🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.1

Radius: 13.9

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.63 AU - 0.79 AU

Year: 413 Days

Day: 14.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,106,915 km

• M1: 172,935 km (0.112 R)
• M2: 672,891 km (0.061 R)
• M3: 1,170,304 km (0.057 R)
• M4: 2,162,138 km (0.118 R)
• M5: 2,663,291 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957

Radius: 13.8

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.92 AU - 1.46 AU

Year: 896 Days

Day: 6.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,106,915 km

• M1: 171,589 km (0.099 R)
• M2: 612,753 km (0.101 R)
• M3: 1,070,971 km (0.113 R)
• M4: 1,572,124 km (0.09 R)
• M5: 2,639,505 km (0.104 R)
• M6: 3,138,563 km (0.119 R)
• M7: 3,871,294 km (0.056 R)
• M8: 4,346,865 km (0.119 R)
• M9: 5,298,607 km (0.097 R)
• M10: 6,165,227 km (0.082 R)
• M11: 7,100,364 km (0.088 R)
• M12: 8,259,897 km (0.103 R)
• M13: 9,224,055 km (0.047 R)
• M14: 10,572,231 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.7

Radius: 14.7

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.38 AU - 1.9 AU

Year: 1450 Days

Day: 12.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,106,915 km

• M1: 183,108 km (0.087 R)
• M2: 685,009 km (0.064 R)
• M3: 1,159,084 km (0.086 R)
• M4: 1,724,564 km (0.09 R)
• M5: 2,508,008 km (0.062 R)
• M6: 3,842,421 km (0.065 R)
• M7: 5,225,603 km (0.086 R)
• M8: 5,990,647 km (0.114 R)
• M9: 6,563,307 km (0.115 R)
• M10: 7,575,038 km (0.083 R)
• M11: 8,714,974 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.5

Radius: 10.8

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.53 AU - 1.79 AU

Year: 1476 Days

Day: 12.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,106,915 km

• M1: 135,386 km (0.086 R)
• M2: 949,647 km (0.112 R)
• M3: 1,550,133 km (0.042 R)
• M4: 1,891,815 km (0.105 R)
• M5: 2,343,002 km (0.112 R)
• M6: 2,879,161 km (0.091 R)
• M7: 3,606,655 km (0.077 R)
• M8: 4,814,508 km (0.113 R)
• M9: 6,019,968 km (0.058 R)
• M10: 6,829,143 km (0.05 R)
• M11: 8,751,027 km (0.056 R)
• M12: 9,382,629 km (0.081 R)
• M13: 10,436,546 km (0.077 R)
• M14: 10,940,840 km (0.083 R)
• M15: 12,181,156 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.6

Radius: 8.3

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.4 AU - 2.22 AU

Year: 1681 Days

Day: 12.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,106,915 km

• M1: 147,952 km (0.044 R)
• M2: 464,801 km (0.043 R)
• M3: 1,190,500 km (0.089 R)
• M4: 1,709,904 km (0.061 R)
• M5: 2,120,101 km (0.086 R)
• M6: 2,790,299 km (0.097 R)
• M7: 3,855,736 km (0.091 R)
• M8: 5,130,160 km (0.108 R)
• M9: 6,168,668 km (0.102 R)
• M10: 7,212,712 km (0.109 R)
• M11: 7,576,833 km (0.084 R)
• M12: 9,217,473 km (0.088 R)
• M13: 10,610,977 km (0.07 R)
• M14: 11,887,196 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.9

Radius: 13.8

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.91 AU - 5.27 AU

Year: 6788 Days

Day: 13.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,106,915 km

• M1: 171,589 km (0.054 R)
• M2: 1,078,601 km (0.118 R)
• M3: 1,654,104 km (0.087 R)
• M4: 2,344,647 km (0.097 R)
• M5: 3,265,722 km (0.096 R)
• M6: 3,921,708 km (0.057 R)
• M7: 4,525,186 km (0.084 R)
• M8: 5,312,220 km (0.094 R)
• M9: 6,680,443 km (0.104 R)
• M10: 7,702,346 km (0.111 R)
• M11: 8,355,789 km (0.1 R)
• M12: 11,817,783 km (0.086 R)
• M13: 12,466,589 km (0.072 R)
• M14: 13,253,623 km (0.092 R)
• M15: 14,133,259 km (0.105 R)
• M16: 17,764,897 km (0.073 R)
• M17: 18,834,372 km (0.08 R)
• M18: 21,576,351 km (0.072 R)
• M19: 26,721,172 km (0.038 R)
• M20: 29,873,498 km (0.113 R)
• M21: 30,572,718 km (0.031 R)
• M22: 32,630,736 km (0.094 R)
• M23: 39,001,362 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.4

Radius: 9.3

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.47 AU - 5.71 AU

Year: 7927 Days

Day: 5.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 52,106,915 km

• M1: 115,639 km (0.116 R)
• M2: 537,655 km (0.092 R)
• M3: 1,282,503 km (0.075 R)
• M4: 2,211,805 km (0.087 R)
• M5: 2,569,942 km (0.068 R)
• M6: 3,067,056 km (0.079 R)
• M7: 3,742,490 km (0.106 R)
• M8: 4,513,667 km (0.111 R)
• M9: 4,811,666 km (0.069 R)
• M10: 5,477,376 km (0.107 R)
• M11: 5,785,548 km (0.116 R)
• M12: 6,815,081 km (0.088 R)
• M13: 8,278,297 km (0.09 R)
• M14: 9,104,975 km (0.104 R)
• M15: 10,540,666 km (0.088 R)
• M16: 11,165,087 km (0.048 R)
• M17: 12,173,527 km (0.084 R)
• M18: 12,968,939 km (0.113 R)
• M19: 13,855,007 km (0.087 R)
• M20: 14,370,970 km (0.085 R)
• M21: 15,624,600 km (0.097 R)
• M22: 16,884,812 km (0.117 R)
• M23: 17,275,861 km (0.08 R)
• M24: 17,606,323 km (0.062 R)
• M25: 20,477,106 km (0.047 R)
• M26: 22,924,079 km (0.097 R)
• M27: 24,798,989 km (0.071 R)
• M28: 26,950,505 km (0.053 R)
• M29: 31,034,228 km (0.072 R)
• M30: 33,019,840 km (0.03 R)
• M31: 34,147,360 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 879.6

Radius: 5.6

Gravity: 28.05 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.14 AU - 6.2 AU

Year: 9319 Days

Day: 17.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,106,915 km

• M1: 87,365 km (0.114 R)
• M2: 292,613 km (0.089 R)
• M3: 484,847 km (0.116 R)
• M4: 681,568 km (0.106 R)
• M5: 1,606,382 km (0.112 R)
• M6: 1,869,674 km (0.115 R)
• M7: 2,624,994 km (0.099 R)
• M8: 3,222,637 km (0.091 R)
• M9: 3,988,728 km (0.111 R)
• M10: 4,932,840 km (0.105 R)
• M11: 5,909,565 km (0.118 R)
• M12: 6,090,129 km (0.109 R)
• M13: 6,538,624 km (0.028 R)
• M14: 6,810,293 km (0.118 R)
• M15: 9,213,882 km (0.12 R)
• M16: 9,704,563 km (0.114 R)
• M17: 10,473,048 km (0.11 R)
• M18: 12,481,399 km (0.089 R)
• M19: 15,065,852 km (0.109 R)
• M20: 19,859,716 km (0.092 R)
• M21: 21,262,944 km (0.113 R)
• M22: 21,602,531 km (0.096 R)
• M23: 21,945,559 km (0.079 R)
• M24: 22,292,327 km (0.102 R)
• M25: 27,840,912 km (0.109 R)
• M26: 28,145,343 km (0.1 R)
• M27: 33,666,402 km (0.117 R)
• M28: 35,180,931 km (0.118 R)
• M29: 35,417,894 km (0.1 R)
• M30: 40,904,546 km (0.104 R)
• M31: 44,399,002 km (0.12 R)
• M32: 46,502,947 km (0.11 R)
• M33: 47,218,773 km (0.04 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.2

Radius: 5

Gravity: 36.97 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.46 AU - 6.52 AU

Year: 10119 Days

Day: 20.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,106,915 km

• M1: 62,233 km (0.091 R)
• M2: 224,696 km (0.108 R)
• M3: 422,165 km (0.092 R)
• M4: 669,600 km (0.087 R)
• M5: 1,043,296 km (0.099 R)
• M6: 1,232,686 km (0.06 R)
• M7: 1,516,324 km (0.088 R)
• M8: 1,744,760 km (0.115 R)
• M9: 2,139,549 km (0.087 R)
• M10: 2,965,179 km (0.097 R)
• M11: 3,449,428 km (0.069 R)
• M12: 4,421,215 km (0.091 R)
• M13: 4,698,121 km (0.079 R)
• M14: 4,986,396 km (0.097 R)
• M15: 5,286,490 km (0.104 R)
• M16: 5,705,064 km (0.064 R)
• M17: 6,807,900 km (0.078 R)
• M18: 9,277,013 km (0.081 R)
• M19: 10,737,686 km (0.094 R)
• M20: 14,504,411 km (0.1 R)
• M21: 14,773,837 km (0.101 R)
• M22: 15,323,011 km (0.097 R)
• M23: 18,667,570 km (0.078 R)
• M24: 24,787,619 km (0.084 R)
• M25: 29,895,489 km (0.059 R)
• M26: 32,925,295 km (0.095 R)
• M27: 35,662,487 km (0.106 R)
• M28: 37,653,784 km (0.029 R)
• M29: 38,162,866 km (0.092 R)
• M30: 40,510,954 km (0.097 R)
• M31: 42,677,281 km (0.046 R)
• M32: 51,645,523 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.7

Radius: 3.3

Gravity: 74.72 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.02 AU - 6.18 AU

Year: 10399 Days

Day: 19.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,106,915 km

• M1: 97,987 km (0.08 R)
• M2: 329,714 km (0.112 R)
• M3: 502,798 km (0.115 R)
• M4: 3,423,547 km (0.088 R)
• M5: 3,682,202 km (0.101 R)
• M6: 4,151,790 km (0.115 R)
• M7: 5,276,018 km (0.072 R)
• M8: 6,355,965 km (0.087 R)
• M9: 7,705,038 km (0.073 R)
• M10: 9,382,030 km (0.071 R)
• M11: 9,582,192 km (0.069 R)
• M12: 14,405,677 km (0.069 R)
• M13: 19,313,085 km (0.094 R)
• M14: 19,882,155 km (0.114 R)
• M15: 22,716,736 km (0.111 R)
• M16: 23,350,732 km (0.102 R)
• M17: 25,809,223 km (0.098 R)
• M18: 27,710,911 km (0.119 R)
• M19: 28,330,396 km (0.11 R)
• M20: 29,811,564 km (0.086 R)
• M21: 31,566,647 km (0.115 R)
• M22: 32,016,039 km (0.027 R)
• M23: 34,563,541 km (0.119 R)
• M24: 36,130,728 km (0.104 R)
• M25: 38,505,445 km (0.068 R)
• M26: 42,055,851 km (0.075 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: 197 - 17,050 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit