🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.6

Radius: 12.7

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.42 AU - 0.68 AU

Year: 282 Days

Day: 8.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,153,280 km

• M1: 157,975 km (0.067 R)
• M2: 608,714 km (0.117 R)
• M3: 1,082,341 km (0.106 R)
• M4: 1,520,363 km (0.068 R)
• M5: 1,980,227 km (0.085 R)
• M6: 2,428,572 km (0.055 R)
• M7: 2,945,133 km (0.063 R)
• M8: 3,380,164 km (0.094 R)
• M9: 3,858,129 km (0.093 R)
• M10: 4,525,934 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.6

Radius: 11.5

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.22 AU - 1.72 AU

Year: 1230 Days

Day: 10.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,153,280 km

• M1: 143,165 km (0.111 R)
• M2: 898,186 km (0.091 R)
• M3: 1,397,843 km (0.079 R)
• M4: 2,542,416 km (0.113 R)
• M5: 2,944,535 km (0.033 R)
• M6: 3,612,041 km (0.033 R)
• M7: 3,982,146 km (0.1 R)
• M8: 4,490,180 km (0.085 R)
• M9: 4,980,113 km (0.08 R)
• M10: 5,440,426 km (0.106 R)
• M11: 5,952,050 km (0.091 R)
• M12: 6,969,316 km (0.089 R)
• M13: 7,930,482 km (0.062 R)
• M14: 8,707,793 km (0.1 R)
• M15: 9,284,642 km (0.082 R)
• M16: 10,148,121 km (0.118 R)
• M17: 11,134,270 km (0.08 R)
• M18: 11,777,840 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.5

Radius: 13.4

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.75 AU - 2.47 AU

Year: 2116 Days

Day: 13.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,153,280 km

• M1: 166,652 km (0.098 R)
• M2: 784,940 km (0.1 R)
• M3: 1,378,694 km (0.107 R)
• M4: 1,842,896 km (0.08 R)
• M5: 2,970,565 km (0.083 R)
• M6: 3,596,034 km (0.063 R)
• M7: 5,346,628 km (0.103 R)
• M8: 6,092,672 km (0.084 R)
• M9: 7,078,373 km (0.094 R)
• M10: 8,457,067 km (0.106 R)
• M11: 9,262,053 km (0.092 R)
• M12: 10,564,751 km (0.111 R)
• M13: 11,863,111 km (0.106 R)
• M14: 12,958,916 km (0.11 R)
• M15: 13,397,985 km (0.104 R)
• M16: 14,445,769 km (0.07 R)
• M17: 14,965,771 km (0.052 R)
• M18: 17,067,471 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.3

Radius: 8.3

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.03 AU - 3.31 AU

Year: 3011 Days

Day: 5.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,153,280 km

• M1: 104,270 km (0.086 R)
• M2: 368,011 km (0.029 R)
• M3: 765,044 km (0.114 R)
• M4: 1,258,118 km (0.05 R)
• M5: 1,924,277 km (0.119 R)
• M6: 2,757,538 km (0.032 R)
• M7: 3,434,468 km (0.045 R)
• M8: 4,651,895 km (0.118 R)
• M9: 5,267,939 km (0.104 R)
• M10: 7,283,621 km (0.119 R)
• M11: 7,608,398 km (0.086 R)
• M12: 7,909,090 km (0.088 R)
• M13: 8,786,033 km (0.054 R)
• M14: 9,342,387 km (0.086 R)
• M15: 9,765,151 km (0.076 R)
• M16: 10,525,557 km (0.096 R)
• M17: 12,209,131 km (0.089 R)
• M18: 12,808,121 km (0.052 R)
• M19: 14,215,089 km (0.069 R)
• M20: 15,296,083 km (0.114 R)
• M21: 16,877,931 km (0.079 R)
• M22: 17,218,266 km (0.103 R)
• M23: 20,299,384 km (0.104 R)
• M24: 21,009,226 km (0.113 R)
• M25: 21,469,389 km (0.103 R)
• M26: 22,273,777 km (0.118 R)
• M27: 22,614,860 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.4

Radius: 8.1

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.57 AU - 3.21 AU

Year: 3391 Days

Day: 13.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,153,280 km

• M1: 101,427 km (0.112 R)
• M2: 547,827 km (0.11 R)
• M3: 909,705 km (0.025 R)
• M4: 1,169,407 km (0.045 R)
• M5: 1,689,259 km (0.089 R)
• M6: 1,957,638 km (0.104 R)
• M7: 2,212,403 km (0.11 R)
• M8: 2,644,442 km (0.102 R)
• M9: 3,167,436 km (0.082 R)
• M10: 3,900,615 km (0.096 R)
• M11: 4,578,742 km (0.028 R)
• M12: 5,081,241 km (0.087 R)
• M13: 5,488,297 km (0.102 R)
• M14: 6,661,144 km (0.105 R)
• M15: 8,094,292 km (0.067 R)
• M16: 8,901,223 km (0.089 R)
• M17: 10,151,263 km (0.118 R)
• M18: 13,468,296 km (0.098 R)
• M19: 14,001,762 km (0.102 R)
• M20: 15,527,960 km (0.092 R)
• M21: 16,550,162 km (0.086 R)
• M22: 17,331,512 km (0.07 R)
• M23: 19,823,513 km (0.066 R)
• M24: 20,704,645 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.2

Radius: 9.3

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.1 AU - 5.68 AU

Year: 7464 Days

Day: 11.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 139 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,153,280 km

• M1: 117,285 km (0.116 R)
• M2: 443,258 km (0.094 R)
• M3: 958,025 km (0.082 R)
• M4: 1,420,133 km (0.077 R)
• M5: 1,811,929 km (0.113 R)
• M6: 2,716,847 km (0.103 R)
• M7: 3,149,634 km (0.07 R)
• M8: 3,822,375 km (0.102 R)
• M9: 4,180,064 km (0.081 R)
• M10: 4,672,839 km (0.068 R)
• M11: 5,296,064 km (0.1 R)
• M12: 6,212,201 km (0.089 R)
• M13: 6,599,809 km (0.092 R)
• M14: 7,739,446 km (0.106 R)
• M15: 8,188,539 km (0.11 R)
• M16: 9,456,381 km (0.113 R)
• M17: 11,782,029 km (0.09 R)
• M18: 13,922,176 km (0.079 R)
• M19: 16,111,691 km (0.115 R)
• M20: 16,508,723 km (0.095 R)
• M21: 17,460,764 km (0.107 R)
• M22: 20,152,928 km (0.071 R)
• M23: 21,878,389 km (0.119 R)
• M24: 25,800,696 km (0.101 R)
• M25: 26,803,600 km (0.078 R)
• M26: 31,589,236 km (0.072 R)
• M27: 38,540,002 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.2

Radius: 6.2

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.68 AU - 9.38 AU

Year: 14263 Days

Day: 23.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,153,280 km

• M1: 77,043 km (0.114 R)
• M2: 376,089 km (0.072 R)
• M3: 948,750 km (0.06 R)
• M4: 2,078,962 km (0.061 R)
• M5: 3,312,994 km (0.087 R)
• M6: 5,106,224 km (0.096 R)
• M7: 8,186,893 km (0.118 R)
• M8: 14,339,554 km (0.11 R)
• M9: 14,778,923 km (0.092 R)
• M10: 16,033,451 km (0.112 R)
• M11: 26,370,664 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.6

Radius: 4.5

Gravity: 12.82 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 7.88 AU - 9.72 AU

Year: 18019 Days

Day: 20.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 82,153,280 km

• M1: 55,950 km (0.108 R)
• M2: 202,855 km (0.055 R)
• M3: 350,209 km (0.066 R)
• M4: 511,026 km (0.07 R)
• M5: 739,013 km (0.091 R)
• M6: 1,170,304 km (0.054 R)
• M7: 2,002,218 km (0.052 R)
• M8: 2,633,820 km (0.103 R)
• M9: 3,414,123 km (0.095 R)
• M10: 3,776,449 km (0.043 R)
• M11: 3,939,361 km (0.101 R)
• M12: 8,361,623 km (0.054 R)
• M13: 12,763,690 km (0.12 R)
• M14: 12,946,649 km (0.116 R)
• M15: 13,255,568 km (0.109 R)
• M16: 13,632,704 km (0.048 R)
• M17: 13,952,395 km (0.058 R)
• M18: 15,212,907 km (0.077 R)
• M19: 16,547,469 km (0.044 R)
• M20: 17,205,999 km (0.102 R)
• M21: 17,882,032 km (0.109 R)
• M22: 19,689,473 km (0.119 R)
• M23: 22,225,307 km (0.077 R)
• M24: 24,404,499 km (0.096 R)
• M25: 27,831,337 km (0.038 R)
• M26: 29,819,643 km (0.086 R)
• M27: 31,343,746 km (0.059 R)
• M28: 32,125,096 km (0.105 R)
• M29: 35,620,599 km (0.096 R)
• M30: 40,928,033 km (0.045 R)
• M31: 43,218,226 km (0.04 R)
• M32: 44,604,550 km (0.099 R)
• M33: 46,594,650 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808

Radius: 6.5

Gravity: 19.12 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 8.14 AU - 11.14 AU

Year: 20660 Days

Day: 22.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,153,280 km

• M1: 81,082 km (0.114 R)
• M2: 491,279 km (0.073 R)
• M3: 873,951 km (0.07 R)
• M4: 1,079,349 km (0.09 R)
• M5: 1,523,355 km (0.032 R)
• M6: 2,103,346 km (0.056 R)
• M7: 3,250,014 km (0.048 R)
• M8: 3,846,610 km (0.064 R)
• M9: 4,137,728 km (0.118 R)
• M10: 7,313,092 km (0.069 R)
• M11: 8,386,157 km (0.039 R)
• M12: 11,554,491 km (0.087 R)
• M13: 13,366,570 km (0.085 R)
• M14: 14,417,046 km (0.046 R)
• M15: 16,596,238 km (0.114 R)
• M16: 21,797,906 km (0.12 R)
• M17: 23,038,670 km (0.066 R)
• M18: 23,249,903 km (0.089 R)
• M19: 23,676,406 km (0.114 R)
• M20: 24,435,017 km (0.089 R)
• M21: 25,773,320 km (0.12 R)
• M22: 33,338,633 km (0.111 R)
• M23: 34,982,864 km (0.064 R)
• M24: 44,021,417 km (0.094 R)
• M25: 44,510,154 km (0.06 R)
• M26: 61,724,530 km (0.065 R)
• M27: 67,598,341 km (0.119 R)
• M28: 75,218,109 km (0.119 R)
• M29: 75,916,581 km (0.118 R)
• M30: 76,619,541 km (0.072 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 19,829 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit