🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.7

Radius: 13

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.95 AU - 1.47 AU

Year: 873 Days

Day: 7.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,197,640 km

• M1: 161,715 km (0.113 R)
• M2: 733,329 km (0.052 R)
• M3: 1,328,579 km (0.113 R)
• M4: 2,095,417 km (0.047 R)
• M5: 2,629,332 km (0.035 R)
• M6: 3,945,793 km (0.108 R)
• M7: 4,800,446 km (0.094 R)
• M8: 5,281,104 km (0.108 R)
• M9: 5,793,926 km (0.041 R)
• M10: 6,667,128 km (0.036 R)
• M11: 7,355,877 km (0.05 R)
• M12: 7,950,080 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.7

Radius: 12.7

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.85 AU - 1.95 AU

Year: 1718 Days

Day: 9 Hours

Environment

Temp: -180 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,197,640 km

• M1: 172,935 km (0.04 R)
• M2: 650,302 km (0.047 R)
• M3: 1,329,626 km (0.062 R)
• M4: 1,781,860 km (0.101 R)
• M5: 2,430,666 km (0.097 R)
• M6: 5,752,487 km (0.086 R)
• M7: 6,956,451 km (0.088 R)
• M8: 7,355,428 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.4

Radius: 8.7

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.92 AU - 2 AU

Year: 1800 Days

Day: 6.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,197,640 km

• M1: 108,458 km (0.097 R)
• M2: 691,890 km (0.1 R)
• M3: 1,264,700 km (0.095 R)
• M4: 1,716,187 km (0.078 R)
• M5: 2,504,568 km (0.088 R)
• M6: 7,243,678 km (0.117 R)
• M7: 9,592,215 km (0.115 R)
• M8: 9,896,348 km (0.108 R)
• M9: 11,666,540 km (0.103 R)
• M10: 12,169,488 km (0.118 R)
• M11: 13,936,986 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.7

Radius: 9.9

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.01 AU - 2.55 AU

Year: 2258 Days

Day: 5.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,197,640 km

• M1: 123,119 km (0.093 R)
• M2: 520,152 km (0.112 R)
• M3: 1,155,494 km (0.116 R)
• M4: 2,094,370 km (0.105 R)
• M5: 2,444,728 km (0.092 R)
• M6: 2,913,867 km (0.119 R)
• M7: 3,282,476 km (0.114 R)
• M8: 4,196,519 km (0.109 R)
• M9: 4,646,360 km (0.068 R)
• M10: 5,128,215 km (0.089 R)
• M11: 5,542,302 km (0.119 R)
• M12: 6,493,595 km (0.094 R)
• M13: 7,488,570 km (0.108 R)
• M14: 7,990,471 km (0.112 R)
• M15: 8,514,812 km (0.114 R)
• M16: 9,167,208 km (0.089 R)
• M17: 9,815,415 km (0.099 R)
• M18: 10,264,508 km (0.062 R)
• M19: 10,963,579 km (0.055 R)
• M20: 12,500,248 km (0.035 R)
• M21: 13,524,994 km (0.074 R)
• M22: 13,847,676 km (0.105 R)
• M23: 16,046,915 km (0.079 R)
• M24: 17,581,789 km (0.102 R)
• M25: 18,188,857 km (0.07 R)
• M26: 19,797,184 km (0.116 R)

Asteroid Belt

Center: 2.81 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.7

Radius: 13.1

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.66 AU - 4.02 AU

Year: 4004 Days

Day: 11.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,197,640 km

• M1: 162,912 km (0.069 R)
• M2: 851,810 km (0.034 R)
• M3: 1,460,075 km (0.102 R)
• M4: 2,222,875 km (0.111 R)
• M5: 3,511,660 km (0.05 R)
• M6: 4,616,291 km (0.057 R)
• M7: 8,816,700 km (0.114 R)
• M8: 9,388,613 km (0.06 R)
• M9: 9,921,480 km (0.062 R)
• M10: 11,394,571 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.9

Radius: 13.6

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.94 AU - 5.38 AU

Year: 7689 Days

Day: 13.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,197,640 km

• M1: 169,195 km (0.042 R)
• M2: 960,867 km (0.048 R)
• M3: 1,959,134 km (0.096 R)
• M4: 4,617,488 km (0.114 R)
• M5: 7,472,264 km (0.092 R)
• M6: 13,329,170 km (0.097 R)
• M7: 13,818,505 km (0.086 R)
• M8: 15,897,317 km (0.112 R)
• M9: 20,739,501 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.9

Radius: 14.8

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.39 AU - 6.63 AU

Year: 8485 Days

Day: 6 Hours

Environment

Temp: -223 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,197,640 km

• M1: 184,005 km (0.076 R)
• M2: 663,018 km (0.106 R)
• M3: 1,376,300 km (0.111 R)
• M4: 2,636,812 km (0.088 R)
• M5: 3,579,428 km (0.108 R)
• M6: 4,765,590 km (0.105 R)
• M7: 7,242,482 km (0.074 R)
• M8: 8,483,097 km (0.093 R)
• M9: 10,481,724 km (0.055 R)
• M10: 12,777,902 km (0.106 R)
• M11: 13,866,675 km (0.101 R)
• M12: 14,585,643 km (0.097 R)
• M13: 16,098,227 km (0.05 R)
• M14: 18,133,207 km (0.101 R)
• M15: 18,775,879 km (0.079 R)
• M16: 20,487,728 km (0.106 R)
• M17: 21,579,343 km (0.053 R)
• M18: 22,545,596 km (0.108 R)
• M19: 24,048,905 km (0.096 R)
• M20: 25,707,197 km (0.106 R)
• M21: 27,533,937 km (0.082 R)
• M22: 31,037,968 km (0.108 R)
• M23: 34,284,990 km (0.095 R)
• M24: 39,036,966 km (0.11 R)
• M25: 39,989,306 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.3

Radius: 7.9

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.26 AU - 11.4 AU

Year: 18695 Days

Day: 24.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,197,640 km

• M1: 98,435 km (0.106 R)
• M2: 346,618 km (0.109 R)
• M3: 1,449,903 km (0.12 R)
• M4: 2,425,879 km (0.116 R)
• M5: 2,892,924 km (0.101 R)
• M6: 3,704,642 km (0.081 R)
• M7: 4,207,291 km (0.073 R)
• M8: 4,882,276 km (0.073 R)
• M9: 7,007,314 km (0.066 R)
• M10: 7,556,936 km (0.092 R)
• M11: 9,889,915 km (0.069 R)
• M12: 10,690,713 km (0.051 R)
• M13: 13,608,619 km (0.063 R)
• M14: 15,354,127 km (0.056 R)
• M15: 22,097,550 km (0.082 R)
• M16: 22,910,016 km (0.065 R)
• M17: 26,966,662 km (0.094 R)
• M18: 31,818,121 km (0.091 R)
• M19: 35,357,008 km (0.05 R)
• M20: 36,218,841 km (0.101 R)
• M21: 38,758,714 km (0.104 R)
• M22: 43,205,062 km (0.104 R)
• M23: 54,224,740 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.8

Radius: 3.5

Gravity: 60.56 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 10.65 AU - 10.81 AU

Year: 23057 Days

Day: 16.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 67,197,640 km

• M1: 294,558 km (0.084 R)
• M2: 503,696 km (0.117 R)
• M3: 632,500 km (0.03 R)
• M4: 751,281 km (0.105 R)
• M5: 1,008,589 km (0.086 R)
• M6: 1,129,614 km (0.069 R)
• M7: 1,809,835 km (0.043 R)
• M8: 2,315,775 km (0.064 R)
• M9: 3,508,519 km (0.118 R)
• M10: 3,788,416 km (0.12 R)
• M11: 4,463,851 km (0.105 R)
• M12: 5,215,730 km (0.11 R)
• M13: 6,004,859 km (0.083 R)
• M14: 6,180,636 km (0.032 R)
• M15: 7,972,819 km (0.086 R)
• M16: 8,131,691 km (0.078 R)
• M17: 9,072,662 km (0.082 R)
• M18: 9,900,088 km (0.11 R)
• M19: 10,905,984 km (0.11 R)
• M20: 11,101,957 km (0.053 R)
• M21: 11,300,174 km (0.109 R)
• M22: 13,866,975 km (0.096 R)
• M23: 16,367,353 km (0.066 R)
• M24: 16,796,849 km (0.067 R)
• M25: 23,084,298 km (0.083 R)
• M26: 23,624,346 km (0.086 R)
• M27: 26,217,176 km (0.098 R)
• M28: 29,748,584 km (0.106 R)
• M29: 37,439,560 km (0.059 R)
• M30: 39,243,860 km (0.067 R)
• M31: 40,478,491 km (0.046 R)
• M32: 43,677,642 km (0.098 R)
• M33: 45,003,228 km (0.083 R)
• M34: 48,083,149 km (0.102 R)
• M35: 48,609,734 km (0.085 R)
• M36: 50,754,668 km (0.09 R)
• M37: 52,404,284 km (0.119 R)
• M38: 62,639,321 km (0.112 R)
• M39: 71,134,536 km (0.035 R)
• M40: 83,864,566 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.5

Radius: 6.3

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 9.54 AU - 12.46 AU

Year: 23933 Days

Day: 20.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,197,640 km

• M1: 78,389 km (0.112 R)
• M2: 413,937 km (0.076 R)
• M3: 623,374 km (0.029 R)
• M4: 3,055,836 km (0.11 R)
• M5: 3,288,760 km (0.099 R)
• M6: 4,309,915 km (0.093 R)
• M7: 4,570,215 km (0.107 R)
• M8: 5,377,595 km (0.06 R)
• M9: 7,091,388 km (0.115 R)
• M10: 9,680,179 km (0.112 R)
• M11: 10,530,194 km (0.074 R)
• M12: 15,238,338 km (0.034 R)
• M13: 15,539,030 km (0.105 R)
• M14: 16,861,326 km (0.066 R)
• M15: 22,513,283 km (0.098 R)
• M16: 23,001,720 km (0.034 R)
• M17: 24,406,893 km (0.097 R)
• M18: 31,442,480 km (0.061 R)
• M19: 33,549,267 km (0.077 R)
• M20: 34,831,471 km (0.109 R)
• M21: 36,146,137 km (0.056 R)
• M22: 45,662,506 km (0.116 R)
• M23: 48,197,292 km (0.081 R)
• M24: 51,664,522 km (0.105 R)
• M25: 52,173,155 km (0.117 R)
• M26: 56,720,930 km (0.089 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 15,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit