🌌 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: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.1

Radius: 9.2

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.63 AU - 0.71 AU

Year: 372 Days

Day: 12.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,847,260 km

• M1: 114,442 km (0.082 R)
• M2: 409,300 km (0.096 R)
• M3: 755,768 km (0.11 R)
• M4: 1,045,540 km (0.118 R)
• M5: 1,374,655 km (0.05 R)
• M6: 1,780,663 km (0.077 R)
• M7: 2,144,934 km (0.095 R)
• M8: 2,559,021 km (0.116 R)
• M9: 2,993,603 km (0.09 R)
• M10: 3,548,312 km (0.099 R)
• M11: 3,869,648 km (0.057 R)
• M12: 4,210,432 km (0.025 R)
• M13: 4,514,415 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.2

Radius: 14.2

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.59 AU - 0.79 AU

Year: 389 Days

Day: 14.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,847,260 km

• M1: 176,675 km (0.095 R)
• M2: 622,626 km (0.119 R)
• M3: 1,187,957 km (0.118 R)
• M4: 1,898,397 km (0.088 R)
• M5: 2,785,662 km (0.031 R)
• M6: 3,517,046 km (0.12 R)
• M7: 4,452,182 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.4

Radius: 14

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.05 AU - 1.33 AU

Year: 880 Days

Day: 9.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,847,260 km

• M1: 174,132 km (0.069 R)
• M2: 632,201 km (0.106 R)
• M3: 1,264,252 km (0.09 R)
• M4: 2,411,218 km (0.079 R)
• M5: 3,122,706 km (0.082 R)
• M6: 3,911,984 km (0.109 R)
• M7: 5,378,492 km (0.076 R)
• M8: 6,329,037 km (0.091 R)
• M9: 7,208,224 km (0.108 R)
• M10: 7,783,128 km (0.12 R)
• M11: 8,339,184 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.8

Radius: 8

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.39 AU - 1.95 AU

Year: 1464 Days

Day: 8.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,847,260 km

• M1: 102,475 km (0.075 R)
• M2: 353,799 km (0.065 R)
• M3: 621,878 km (0.093 R)
• M4: 1,026,690 km (0.066 R)
• M5: 1,435,691 km (0.059 R)
• M6: 2,055,026 km (0.108 R)
• M7: 3,156,515 km (0.118 R)
• M8: 3,873,388 km (0.091 R)
• M9: 4,359,581 km (0.099 R)
• M10: 4,763,495 km (0.071 R)
• M11: 6,167,771 km (0.086 R)
• M12: 6,875,518 km (0.111 R)
• M13: 7,214,657 km (0.11 R)
• M14: 7,493,956 km (0.078 R)
• M15: 7,756,350 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.8

Radius: 8.4

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.94 AU - 2.5 AU

Year: 2243 Days

Day: 8.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,847,260 km

• M1: 104,419 km (0.082 R)
• M2: 439,668 km (0.055 R)
• M3: 755,170 km (0.083 R)
• M4: 1,109,867 km (0.059 R)
• M5: 1,779,018 km (0.086 R)
• M6: 2,076,418 km (0.111 R)
• M7: 2,948,125 km (0.118 R)
• M8: 3,233,259 km (0.083 R)
• M9: 4,308,269 km (0.08 R)
• M10: 4,582,781 km (0.071 R)
• M11: 5,540,806 km (0.064 R)
• M12: 6,389,475 km (0.065 R)
• M13: 6,674,758 km (0.075 R)
• M14: 8,569,415 km (0.077 R)
• M15: 9,034,814 km (0.104 R)
• M16: 9,486,300 km (0.115 R)
• M17: 10,797,226 km (0.117 R)
• M18: 11,237,044 km (0.076 R)
• M19: 11,972,766 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.5

Radius: 12

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.78 AU - 3.12 AU

Year: 3437 Days

Day: 6 Hours

Environment

Temp: -205 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 23,847,260 km

• M1: 149,598 km (0.102 R)
• M2: 562,787 km (0.117 R)
• M3: 1,523,505 km (0.103 R)
• M4: 1,988,754 km (0.034 R)
• M5: 2,596,121 km (0.107 R)
• M6: 3,230,865 km (0.038 R)
• M7: 3,757,450 km (0.056 R)
• M8: 4,762,897 km (0.046 R)
• M9: 6,225,815 km (0.051 R)
• M10: 6,733,699 km (0.096 R)
• M11: 8,750,877 km (0.066 R)
• M12: 9,543,746 km (0.107 R)
• M13: 10,384,037 km (0.113 R)
• M14: 11,142,797 km (0.105 R)
• M15: 11,758,393 km (0.093 R)
• M16: 13,593,211 km (0.088 R)
• M17: 14,143,581 km (0.113 R)
• M18: 16,664,455 km (0.026 R)
• M19: 17,469,890 km (0.082 R)
• M20: 18,061,101 km (0.069 R)
• M21: 18,665,476 km (0.108 R)
• M22: 20,953,725 km (0.109 R)
• M23: 21,621,081 km (0.105 R)
• M24: 22,858,255 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.5

Radius: 8

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.08 AU - 3.94 AU

Year: 4460 Days

Day: 10.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,847,260 km

• M1: 99,483 km (0.043 R)
• M2: 413,189 km (0.115 R)
• M3: 780,901 km (0.099 R)
• M4: 1,249,142 km (0.061 R)
• M5: 2,991,359 km (0.118 R)
• M6: 3,935,322 km (0.117 R)
• M7: 4,512,171 km (0.07 R)
• M8: 4,987,144 km (0.111 R)
• M9: 5,634,454 km (0.091 R)
• M10: 7,030,053 km (0.114 R)
• M11: 7,808,261 km (0.065 R)
• M12: 9,615,403 km (0.053 R)
• M13: 10,275,279 km (0.036 R)
• M14: 10,746,213 km (0.096 R)
• M15: 11,456,803 km (0.065 R)
• M16: 11,916,518 km (0.107 R)
• M17: 12,629,202 km (0.113 R)
• M18: 17,213,928 km (0.071 R)
• M19: 21,667,157 km (0.117 R)
• M20: 23,161,341 km (0.119 R)
• M21: 24,647,296 km (0.111 R)
• M22: 25,491,028 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.1

Radius: 8

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.08 AU - 5.7 AU

Year: 8487 Days

Day: 13.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,847,260 km

• M1: 101,577 km (0.089 R)
• M2: 727,943 km (0.074 R)
• M3: 3,014,846 km (0.075 R)
• M4: 3,595,136 km (0.084 R)
• M5: 5,127,168 km (0.096 R)
• M6: 5,463,314 km (0.108 R)
• M7: 8,635,088 km (0.091 R)
• M8: 9,644,874 km (0.105 R)
• M9: 14,326,240 km (0.112 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 13,745 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit