🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.53 AU - 0.65 AU

Year: 297 Days

Day: 24.9 Hours

Environment

Temp: -121 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.4

Radius: 10.4

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.33 AU - 3.39 AU

Year: 3173 Days

Day: 7.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,595,294 km

• M1: 129,402 km (0.097 R)
• M2: 472,879 km (0.108 R)
• M3: 1,009,636 km (0.046 R)
• M4: 1,341,145 km (0.075 R)
• M5: 1,854,714 km (0.077 R)
• M6: 2,333,727 km (0.084 R)
• M7: 2,681,991 km (0.075 R)
• M8: 3,013,200 km (0.111 R)
• M9: 4,350,904 km (0.114 R)
• M10: 5,127,467 km (0.062 R)
• M11: 5,966,113 km (0.103 R)
• M12: 6,772,744 km (0.086 R)
• M13: 7,881,414 km (0.065 R)
• M14: 10,096,659 km (0.065 R)
• M15: 10,658,399 km (0.037 R)
• M16: 15,037,129 km (0.116 R)
• M17: 15,505,670 km (0.109 R)
• M18: 20,297,589 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.3

Radius: 10.1

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.95 AU - 4.07 AU

Year: 4314 Days

Day: 12.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,595,294 km

• M1: 150,047 km (0.087 R)
• M2: 561,441 km (0.052 R)
• M3: 1,194,240 km (0.094 R)
• M4: 2,827,849 km (0.094 R)
• M5: 4,153,136 km (0.077 R)
• M6: 5,115,200 km (0.104 R)
• M7: 5,502,060 km (0.102 R)
• M8: 6,276,977 km (0.056 R)
• M9: 8,077,387 km (0.052 R)
• M10: 9,492,583 km (0.037 R)
• M11: 11,452,914 km (0.116 R)
• M12: 16,433,176 km (0.042 R)
• M13: 21,345,372 km (0.101 R)
• M14: 21,677,180 km (0.097 R)
• M15: 22,147,666 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.7

Radius: 12.9

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.85 AU - 4.11 AU

Year: 5209 Days

Day: 14.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,595,294 km

• M1: 160,369 km (0.111 R)
• M2: 812,017 km (0.043 R)
• M3: 1,231,490 km (0.105 R)
• M4: 1,679,984 km (0.116 R)
• M5: 2,225,867 km (0.111 R)
• M6: 3,233,857 km (0.071 R)
• M7: 3,948,935 km (0.047 R)
• M8: 5,874,409 km (0.091 R)
• M9: 6,324,549 km (0.1 R)
• M10: 7,175,761 km (0.083 R)
• M11: 10,882,647 km (0.104 R)
• M12: 12,488,580 km (0.043 R)
• M13: 13,827,481 km (0.114 R)
• M14: 14,389,071 km (0.09 R)
• M15: 15,161,445 km (0.082 R)
• M16: 16,894,686 km (0.077 R)
• M17: 17,428,750 km (0.08 R)
• M18: 18,362,391 km (0.101 R)
• M19: 18,984,119 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.3

Radius: 14.3

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.62 AU - 5.08 AU

Year: 7007 Days

Day: 8.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,595,294 km

• M1: 178,021 km (0.026 R)
• M2: 637,287 km (0.053 R)
• M3: 1,190,201 km (0.097 R)
• M4: 1,918,443 km (0.101 R)
• M5: 2,738,090 km (0.089 R)
• M6: 3,925,897 km (0.053 R)
• M7: 4,988,640 km (0.116 R)
• M8: 5,713,741 km (0.077 R)
• M9: 9,652,952 km (0.106 R)
• M10: 10,491,299 km (0.076 R)
• M11: 11,327,102 km (0.084 R)
• M12: 13,526,041 km (0.09 R)
• M13: 23,260,075 km (0.088 R)
• M14: 24,852,395 km (0.081 R)
• M15: 26,875,856 km (0.116 R)
• M16: 29,581,034 km (0.1 R)
• M17: 30,850,671 km (0.109 R)
• M18: 32,978,103 km (0.102 R)
• M19: 37,185,842 km (0.103 R)
• M20: 38,319,794 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.4

Radius: 5.1

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.48 AU - 8.12 AU

Year: 12939 Days

Day: 16.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,595,294 km

• M1: 63,429 km (0.066 R)
• M2: 1,751,941 km (0.098 R)
• M3: 2,394,613 km (0.043 R)
• M4: 2,676,904 km (0.074 R)
• M5: 3,224,133 km (0.05 R)
• M6: 4,511,273 km (0.078 R)
• M7: 6,171,810 km (0.052 R)
• M8: 7,481,689 km (0.115 R)
• M9: 7,817,087 km (0.083 R)
• M10: 12,044,424 km (0.084 R)
• M11: 13,030,872 km (0.076 R)
• M12: 14,352,420 km (0.049 R)
• M13: 14,870,178 km (0.065 R)
• M14: 15,700,297 km (0.077 R)
• M15: 24,282,876 km (0.047 R)
• M16: 25,935,484 km (0.038 R)
• M17: 32,016,787 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.1

Radius: 6.7

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.95 AU - 12.65 AU

Year: 21685 Days

Day: 15.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,595,294 km

• M1: 133,142 km (0.045 R)
• M2: 396,135 km (0.085 R)
• M3: 1,287,290 km (0.095 R)
• M4: 2,082,402 km (0.068 R)
• M5: 5,406,617 km (0.101 R)
• M6: 10,858,861 km (0.055 R)
• M7: 12,302,929 km (0.083 R)
• M8: 12,519,247 km (0.046 R)
• M9: 17,669,603 km (0.071 R)
• M10: 19,075,972 km (0.06 R)
• M11: 19,511,901 km (0.098 R)
• M12: 22,509,842 km (0.038 R)
• M13: 23,907,685 km (0.118 R)
• M14: 24,756,503 km (0.11 R)
• M15: 25,015,008 km (0.11 R)
• M16: 35,240,920 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 562.8

Radius: 4.9

Gravity: 23.44 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 9.6 AU - 12.2 AU

Year: 23607 Days

Day: 21.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 79,595,294 km

• M1: 61,036 km (0.088 R)
• M2: 220,058 km (0.114 R)
• M3: 479,910 km (0.047 R)
• M4: 669,002 km (0.071 R)
• M5: 1,379,741 km (0.073 R)
• M6: 2,251,598 km (0.117 R)
• M7: 2,716,249 km (0.114 R)
• M8: 4,024,632 km (0.101 R)
• M9: 4,188,441 km (0.098 R)
• M10: 4,494,369 km (0.11 R)
• M11: 5,462,716 km (0.095 R)
• M12: 5,828,183 km (0.104 R)
• M13: 8,109,401 km (0.091 R)
• M14: 17,412,743 km (0.053 R)
• M15: 19,571,889 km (0.081 R)
• M16: 22,206,906 km (0.111 R)
• M17: 23,555,980 km (0.067 R)
• M18: 23,981,885 km (0.092 R)
• M19: 29,254,911 km (0.113 R)
• M20: 33,480,452 km (0.043 R)
• M21: 34,837,006 km (0.059 R)
• M22: 35,808,046 km (0.114 R)
• M23: 36,512,651 km (0.09 R)
• M24: 37,514,508 km (0.104 R)
• M25: 37,804,130 km (0.082 R)
• M26: 42,485,496 km (0.05 R)
• M27: 43,275,074 km (0.107 R)
• M28: 47,033,122 km (0.109 R)
• M29: 49,423,995 km (0.091 R)
• M30: 50,472,975 km (0.067 R)
• M31: 54,631,796 km (0.1 R)
• M32: 55,377,541 km (0.092 R)
• M33: 55,941,376 km (0.11 R)
• M34: 60,193,546 km (0.061 R)
• M35: 64,241,514 km (0.082 R)
• M36: 68,899,693 km (0.041 R)
• M37: 77,233,042 km (0.112 R)
• M38: 78,881,611 km (0.098 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 17,902 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit