🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.6

Radius: 8.8

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.47 AU - 0.69 AU

Year: 295 Days

Day: 10 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,852,910 km

• M1: 109,506 km (0.088 R)
• M2: 389,403 km (0.114 R)
• M3: 854,204 km (0.037 R)
• M4: 1,834,668 km (0.111 R)
• M5: 2,138,801 km (0.101 R)
• M6: 3,016,342 km (0.088 R)
• M7: 3,356,976 km (0.04 R)
• M8: 3,804,274 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.9

Radius: 10.7

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.54 AU - 0.82 AU

Year: 374 Days

Day: 7.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,852,910 km

• M1: 133,142 km (0.083 R)
• M2: 763,847 km (0.12 R)
• M3: 1,129,314 km (0.077 R)
• M4: 1,566,738 km (0.093 R)
• M5: 1,906,924 km (0.053 R)
• M6: 2,368,733 km (0.091 R)
• M7: 3,519,440 km (0.087 R)
• M8: 4,112,146 km (0.087 R)
• M9: 4,481,952 km (0.065 R)
• M10: 4,844,129 km (0.057 R)
• M11: 5,496,974 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.6

Radius: 13.6

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.29 AU - 2.83 AU

Year: 2731 Days

Day: 13.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,852,910 km

• M1: 179,667 km (0.092 R)
• M2: 634,893 km (0.064 R)
• M3: 1,101,639 km (0.093 R)
• M4: 1,617,901 km (0.088 R)
• M5: 2,058,317 km (0.055 R)
• M6: 3,081,716 km (0.097 R)
• M7: 4,680,917 km (0.068 R)
• M8: 5,210,793 km (0.101 R)
• M9: 6,570,638 km (0.091 R)
• M10: 7,658,065 km (0.062 R)
• M11: 9,053,214 km (0.075 R)
• M12: 10,119,698 km (0.088 R)
• M13: 11,990,120 km (0.09 R)
• M14: 13,695,685 km (0.063 R)
• M15: 15,604,255 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.4

Radius: 14.2

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.51 AU - 2.83 AU

Year: 2909 Days

Day: 12.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,852,910 km

• M1: 176,675 km (0.085 R)
• M2: 692,937 km (0.043 R)
• M3: 1,546,244 km (0.118 R)
• M4: 2,353,922 km (0.082 R)
• M5: 3,016,791 km (0.108 R)
• M6: 3,802,030 km (0.103 R)
• M7: 4,306,773 km (0.118 R)
• M8: 4,879,284 km (0.032 R)
• M9: 5,602,739 km (0.106 R)
• M10: 6,649,476 km (0.064 R)
• M11: 8,047,468 km (0.078 R)
• M12: 8,577,194 km (0.112 R)
• M13: 9,059,647 km (0.108 R)
• M14: 10,384,635 km (0.093 R)
• M15: 12,874,692 km (0.119 R)
• M16: 14,547,047 km (0.03 R)
• M17: 15,638,064 km (0.086 R)
• M18: 16,412,831 km (0.113 R)
• M19: 16,943,305 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.5

Radius: 13.3

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.36 AU - 3.36 AU

Year: 3225 Days

Day: 12.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,852,910 km

• M1: 165,455 km (0.095 R)
• M2: 607,218 km (0.092 R)
• M3: 1,051,224 km (0.066 R)
• M4: 1,467,705 km (0.108 R)
• M5: 1,929,214 km (0.087 R)
• M6: 2,529,550 km (0.097 R)
• M7: 3,470,970 km (0.102 R)
• M8: 4,167,946 km (0.066 R)
• M9: 5,892,211 km (0.114 R)
• M10: 6,455,148 km (0.074 R)
• M11: 7,424,692 km (0.062 R)
• M12: 7,960,103 km (0.1 R)
• M13: 9,075,056 km (0.073 R)
• M14: 10,473,945 km (0.078 R)
• M15: 10,920,495 km (0.091 R)
• M16: 13,004,543 km (0.104 R)
• M17: 13,872,659 km (0.076 R)
• M18: 15,341,860 km (0.066 R)
• M19: 16,016,247 km (0.118 R)
• M20: 16,811,061 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.1

Radius: 14

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3 AU - 3.2 AU

Year: 3640 Days

Day: 7.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,852,910 km

• M1: 174,730 km (0.099 R)
• M2: 924,365 km (0.076 R)
• M3: 1,367,175 km (0.088 R)
• M4: 2,361,552 km (0.055 R)
• M5: 2,839,517 km (0.043 R)
• M6: 3,510,164 km (0.087 R)
• M7: 4,221,502 km (0.12 R)
• M8: 5,074,958 km (0.077 R)
• M9: 5,960,278 km (0.099 R)
• M10: 6,398,151 km (0.117 R)
• M11: 6,946,128 km (0.086 R)
• M12: 8,781,245 km (0.06 R)
• M13: 9,643,677 km (0.101 R)
• M14: 11,371,084 km (0.074 R)
• M15: 14,048,138 km (0.101 R)
• M16: 15,636,119 km (0.087 R)
• M17: 16,156,121 km (0.043 R)
• M18: 17,285,735 km (0.118 R)
• M19: 19,107,538 km (0.108 R)
• M20: 20,064,964 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.9

Radius: 10.6

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.46 AU - 5.48 AU

Year: 6302 Days

Day: 6.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 25,852,910 km

• M1: 152,739 km (0.077 R)
• M2: 528,978 km (0.115 R)
• M3: 1,112,859 km (0.106 R)
• M4: 1,459,776 km (0.061 R)
• M5: 1,894,807 km (0.109 R)
• M6: 2,380,551 km (0.07 R)
• M7: 2,989,115 km (0.065 R)
• M8: 3,488,473 km (0.075 R)
• M9: 4,145,207 km (0.042 R)
• M10: 4,517,108 km (0.105 R)
• M11: 5,176,685 km (0.082 R)
• M12: 5,514,327 km (0.101 R)
• M13: 6,510,799 km (0.116 R)
• M14: 7,701,598 km (0.11 R)
• M15: 8,061,380 km (0.096 R)
• M16: 8,944,756 km (0.032 R)
• M17: 9,477,923 km (0.084 R)
• M18: 10,174,002 km (0.098 R)
• M19: 10,953,556 km (0.114 R)
• M20: 11,825,113 km (0.078 R)
• M21: 12,631,895 km (0.104 R)
• M22: 13,647,963 km (0.057 R)
• M23: 14,596,115 km (0.11 R)
• M24: 15,906,442 km (0.044 R)
• M25: 21,151,194 km (0.094 R)
• M26: 21,542,393 km (0.064 R)
• M27: 25,635,690 km (0.067 R)
• M28: 30,517,218 km (0.119 R)
• M29: 35,432,854 km (0.086 R)
• M30: 36,207,472 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275

Radius: 3.6

Gravity: 21.22 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.99 AU - 6.93 AU

Year: 10949 Days

Day: 19.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 25,852,910 km

• M1: 71,209 km (0.042 R)
• M2: 239,057 km (0.067 R)
• M3: 556,953 km (0.109 R)
• M4: 674,238 km (0.111 R)
• M5: 1,098,796 km (0.088 R)
• M6: 1,356,703 km (0.115 R)
• M7: 1,532,481 km (0.082 R)
• M8: 1,737,579 km (0.038 R)
• M9: 2,087,339 km (0.092 R)
• M10: 2,844,304 km (0.057 R)
• M11: 3,090,692 km (0.082 R)
• M12: 4,220,006 km (0.106 R)
• M13: 4,405,059 km (0.039 R)
• M14: 5,109,964 km (0.056 R)
• M15: 6,321,108 km (0.105 R)
• M16: 6,920,098 km (0.081 R)
• M17: 8,068,112 km (0.03 R)
• M18: 9,880,042 km (0.105 R)
• M19: 10,065,693 km (0.106 R)
• M20: 10,443,727 km (0.094 R)
• M21: 11,789,958 km (0.05 R)
• M22: 11,946,288 km (0.111 R)
• M23: 14,881,398 km (0.093 R)
• M24: 15,064,057 km (0.03 R)
• M25: 15,248,212 km (0.119 R)
• M26: 17,441,616 km (0.105 R)
• M27: 17,986,750 km (0.104 R)
• M28: 18,193,943 km (0.099 R)
• M29: 20,131,834 km (0.12 R)
• M30: 21,420,022 km (0.108 R)
• M31: 22,044,892 km (0.087 R)
• M32: 24,921,808 km (0.045 R)
• M33: 27,578,667 km (0.105 R)
• M34: 28,975,312 km (0.075 R)
• M35: 30,028,930 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.2

Radius: 5.8

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.88 AU - 7.16 AU

Year: 11102 Days

Day: 15.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 25,852,910 km

• M1: 73,303 km (0.098 R)
• M2: 541,095 km (0.075 R)
• M3: 747,541 km (0.105 R)
• M4: 1,158,636 km (0.1 R)
• M5: 1,388,567 km (0.058 R)
• M6: 2,121,896 km (0.05 R)
• M7: 2,421,391 km (0.065 R)
• M8: 2,995,099 km (0.118 R)
• M9: 3,392,431 km (0.108 R)
• M10: 3,634,779 km (0.101 R)
• M11: 4,431,987 km (0.101 R)
• M12: 5,393,901 km (0.094 R)
• M13: 6,957,947 km (0.057 R)
• M14: 7,585,510 km (0.058 R)
• M15: 7,826,063 km (0.059 R)
• M16: 8,322,279 km (0.092 R)
• M17: 9,144,319 km (0.093 R)
• M18: 9,338,348 km (0.088 R)
• M19: 9,575,012 km (0.065 R)
• M20: 10,142,586 km (0.115 R)
• M21: 10,992,003 km (0.087 R)
• M22: 12,448,188 km (0.089 R)
• M23: 14,706,967 km (0.081 R)
• M24: 15,571,792 km (0.068 R)
• M25: 20,147,243 km (0.107 R)
• M26: 21,690,943 km (0.099 R)
• M27: 25,011,418 km (0.056 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: 323 - 10,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit