🌌 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: 754.6

Radius: 8

Gravity: 11.79 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.52 AU - 0.82 AU

Year: 385 Days

Day: 9.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,590,570 km

• M1: 99,483 km (0.05 R)
• M2: 460,013 km (0.08 R)
• M3: 736,620 km (0.117 R)
• M4: 1,280,408 km (0.094 R)
• M5: 1,806,245 km (0.091 R)
• M6: 2,867,043 km (0.114 R)
• M7: 3,204,386 km (0.097 R)
• M8: 4,872,702 km (0.066 R)
• M9: 5,133,301 km (0.096 R)
• M10: 5,517,169 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.7

Radius: 12.6

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1 AU - 1.02 AU

Year: 713 Days

Day: 11 Hours

Environment

Temp: -180 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,590,570 km

• M1: 156,629 km (0.065 R)
• M2: 615,296 km (0.05 R)
• M3: 1,066,334 km (0.038 R)
• M4: 1,519,914 km (0.097 R)
• M5: 2,227,512 km (0.061 R)
• M6: 3,083,661 km (0.067 R)
• M7: 3,698,658 km (0.118 R)
• M8: 4,269,972 km (0.103 R)
• M9: 4,967,696 km (0.119 R)
• M10: 5,498,619 km (0.048 R)
• M11: 6,027,897 km (0.108 R)
• M12: 7,592,840 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.8

Radius: 12.1

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1 AU - 1.12 AU

Year: 767 Days

Day: 14.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,590,570 km

• M1: 151,243 km (0.098 R)
• M2: 581,936 km (0.101 R)
• M3: 1,011,581 km (0.085 R)
• M4: 1,559,707 km (0.09 R)
• M5: 2,490,655 km (0.075 R)
• M6: 2,900,703 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.1

Radius: 9.8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.1 AU - 1.2 AU

Year: 867 Days

Day: 6.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,590,570 km

• M1: 121,922 km (0.026 R)
• M2: 435,629 km (0.11 R)
• M3: 792,270 km (0.047 R)
• M4: 1,097,899 km (0.104 R)
• M5: 1,463,666 km (0.117 R)
• M6: 2,012,839 km (0.114 R)
• M7: 2,389,527 km (0.115 R)
• M8: 3,286,216 km (0.076 R)
• M9: 3,705,090 km (0.102 R)
• M10: 5,572,371 km (0.054 R)
• M11: 6,378,554 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.4

Radius: 11.2

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.49 AU - 1.77 AU

Year: 1463 Days

Day: 5.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,590,570 km

• M1: 139,724 km (0.087 R)
• M2: 585,376 km (0.08 R)
• M3: 1,128,866 km (0.103 R)
• M4: 1,533,229 km (0.119 R)
• M5: 2,492,749 km (0.103 R)
• M6: 3,018,885 km (0.115 R)
• M7: 3,768,670 km (0.089 R)
• M8: 5,399,137 km (0.062 R)
• M9: 5,758,471 km (0.067 R)
• M10: 6,198,139 km (0.107 R)
• M11: 6,548,048 km (0.082 R)
• M12: 7,121,307 km (0.105 R)
• M13: 8,634,340 km (0.09 R)
• M14: 9,016,264 km (0.038 R)
• M15: 9,466,553 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488

Radius: 10.2

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.48 AU - 2.24 AU

Year: 1783 Days

Day: 12.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,590,570 km

• M1: 128,205 km (0.096 R)
• M2: 482,453 km (0.047 R)
• M3: 864,077 km (0.105 R)
• M4: 1,225,207 km (0.065 R)
• M5: 1,631,365 km (0.108 R)
• M6: 2,015,981 km (0.073 R)
• M7: 2,575,926 km (0.081 R)
• M8: 2,900,254 km (0.115 R)
• M9: 3,391,234 km (0.082 R)
• M10: 3,850,649 km (0.075 R)
• M11: 4,794,612 km (0.031 R)
• M12: 5,141,529 km (0.116 R)
• M13: 6,118,254 km (0.105 R)
• M14: 6,601,156 km (0.108 R)
• M15: 7,480,642 km (0.093 R)
• M16: 9,534,620 km (0.09 R)
• M17: 13,562,094 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366

Radius: 12.9

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.73 AU - 3.89 AU

Year: 5228 Days

Day: 6.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,590,570 km

• M1: 160,369 km (0.076 R)
• M2: 591,211 km (0.058 R)
• M3: 997,818 km (0.09 R)
• M4: 1,992,195 km (0.113 R)
• M5: 2,554,084 km (0.115 R)
• M6: 3,057,182 km (0.09 R)
• M7: 3,646,299 km (0.086 R)
• M8: 4,131,594 km (0.069 R)
• M9: 5,003,301 km (0.11 R)
• M10: 8,081,127 km (0.114 R)
• M11: 8,616,239 km (0.102 R)
• M12: 10,740,978 km (0.093 R)
• M13: 13,341,288 km (0.055 R)
• M14: 13,837,504 km (0.051 R)
• M15: 14,345,837 km (0.108 R)
• M16: 14,972,353 km (0.035 R)
• M17: 16,001,587 km (0.047 R)
• M18: 16,846,964 km (0.062 R)
• M19: 17,900,582 km (0.045 R)
• M20: 18,688,514 km (0.081 R)
• M21: 19,626,193 km (0.088 R)
• M22: 20,398,717 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.7

Radius: 9.1

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.56 AU - 4.98 AU

Year: 7323 Days

Day: 6.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,590,570 km

• M1: 113,246 km (0.037 R)
• M2: 477,367 km (0.055 R)
• M3: 2,097,661 km (0.103 R)
• M4: 3,286,665 km (0.083 R)
• M5: 3,704,193 km (0.057 R)
• M6: 4,156,726 km (0.096 R)
• M7: 5,514,178 km (0.095 R)
• M8: 6,810,892 km (0.12 R)
• M9: 7,768,169 km (0.109 R)
• M10: 9,032,271 km (0.113 R)
• M11: 9,713,390 km (0.053 R)
• M12: 11,126,940 km (0.107 R)
• M13: 11,856,379 km (0.095 R)
• M14: 12,178,613 km (0.048 R)
• M15: 13,410,402 km (0.075 R)
• M16: 14,478,381 km (0.088 R)
• M17: 15,666,188 km (0.116 R)
• M18: 17,053,260 km (0.077 R)
• M19: 25,948,947 km (0.088 R)
• M20: 26,310,675 km (0.047 R)
• M21: 27,323,004 km (0.081 R)
• M22: 28,170,177 km (0.12 R)
• M23: 29,719,711 km (0.077 R)
• M24: 36,374,573 km (0.097 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 14,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit