🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.5

Radius: 8.9

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.53 AU - 0.61 AU

Year: 292 Days

Day: 8.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,564,173 km

• M1: 110,702 km (0.082 R)
• M2: 394,639 km (0.091 R)
• M3: 682,465 km (0.086 R)
• M4: 973,882 km (0.097 R)
• M5: 1,395,000 km (0.102 R)
• M6: 1,717,384 km (0.099 R)
• M7: 2,076,568 km (0.106 R)
• M8: 2,455,649 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.7

Radius: 14.9

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.09 AU - 1.43 AU

Year: 959 Days

Day: 14.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 72,564,173 km

• M1: 185,352 km (0.113 R)
• M2: 910,602 km (0.053 R)
• M3: 1,571,526 km (0.12 R)
• M4: 2,277,029 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.1

Radius: 11.5

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.02 AU - 1.5 AU

Year: 959 Days

Day: 9.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,564,173 km

• M1: 147,354 km (0.081 R)
• M2: 553,363 km (0.094 R)
• M3: 1,026,541 km (0.118 R)
• M4: 1,678,488 km (0.074 R)
• M5: 2,497,387 km (0.081 R)
• M6: 2,898,309 km (0.089 R)
• M7: 3,415,619 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.5

Radius: 8.4

Gravity: 13.37 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.4 AU - 2.06 AU

Year: 1543 Days

Day: 9.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,564,173 km

• M1: 105,317 km (0.044 R)
• M2: 613,351 km (0.096 R)
• M3: 960,718 km (0.105 R)
• M4: 1,274,424 km (0.106 R)
• M5: 1,587,832 km (0.103 R)
• M6: 2,067,143 km (0.064 R)
• M7: 2,399,101 km (0.085 R)
• M8: 2,766,513 km (0.091 R)
• M9: 3,093,385 km (0.062 R)
• M10: 3,649,440 km (0.108 R)
• M11: 4,212,975 km (0.097 R)
• M12: 4,938,824 km (0.033 R)
• M13: 5,354,257 km (0.08 R)
• M14: 5,675,145 km (0.103 R)
• M15: 6,280,119 km (0.08 R)
• M16: 6,741,927 km (0.114 R)
• M17: 7,392,528 km (0.112 R)
• M18: 8,415,479 km (0.088 R)
• M19: 9,463,860 km (0.059 R)
• M20: 9,831,871 km (0.073 R)
• M21: 10,105,635 km (0.091 R)
• M22: 11,103,902 km (0.056 R)
• M23: 11,626,896 km (0.1 R)
• M24: 12,601,825 km (0.075 R)
• M25: 14,847,289 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515

Radius: 13.6

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.77 AU - 2.05 AU

Year: 1790 Days

Day: 12.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,564,173 km

• M1: 169,345 km (0.085 R)
• M2: 660,624 km (0.113 R)
• M3: 1,432,100 km (0.104 R)
• M4: 2,059,065 km (0.114 R)
• M5: 2,648,929 km (0.091 R)
• M6: 4,136,830 km (0.047 R)
• M7: 5,467,503 km (0.105 R)
• M8: 7,876,477 km (0.085 R)
• M9: 10,172,206 km (0.029 R)
• M10: 11,028,205 km (0.089 R)
• M11: 11,747,173 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.6

Radius: 9

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.99 AU - 2.15 AU

Year: 2020 Days

Day: 6.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 147.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,564,173 km

• M1: 111,899 km (0.116 R)
• M2: 443,707 km (0.111 R)
• M3: 729,888 km (0.107 R)
• M4: 1,009,786 km (0.103 R)
• M5: 1,321,099 km (0.081 R)
• M6: 1,697,188 km (0.084 R)
• M7: 2,215,844 km (0.053 R)
• M8: 2,909,230 km (0.066 R)
• M9: 3,243,431 km (0.094 R)
• M10: 4,325,922 km (0.081 R)
• M11: 4,620,629 km (0.087 R)
• M12: 5,077,501 km (0.04 R)
• M13: 5,405,869 km (0.09 R)
• M14: 6,943,884 km (0.052 R)
• M15: 7,488,121 km (0.115 R)
• M16: 8,816,401 km (0.076 R)
• M17: 9,652,055 km (0.119 R)
• M18: 11,258,287 km (0.041 R)
• M19: 12,086,461 km (0.07 R)
• M20: 14,076,112 km (0.04 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.1

Radius: 14.9

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.53 AU - 2.91 AU

Year: 3043 Days

Day: 7.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,564,173 km

• M1: 185,352 km (0.071 R)
• M2: 663,915 km (0.084 R)
• M3: 1,238,521 km (0.077 R)
• M4: 1,778,120 km (0.101 R)
• M5: 2,995,997 km (0.051 R)
• M6: 3,645,102 km (0.112 R)
• M7: 4,302,136 km (0.094 R)
• M8: 5,881,889 km (0.108 R)
• M9: 6,505,263 km (0.109 R)
• M10: 8,920,222 km (0.116 R)
• M11: 12,616,785 km (0.096 R)
• M12: 14,414,204 km (0.081 R)
• M13: 15,349,340 km (0.06 R)
• M14: 16,064,119 km (0.113 R)
• M15: 16,747,482 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.3

Radius: 8.1

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.92 AU - 4.08 AU

Year: 5426 Days

Day: 7.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,564,173 km

• M1: 100,679 km (0.053 R)
• M2: 452,982 km (0.087 R)
• M3: 1,224,159 km (0.08 R)
• M4: 1,479,523 km (0.115 R)
• M5: 1,758,972 km (0.115 R)
• M6: 2,969,667 km (0.096 R)
• M7: 4,081,030 km (0.092 R)
• M8: 4,544,933 km (0.102 R)
• M9: 6,010,394 km (0.09 R)
• M10: 7,966,386 km (0.11 R)
• M11: 8,942,811 km (0.107 R)
• M12: 9,347,473 km (0.107 R)
• M13: 10,798,722 km (0.117 R)
• M14: 11,089,391 km (0.115 R)
• M15: 13,131,103 km (0.104 R)
• M16: 13,945,214 km (0.087 R)
• M17: 15,779,883 km (0.086 R)
• M18: 16,977,114 km (0.073 R)
• M19: 17,313,859 km (0.026 R)
• M20: 19,004,764 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.8

Radius: 5.8

Gravity: 19.85 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 8.01 AU - 10.35 AU

Year: 18865 Days

Day: 19.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,564,173 km

• M1: 72,256 km (0.069 R)
• M2: 279,748 km (0.111 R)
• M3: 715,078 km (0.082 R)
• M4: 1,346,231 km (0.059 R)
• M5: 1,530,985 km (0.117 R)
• M6: 2,009,847 km (0.118 R)
• M7: 4,539,847 km (0.096 R)
• M8: 5,068,376 km (0.101 R)
• M9: 5,916,596 km (0.051 R)
• M10: 7,841,172 km (0.051 R)
• M11: 8,653,040 km (0.107 R)
• M12: 11,423,742 km (0.104 R)
• M13: 13,356,397 km (0.039 R)
• M14: 17,601,087 km (0.064 R)
• M15: 19,980,292 km (0.098 R)
• M16: 21,390,551 km (0.118 R)
• M17: 21,875,098 km (0.056 R)
• M18: 26,127,567 km (0.081 R)
• M19: 29,447,593 km (0.094 R)
• M20: 33,816,000 km (0.068 R)
• M21: 35,407,871 km (0.077 R)
• M22: 38,740,164 km (0.068 R)
• M23: 39,459,879 km (0.093 R)
• M24: 45,381,561 km (0.076 R)
• M25: 45,700,205 km (0.048 R)
• M26: 66,849,454 km (0.105 R)
• M27: 67,468,939 km (0.098 R)
• M28: 67,676,431 km (0.094 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 19,453 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit