 km (0.111 R)
• M3: 2,021,516 km (0.064 R)
• M4: 2,674,361 km (0.064 R)
• M5: 3,308,058 km (0.106 R)
• M6: 3,720,798 km (0.114 R)
• M7: 4,540,894 km (0.09 R)
• M8: 5,053,117 km (0.057 R)
• M9: 5,993,190 km (0.062 R)
• M10: 6,540,569 km (0.1 R)
• M11: 7,385,796 km (0.116 R)
• M12: 7,935,120 km (0.119 R)
• M13: 12,090,201 km (0.042 R)
• M14: 13,363,129 km (0.088 R)
• M15: 14,420,188 km (0.037 R)
• M16: 15,915,418 km (0.117 R)
• M17: 16,501,992 km (0.058 R)
• M18: 18,490,895 km (0.091 R)
• M19: 19,877,667 km (0.091 R)
• M20: 23,688,972 km (0.075 R)
• M21: 24,886,354 km (0.086 R)
• M22: 29,299,341 km (0.114 R)
• M23: 31,486,163 km (0.117 R)
• M24: 38,697,528 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.3

Radius: 3.8

Gravity: 14.63 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.84 AU - 6.74 AU

Year: 9450 Days

Day: 24.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,981,269 km

• M1: 50,115 km (0.116 R)
• M2: 203,004 km (0.119 R)
• M3: 441,164 km (0.105 R)
• M4: 694,882 km (0.11 R)
• M5: 1,020,557 km (0.12 R)
• M6: 1,282,054 km (0.119 R)
• M7: 2,055,176 km (0.071 R)
• M8: 2,884,845 km (0.092 R)
• M9: 3,158,011 km (0.082 R)
• M10: 3,280,233 km (0.107 R)
• M11: 3,986,634 km (0.05 R)
• M12: 4,553,310 km (0.087 R)
• M13: 5,844,490 km (0.079 R)
• M14: 8,210,380 km (0.117 R)
• M15: 8,403,212 km (0.038 R)
• M16: 8,638,529 km (0.084 R)
• M17: 9,752,435 km (0.104 R)
• M18: 11,477,597 km (0.037 R)
• M19: 14,263,708 km (0.086 R)
• M20: 14,486,310 km (0.038 R)
• M21: 16,719,208 km (0.091 R)
• M22: 19,171,117 km (0.118 R)
• M23: 19,306,353 km (0.1 R)
• M24: 19,442,338 km (0.09 R)
• M25: 21,778,608 km (0.113 R)
• M26: 24,613,188 km (0.101 R)
• M27: 25,746,841 km (0.074 R)
• M28: 26,661,632 km (0.109 R)
• M29: 27,856,919 km (0.06 R)
• M30: 30,079,494 km (0.075 R)
• M31: 31,187,117 km (0.026 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.8

Radius: 3.1

Gravity: 63.98 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.09 AU - 8.21 AU

Year: 12967 Days

Day: 21.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 54,981,269 km

• M1: 38,596 km (0.118 R)
• M2: 164,857 km (0.066 R)
• M3: 272,119 km (0.108 R)
• M4: 484,697 km (0.115 R)
• M5: 672,742 km (0.083 R)
• M6: 807,679 km (0.055 R)
• M7: 917,783 km (0.099 R)
• M8: 1,206,357 km (0.075 R)
• M9: 1,628,223 km (0.113 R)
• M10: 1,772,286 km (0.093 R)
• M11: 2,012,989 km (0.087 R)
• M12: 2,236,339 km (0.059 R)
• M13: 3,502,385 km (0.079 R)
• M14: 4,226,589 km (0.078 R)
• M15: 4,376,486 km (0.105 R)
• M16: 4,529,973 km (0.115 R)
• M17: 5,926,918 km (0.026 R)
• M18: 6,384,538 km (0.119 R)
• M19: 6,783,515 km (0.101 R)
• M20: 6,947,624 km (0.107 R)
• M21: 9,279,706 km (0.034 R)
• M22: 11,729,071 km (0.102 R)
• M23: 13,323,934 km (0.104 R)
• M24: 14,850,281 km (0.064 R)
• M25: 18,883,889 km (0.057 R)
• M26: 19,620,210 km (0.081 R)
• M27: 23,032,537 km (0.12 R)
• M28: 24,252,358 km (0.095 R)
• M29: 25,219,508 km (0.099 R)
• M30: 26,011,629 km (0.076 R)
• M31: 32,255,694 km (0.115 R)
• M32: 35,845,445 km (0.066 R)
• M33: 40,493,600 km (0.089 R)
• M34: 40,628,239 km (0.114 R)
• M35: 40,763,026 km (0.086 R)
• M36: 45,964,993 km (0.086 R)
• M37: 48,194,001 km (0.093 R)
• M38: 50,494,068 km (0.075 R)
• M39: 50,962,759 km (0.08 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 18,550 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit