🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

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: 943.9

Radius: 9.4

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.52 AU - 0.84 AU

Year: 387 Days

Day: 5.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,714,080 km

• M1: 116,986 km (0.108 R)
• M2: 592,856 km (0.111 R)
• M3: 973,284 km (0.114 R)
• M4: 1,278,912 km (0.088 R)
• M5: 1,606,681 km (0.086 R)
• M6: 2,398,203 km (0.048 R)
• M7: 2,860,461 km (0.045 R)
• M8: 3,181,947 km (0.105 R)
• M9: 3,703,146 km (0.113 R)
• M10: 5,513,130 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.2

Radius: 13.4

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.69 AU - 0.83 AU

Year: 457 Days

Day: 7.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,714,080 km

• M1: 166,652 km (0.103 R)
• M2: 674,836 km (0.102 R)
• M3: 1,609,673 km (0.106 R)
• M4: 2,361,702 km (0.088 R)
• M5: 2,866,445 km (0.111 R)
• M6: 3,384,502 km (0.072 R)
• M7: 3,861,570 km (0.068 R)
• M8: 5,200,172 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.4

Radius: 13.2

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.81 AU - 0.81 AU

Year: 503 Days

Day: 5.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,714,080 km

• M1: 164,408 km (0.073 R)
• M2: 641,775 km (0.11 R)
• M3: 1,247,497 km (0.078 R)
• M4: 1,909,766 km (0.098 R)
• M5: 2,689,471 km (0.099 R)
• M6: 3,275,894 km (0.114 R)
• M7: 3,697,012 km (0.069 R)
• M8: 4,167,647 km (0.111 R)
• M9: 5,001,954 km (0.071 R)
• M10: 5,547,538 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513

Radius: 8.9

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.84 AU - 0.9 AU

Year: 560 Days

Day: 11.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,714,080 km

• M1: 110,702 km (0.105 R)
• M2: 451,636 km (0.069 R)
• M3: 991,086 km (0.087 R)
• M4: 1,288,786 km (0.089 R)
• M5: 1,713,943 km (0.029 R)
• M6: 2,096,913 km (0.102 R)
• M7: 3,059,426 km (0.033 R)
• M8: 3,678,163 km (0.057 R)
• M9: 3,996,956 km (0.053 R)
• M10: 4,751,976 km (0.064 R)
• M11: 5,311,622 km (0.03 R)
• M12: 5,616,054 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.1

Radius: 9.9

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.16 AU - 1.38 AU

Year: 988 Days

Day: 14.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,714,080 km

• M1: 132,095 km (0.069 R)
• M2: 527,781 km (0.114 R)
• M3: 863,180 km (0.114 R)
• M4: 1,418,936 km (0.087 R)
• M5: 1,738,926 km (0.112 R)
• M6: 2,477,640 km (0.113 R)
• M7: 2,834,132 km (0.078 R)
• M8: 3,476,804 km (0.074 R)
• M9: 3,810,108 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220

Radius: 14.9

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.24 AU - 5.08 AU

Year: 6944 Days

Day: 5.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,714,080 km

• M1: 200,461 km (0.105 R)
• M2: 961,466 km (0.116 R)
• M3: 1,772,136 km (0.088 R)
• M4: 4,917,731 km (0.096 R)
• M5: 5,407,065 km (0.05 R)
• M6: 6,821,663 km (0.056 R)
• M7: 7,599,123 km (0.094 R)
• M8: 9,063,686 km (0.057 R)
• M9: 10,624,740 km (0.069 R)
• M10: 11,447,379 km (0.116 R)
• M11: 12,312,204 km (0.096 R)
• M12: 13,318,250 km (0.038 R)
• M13: 18,139,789 km (0.08 R)
• M14: 19,825,757 km (0.067 R)
• M15: 21,140,573 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.8

Radius: 13.9

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.58 AU - 6.02 AU

Year: 8422 Days

Day: 11.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,714,080 km

• M1: 175,478 km (0.085 R)
• M2: 704,157 km (0.102 R)
• M3: 1,145,172 km (0.076 R)
• M4: 1,614,759 km (0.098 R)
• M5: 2,820,817 km (0.109 R)
• M6: 3,329,301 km (0.108 R)
• M7: 4,287,924 km (0.098 R)
• M8: 5,744,409 km (0.086 R)
• M9: 6,181,384 km (0.09 R)
• M10: 6,677,002 km (0.068 R)
• M11: 7,788,664 km (0.088 R)
• M12: 8,367,906 km (0.042 R)
• M13: 10,526,005 km (0.081 R)
• M14: 11,495,998 km (0.12 R)
• M15: 12,636,532 km (0.063 R)
• M16: 16,178,860 km (0.062 R)
• M17: 17,540,350 km (0.052 R)
• M18: 20,724,541 km (0.113 R)
• M19: 23,246,612 km (0.049 R)
• M20: 25,067,517 km (0.094 R)
• M21: 31,202,226 km (0.057 R)
• M22: 32,985,882 km (0.048 R)
• M23: 34,615,451 km (0.092 R)
• M24: 37,217,257 km (0.082 R)
• M25: 38,982,961 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.6

Radius: 5.9

Gravity: 21.51 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.46 AU - 6.56 AU

Year: 10170 Days

Day: 17.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 56,714,080 km

• M1: 73,453 km (0.076 R)
• M2: 335,997 km (0.093 R)
• M3: 582,833 km (0.065 R)
• M4: 797,656 km (0.093 R)
• M5: 1,191,397 km (0.096 R)
• M6: 1,616,854 km (0.115 R)
• M7: 2,067,742 km (0.081 R)
• M8: 2,918,505 km (0.075 R)
• M9: 3,585,562 km (0.104 R)
• M10: 4,291,514 km (0.117 R)
• M11: 6,305,550 km (0.067 R)
• M12: 6,923,240 km (0.093 R)
• M13: 7,329,248 km (0.096 R)
• M14: 8,144,258 km (0.106 R)
• M15: 8,876,090 km (0.087 R)
• M16: 10,054,922 km (0.07 R)
• M17: 10,575,522 km (0.112 R)
• M18: 10,950,564 km (0.102 R)
• M19: 11,279,081 km (0.092 R)
• M20: 12,304,126 km (0.065 R)
• M21: 16,380,817 km (0.038 R)
• M22: 18,838,112 km (0.037 R)
• M23: 19,389,230 km (0.118 R)
• M24: 19,870,038 km (0.076 R)
• M25: 22,046,089 km (0.085 R)
• M26: 25,985,150 km (0.082 R)
• M27: 27,663,788 km (0.091 R)
• M28: 28,069,048 km (0.116 R)
• M29: 29,203,898 km (0.098 R)
• M30: 31,785,508 km (0.119 R)
• M31: 34,165,760 km (0.106 R)
• M32: 35,577,964 km (0.049 R)
• M33: 36,662,249 km (0.119 R)
• M34: 38,267,135 km (0.09 R)
• M35: 38,644,122 km (0.075 R)
• M36: 42,282,193 km (0.091 R)
• M37: 44,876,818 km (0.09 R)
• M38: 47,286,690 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.6

Radius: 3.6

Gravity: 68.18 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.51 AU - 8.73 AU

Year: 14519 Days

Day: 24 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,714,080 km

• M1: 44,730 km (0.112 R)
• M2: 252,820 km (0.057 R)
• M3: 409,300 km (0.115 R)
• M4: 655,089 km (0.09 R)
• M5: 901,477 km (0.104 R)
• M6: 2,235,591 km (0.12 R)
• M7: 3,403,950 km (0.083 R)
• M8: 3,655,873 km (0.03 R)
• M9: 4,010,719 km (0.094 R)
• M10: 4,165,254 km (0.064 R)
• M11: 4,652,793 km (0.092 R)
• M12: 5,624,431 km (0.11 R)
• M13: 5,818,160 km (0.12 R)
• M14: 7,301,124 km (0.119 R)
• M15: 7,814,694 km (0.099 R)
• M16: 9,609,270 km (0.06 R)
• M17: 10,340,504 km (0.102 R)
• M18: 10,987,365 km (0.12 R)
• M19: 13,498,814 km (0.103 R)
• M20: 17,819,051 km (0.093 R)
• M21: 19,179,195 km (0.092 R)
• M22: 19,618,115 km (0.059 R)
• M23: 20,515,852 km (0.106 R)
• M24: 25,208,288 km (0.118 R)
• M25: 28,025,815 km (0.092 R)
• M26: 34,922,426 km (0.114 R)
• M27: 43,167,064 km (0.078 R)
• M28: 43,617,802 km (0.117 R)
• M29: 44,988,867 km (0.05 R)
• M30: 46,545,732 km (0.064 R)
• M31: 52,447,368 km (0.116 R)
• M32: 55,576,806 km (0.068 R)
• M33: 58,095,136 km (0.085 R)
• M34: 62,779,494 km (0.083 R)
• M35: 64,525,601 km (0.056 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.1

Radius: 4.2

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 8.07 AU - 12.75 AU

Year: 23184 Days

Day: 20.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,714,080 km

• M1: 54,304 km (0.108 R)
• M2: 405,261 km (0.079 R)
• M3: 689,048 km (0.069 R)
• M4: 958,922 km (0.104 R)
• M5: 1,806,394 km (0.078 R)
• M6: 2,279,273 km (0.088 R)
• M7: 2,673,912 km (0.115 R)
• M8: 3,040,278 km (0.109 R)
• M9: 5,424,868 km (0.117 R)
• M10: 5,603,487 km (0.068 R)
• M11: 8,535,755 km (0.108 R)
• M12: 9,275,218 km (0.12 R)
• M13: 12,850,307 km (0.119 R)
• M14: 13,104,025 km (0.118 R)
• M15: 14,975,495 km (0.116 R)
• M16: 17,324,032 km (0.052 R)
• M17: 22,642,685 km (0.099 R)
• M18: 23,293,286 km (0.118 R)
• M19: 24,340,920 km (0.098 R)
• M20: 29,281,240 km (0.119 R)
• M21: 31,637,855 km (0.104 R)
• M22: 31,984,623 km (0.095 R)
• M23: 36,597,623 km (0.091 R)
• M24: 41,634,733 km (0.093 R)
• M25: 42,330,064 km (0.113 R)
• M26: 44,897,463 km (0.094 R)
• M27: 53,056,082 km (0.11 R)
• M28: 53,709,076 km (0.095 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 16,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit