🌌 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: 780.5

Radius: 11.4

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.62 AU - 0.94 AU

Year: 445 Days

Day: 12.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,438,045 km

• M1: 141,819 km (0.12 R)
• M2: 514,617 km (0.069 R)
• M3: 951,891 km (0.044 R)
• M4: 1,340,397 km (0.086 R)
• M5: 1,722,171 km (0.053 R)
• M6: 2,621,104 km (0.081 R)
• M7: 3,756,851 km (0.104 R)
• M8: 4,201,007 km (0.072 R)
• M9: 4,665,060 km (0.052 R)
• M10: 5,035,315 km (0.104 R)
• M11: 5,783,154 km (0.043 R)
• M12: 6,211,453 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.1

Radius: 15

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.64 AU - 1 AU

Year: 479 Days

Day: 11.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,438,045 km

• M1: 186,549 km (0.099 R)
• M2: 684,709 km (0.094 R)
• M3: 1,352,365 km (0.065 R)
• M4: 2,030,043 km (0.076 R)
• M5: 2,633,820 km (0.103 R)
• M6: 3,411,879 km (0.119 R)
• M7: 4,158,970 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.5

Radius: 13.1

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.71 AU - 1.91 AU

Year: 1572 Days

Day: 13.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,438,045 km

• M1: 162,912 km (0.119 R)
• M2: 590,762 km (0.06 R)
• M3: 1,085,333 km (0.063 R)
• M4: 1,683,126 km (0.072 R)
• M5: 2,146,879 km (0.095 R)
• M6: 3,269,162 km (0.056 R)
• M7: 3,890,741 km (0.061 R)
• M8: 4,732,529 km (0.111 R)
• M9: 5,235,626 km (0.088 R)
• M10: 5,920,037 km (0.107 R)
• M11: 6,416,402 km (0.111 R)
• M12: 7,468,374 km (0.067 R)
• M13: 9,853,713 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.9

Radius: 13.9

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.49 AU - 3.13 AU

Year: 3041 Days

Day: 11.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,438,045 km

• M1: 182,210 km (0.03 R)
• M2: 630,555 km (0.053 R)
• M3: 1,176,587 km (0.04 R)
• M4: 1,763,011 km (0.114 R)
• M5: 2,679,747 km (0.09 R)
• M6: 3,598,876 km (0.111 R)
• M7: 4,185,599 km (0.106 R)
• M8: 5,148,710 km (0.081 R)
• M9: 5,762,510 km (0.078 R)
• M10: 7,230,364 km (0.052 R)
• M11: 7,804,072 km (0.111 R)
• M12: 10,329,883 km (0.106 R)
• M13: 11,822,121 km (0.108 R)
• M14: 15,489,962 km (0.115 R)
• M15: 17,160,521 km (0.114 R)
• M16: 18,068,431 km (0.047 R)
• M17: 19,733,904 km (0.066 R)
• M18: 22,354,410 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.7

Radius: 11

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.87 AU - 2.97 AU

Year: 3222 Days

Day: 5.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,438,045 km

• M1: 136,882 km (0.074 R)
• M2: 485,894 km (0.097 R)
• M3: 1,021,903 km (0.112 R)
• M4: 1,366,876 km (0.09 R)
• M5: 1,948,063 km (0.106 R)
• M6: 3,626,252 km (0.082 R)
• M7: 4,320,835 km (0.073 R)
• M8: 5,102,035 km (0.077 R)
• M9: 5,761,014 km (0.111 R)
• M10: 6,277,875 km (0.116 R)
• M11: 7,884,406 km (0.089 R)
• M12: 8,591,406 km (0.058 R)
• M13: 9,014,020 km (0.119 R)
• M14: 9,749,443 km (0.089 R)
• M15: 11,465,630 km (0.107 R)
• M16: 14,429,463 km (0.052 R)
• M17: 15,384,196 km (0.112 R)
• M18: 17,869,765 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.8

Radius: 14.9

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.12 AU - 3.32 AU

Year: 3731 Days

Day: 5.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,438,045 km

• M1: 185,352 km (0.107 R)
• M2: 649,853 km (0.096 R)
• M3: 1,149,959 km (0.107 R)
• M4: 1,929,962 km (0.096 R)
• M5: 3,370,590 km (0.085 R)
• M6: 4,027,773 km (0.066 R)
• M7: 4,716,222 km (0.101 R)
• M8: 5,641,336 km (0.111 R)
• M9: 7,240,537 km (0.111 R)
• M10: 8,419,667 km (0.119 R)
• M11: 9,097,346 km (0.047 R)
• M12: 9,636,347 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.6

Radius: 9.3

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.07 AU - 5.01 AU

Year: 5243 Days

Day: 9.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,438,045 km

• M1: 115,639 km (0.09 R)
• M2: 405,709 km (0.081 R)
• M3: 847,622 km (0.114 R)
• M4: 1,194,090 km (0.09 R)
• M5: 1,841,550 km (0.076 R)
• M6: 2,168,870 km (0.101 R)
• M7: 3,113,580 km (0.114 R)
• M8: 3,603,214 km (0.07 R)
• M9: 4,359,581 km (0.11 R)
• M10: 5,301,599 km (0.029 R)
• M11: 6,062,155 km (0.098 R)
• M12: 6,437,047 km (0.052 R)
• M13: 7,548,260 km (0.116 R)
• M14: 9,719,074 km (0.097 R)
• M15: 10,103,242 km (0.069 R)
• M16: 11,270,105 km (0.078 R)
• M17: 11,886,149 km (0.078 R)
• M18: 13,445,857 km (0.097 R)
• M19: 14,967,865 km (0.089 R)
• M20: 15,887,443 km (0.086 R)
• M21: 16,182,450 km (0.038 R)
• M22: 18,029,835 km (0.111 R)
• M23: 20,706,140 km (0.077 R)
• M24: 21,558,100 km (0.087 R)
• M25: 22,581,350 km (0.113 R)
• M26: 22,879,498 km (0.103 R)
• M27: 26,335,808 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603.9

Radius: 4

Gravity: 37.74 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.85 AU - 6.93 AU

Year: 10430 Days

Day: 18.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,438,045 km

• M1: 50,714 km (0.063 R)
• M2: 587,620 km (0.09 R)
• M3: 796,459 km (0.097 R)
• M4: 938,427 km (0.077 R)
• M5: 1,470,098 km (0.037 R)
• M6: 1,716,037 km (0.095 R)
• M7: 1,922,033 km (0.114 R)
• M8: 2,198,191 km (0.1 R)
• M9: 2,383,842 km (0.081 R)
• M10: 2,579,815 km (0.06 R)
• M11: 2,807,802 km (0.092 R)
• M12: 3,233,109 km (0.092 R)
• M13: 3,856,633 km (0.114 R)
• M14: 5,304,441 km (0.084 R)
• M15: 5,470,046 km (0.105 R)
• M16: 7,526,269 km (0.058 R)
• M17: 7,651,482 km (0.112 R)
• M18: 9,073,410 km (0.11 R)
• M19: 10,506,109 km (0.048 R)
• M20: 19,495,744 km (0.066 R)
• M21: 23,596,521 km (0.069 R)
• M22: 25,611,155 km (0.083 R)
• M23: 26,275,520 km (0.073 R)
• M24: 30,293,419 km (0.048 R)
• M25: 31,791,044 km (0.108 R)
• M26: 32,337,674 km (0.054 R)
• M27: 43,278,215 km (0.066 R)
• M28: 45,450,526 km (0.113 R)
• M29: 46,563,534 km (0.031 R)
• M30: 47,126,770 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285

Radius: 7.5

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 9.02 AU - 9.5 AU

Year: 18194 Days

Day: 22.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,438,045 km

• M1: 93,499 km (0.119 R)
• M2: 364,121 km (0.082 R)
• M3: 740,958 km (0.075 R)
• M4: 1,237,025 km (0.05 R)
• M5: 1,954,795 km (0.115 R)
• M6: 3,131,383 km (0.066 R)
• M7: 4,566,625 km (0.12 R)
• M8: 5,655,847 km (0.03 R)
• M9: 6,242,270 km (0.108 R)
• M10: 8,109,102 km (0.069 R)
• M11: 8,950,590 km (0.12 R)
• M12: 9,593,562 km (0.11 R)
• M13: 9,900,537 km (0.101 R)
• M14: 10,214,094 km (0.111 R)
• M15: 10,916,157 km (0.119 R)
• M16: 15,819,825 km (0.111 R)
• M17: 16,104,959 km (0.118 R)
• M18: 16,538,942 km (0.058 R)
• M19: 18,510,493 km (0.083 R)
• M20: 21,491,679 km (0.117 R)
• M21: 28,701,099 km (0.096 R)
• M22: 29,553,957 km (0.073 R)
• M23: 30,095,501 km (0.095 R)
• M24: 34,788,536 km (0.076 R)
• M25: 36,002,972 km (0.092 R)
• M26: 36,994,656 km (0.112 R)
• M27: 38,004,441 km (0.04 R)
• M28: 48,531,045 km (0.082 R)
• M29: 49,284,719 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.6

Radius: 5.7

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.2 AU - 9.9 AU

Year: 19055 Days

Day: 23.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,438,045 km

• M1: 71,358 km (0.079 R)
• M2: 268,379 km (0.12 R)
• M3: 445,951 km (0.086 R)
• M4: 778,059 km (0.105 R)
• M5: 1,056,011 km (0.09 R)
• M6: 1,263,952 km (0.116 R)
• M7: 2,170,216 km (0.112 R)
• M8: 2,792,244 km (0.106 R)
• M9: 3,344,709 km (0.103 R)
• M10: 5,989,001 km (0.098 R)
• M11: 6,180,337 km (0.101 R)
• M12: 7,998,400 km (0.088 R)
• M13: 11,973,066 km (0.052 R)
• M14: 12,216,013 km (0.091 R)
• M15: 12,964,451 km (0.089 R)
• M16: 13,875,801 km (0.112 R)
• M17: 15,321,814 km (0.104 R)
• M18: 15,971,218 km (0.116 R)
• M19: 17,170,694 km (0.119 R)
• M20: 20,690,134 km (0.099 R)
• M21: 22,756,529 km (0.043 R)
• M22: 23,601,308 km (0.091 R)
• M23: 24,369,643 km (0.112 R)
• M24: 27,294,580 km (0.097 R)
• M25: 31,126,231 km (0.103 R)
• M26: 37,717,214 km (0.098 R)
• M27: 38,370,807 km (0.083 R)
• M28: 38,899,037 km (0.091 R)
• M29: 41,752,317 km (0.077 R)
• M30: 42,733,529 km (0.118 R)
• M31: 54,895,088 km (0.094 R)
• M32: 57,266,065 km (0.117 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: 185 - 14,897 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit