🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.7

Radius: 14.2

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.66 AU - 0.7 AU

Year: 380 Days

Day: 6.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,343,474 km

• M1: 177,273 km (0.118 R)
• M2: 621,729 km (0.103 R)
• M3: 1,238,371 km (0.03 R)
• M4: 1,779,766 km (0.115 R)
• M5: 2,382,795 km (0.034 R)
• M6: 3,053,741 km (0.103 R)
• M7: 3,544,572 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.5

Radius: 14.3

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.75 AU - 0.79 AU

Year: 458 Days

Day: 11.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 40,343,474 km

• M1: 177,872 km (0.11 R)
• M2: 654,042 km (0.096 R)
• M3: 2,119,054 km (0.107 R)
• M4: 2,919,702 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.6

Radius: 9.7

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.88 AU - 2.42 AU

Year: 2138 Days

Day: 10.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,343,474 km

• M1: 125,662 km (0.047 R)
• M2: 587,022 km (0.109 R)
• M3: 956,080 km (0.052 R)
• M4: 1,542,952 km (0.104 R)
• M5: 2,035,279 km (0.119 R)
• M6: 2,489,757 km (0.106 R)
• M7: 3,039,679 km (0.119 R)
• M8: 3,885,655 km (0.105 R)
• M9: 4,588,765 km (0.086 R)
• M10: 5,289,930 km (0.106 R)
• M11: 6,606,990 km (0.093 R)
• M12: 7,715,959 km (0.09 R)
• M13: 8,158,769 km (0.102 R)
• M14: 9,940,330 km (0.057 R)
• M15: 12,003,883 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.1

Radius: 10.3

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.7 AU - 2.88 AU

Year: 3161 Days

Day: 5.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,343,474 km

• M1: 128,205 km (0.085 R)
• M2: 477,666 km (0.066 R)
• M3: 845,677 km (0.059 R)
• M4: 1,281,007 km (0.077 R)
• M5: 1,749,996 km (0.096 R)
• M6: 2,210,907 km (0.092 R)
• M7: 2,924,339 km (0.085 R)
• M8: 3,432,523 km (0.071 R)
• M9: 3,920,063 km (0.087 R)
• M10: 4,410,444 km (0.077 R)
• M11: 4,850,113 km (0.114 R)
• M12: 5,740,818 km (0.048 R)
• M13: 6,568,244 km (0.084 R)
• M14: 7,321,769 km (0.106 R)
• M15: 8,794,859 km (0.077 R)
• M16: 9,244,849 km (0.085 R)
• M17: 11,647,092 km (0.096 R)
• M18: 12,275,253 km (0.081 R)
• M19: 13,282,047 km (0.071 R)
• M20: 15,064,954 km (0.054 R)
• M21: 16,633,488 km (0.044 R)
• M22: 17,322,536 km (0.062 R)
• M23: 17,701,467 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.7

Radius: 11.5

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4 AU - 4.14 AU

Year: 5569 Days

Day: 12.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 40,343,474 km

• M1: 143,315 km (0.118 R)
• M2: 784,790 km (0.083 R)
• M3: 1,212,192 km (0.112 R)
• M4: 1,668,465 km (0.114 R)
• M5: 2,162,886 km (0.095 R)
• M6: 2,974,006 km (0.075 R)
• M7: 3,347,103 km (0.086 R)
• M8: 4,070,558 km (0.097 R)
• M9: 5,447,457 km (0.091 R)
• M10: 6,258,277 km (0.104 R)
• M11: 6,742,526 km (0.114 R)
• M12: 7,251,757 km (0.119 R)
• M13: 7,933,474 km (0.116 R)
• M14: 8,424,155 km (0.077 R)
• M15: 11,235,249 km (0.116 R)
• M16: 14,901,145 km (0.116 R)
• M17: 15,766,868 km (0.089 R)
• M18: 16,604,765 km (0.047 R)
• M19: 18,174,496 km (0.092 R)
• M20: 18,697,041 km (0.099 R)
• M21: 19,432,015 km (0.111 R)
• M22: 20,465,138 km (0.119 R)
• M23: 21,752,877 km (0.099 R)
• M24: 22,491,142 km (0.11 R)
• M25: 24,095,879 km (0.061 R)
• M26: 25,531,121 km (0.097 R)
• M27: 27,532,441 km (0.065 R)
• M28: 28,222,087 km (0.043 R)
• M29: 30,087,573 km (0.078 R)
• M30: 30,727,253 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.1

Radius: 8.4

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.79 AU - 6.27 AU

Year: 8820 Days

Day: 9.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,343,474 km

• M1: 104,419 km (0.065 R)
• M2: 477,666 km (0.041 R)
• M3: 743,053 km (0.082 R)
• M4: 1,230,293 km (0.067 R)
• M5: 1,533,528 km (0.102 R)
• M6: 2,277,179 km (0.111 R)
• M7: 2,700,690 km (0.112 R)
• M8: 3,399,612 km (0.107 R)
• M9: 4,031,064 km (0.046 R)
• M10: 5,152,450 km (0.063 R)
• M11: 6,258,577 km (0.065 R)
• M12: 6,612,076 km (0.058 R)
• M13: 9,565,437 km (0.096 R)
• M14: 10,970,311 km (0.095 R)
• M15: 15,679,951 km (0.079 R)
• M16: 17,905,070 km (0.09 R)
• M17: 18,402,782 km (0.057 R)
• M18: 18,763,911 km (0.083 R)
• M19: 19,800,325 km (0.077 R)
• M20: 22,149,012 km (0.05 R)
• M21: 24,243,083 km (0.104 R)
• M22: 25,471,880 km (0.075 R)
• M23: 31,312,480 km (0.101 R)
• M24: 31,724,024 km (0.051 R)
• M25: 36,378,612 km (0.049 R)
• M26: 37,407,396 km (0.028 R)
• M27: 39,642,688 km (0.101 R)
• M28: 40,488,215 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.5

Radius: 4

Gravity: 22.59 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.02 AU - 6.26 AU

Year: 10319 Days

Day: 15.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,343,474 km

• M1: 62,682 km (0.09 R)
• M2: 196,871 km (0.046 R)
• M3: 342,729 km (0.112 R)
• M4: 1,192,744 km (0.047 R)
• M5: 1,431,053 km (0.117 R)
• M6: 1,671,906 km (0.087 R)
• M7: 2,339,561 km (0.058 R)
• M8: 2,578,020 km (0.104 R)
• M9: 2,832,636 km (0.096 R)
• M10: 5,017,662 km (0.116 R)
• M11: 6,658,302 km (0.099 R)
• M12: 6,987,567 km (0.092 R)
• M13: 8,413,384 km (0.118 R)
• M14: 9,060,844 km (0.09 R)
• M15: 9,374,102 km (0.09 R)
• M16: 9,602,239 km (0.086 R)
• M17: 12,526,428 km (0.12 R)
• M18: 21,435,729 km (0.09 R)
• M19: 23,464,725 km (0.092 R)
• M20: 25,974,529 km (0.104 R)
• M21: 31,519,523 km (0.043 R)
• M22: 33,920,569 km (0.07 R)
• M23: 35,771,693 km (0.104 R)
• M24: 35,993,696 km (0.078 R)
• M25: 39,318,509 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.1

Radius: 4.5

Gravity: 17.93 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 9.27 AU - 9.43 AU

Year: 19391 Days

Day: 23.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 40,343,474 km

• M1: 56,099 km (0.116 R)
• M2: 280,346 km (0.108 R)
• M3: 502,798 km (0.04 R)
• M4: 663,317 km (0.118 R)
• M5: 942,317 km (0.091 R)
• M6: 1,350,869 km (0.092 R)
• M7: 1,904,082 km (0.069 R)
• M8: 2,163,185 km (0.1 R)
• M9: 2,445,626 km (0.091 R)
• M10: 3,010,807 km (0.09 R)
• M11: 3,183,592 km (0.103 R)
• M12: 3,884,159 km (0.084 R)
• M13: 4,119,177 km (0.113 R)
• M14: 4,363,471 km (0.106 R)
• M15: 5,922,131 km (0.113 R)
• M16: 8,097,583 km (0.107 R)
• M17: 8,977,667 km (0.105 R)
• M18: 10,526,903 km (0.103 R)
• M19: 11,936,863 km (0.115 R)
• M20: 12,879,329 km (0.064 R)
• M21: 14,280,762 km (0.058 R)
• M22: 14,911,317 km (0.093 R)
• M23: 17,225,447 km (0.1 R)
• M24: 17,859,443 km (0.109 R)
• M25: 20,026,966 km (0.055 R)
• M26: 20,727,683 km (0.078 R)
• M27: 26,199,823 km (0.07 R)
• M28: 28,218,198 km (0.092 R)
• M29: 28,876,428 km (0.117 R)
• M30: 31,028,693 km (0.078 R)
• M31: 33,285,377 km (0.112 R)
• M32: 36,547,508 km (0.096 R)
• M33: 37,724,544 km (0.113 R)
• M34: 38,389,357 km (0.083 R)
• M35: 41,972,226 km (0.091 R)
• M36: 51,077,650 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.4

Radius: 3.5

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 7.69 AU - 12.19 AU

Year: 21255 Days

Day: 21.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,343,474 km

• M1: 114,891 km (0.116 R)
• M2: 255,812 km (0.052 R)
• M3: 553,363 km (0.065 R)
• M4: 1,164,619 km (0.095 R)
• M5: 1,452,595 km (0.088 R)
• M6: 1,846,487 km (0.117 R)
• M7: 2,965,778 km (0.115 R)
• M8: 3,642,858 km (0.11 R)
• M9: 3,814,596 km (0.111 R)
• M10: 4,726,994 km (0.077 R)
• M11: 5,326,731 km (0.039 R)
• M12: 5,516,122 km (0.104 R)
• M13: 7,197,004 km (0.09 R)
• M14: 8,835,699 km (0.09 R)
• M15: 9,929,708 km (0.094 R)
• M16: 10,072,425 km (0.118 R)
• M17: 10,558,468 km (0.043 R)
• M18: 15,085,449 km (0.104 R)
• M19: 16,640,220 km (0.114 R)
• M20: 19,762,477 km (0.114 R)
• M21: 21,460,563 km (0.102 R)
• M22: 27,882,949 km (0.083 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: 529 - 10,973 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit