🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.8

Radius: 8.4

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.54 AU - 0.72 AU

Year: 345 Days

Day: 8.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,751,407 km

• M1: 104,719 km (0.115 R)
• M2: 390,899 km (0.035 R)
• M3: 656,585 km (0.04 R)
• M4: 1,045,240 km (0.084 R)
• M5: 1,484,460 km (0.106 R)
• M6: 1,931,009 km (0.119 R)
• M7: 2,588,043 km (0.109 R)
• M8: 3,967,485 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.6

Radius: 11.4

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.65 AU - 1.03 AU

Year: 531 Days

Day: 10.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,751,407 km

• M1: 141,819 km (0.073 R)
• M2: 513,420 km (0.049 R)
• M3: 1,128,267 km (0.116 R)
• M4: 1,559,408 km (0.093 R)
• M5: 2,250,550 km (0.081 R)
• M6: 3,114,628 km (0.098 R)
• M7: 3,830,005 km (0.085 R)
• M8: 4,240,501 km (0.075 R)
• M9: 4,780,400 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.9

Radius: 9.2

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.72 AU - 1.88 AU

Year: 1667 Days

Day: 13.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,751,407 km

• M1: 114,442 km (0.107 R)
• M2: 457,620 km (0.102 R)
• M3: 968,048 km (0.064 R)
• M4: 1,862,194 km (0.061 R)
• M5: 2,323,704 km (0.095 R)
• M6: 2,700,990 km (0.109 R)
• M7: 3,245,975 km (0.107 R)
• M8: 3,701,650 km (0.118 R)
• M9: 4,066,070 km (0.034 R)
• M10: 5,628,620 km (0.036 R)
• M11: 7,585,360 km (0.108 R)
• M12: 8,266,778 km (0.063 R)
• M13: 9,348,221 km (0.069 R)
• M14: 10,485,464 km (0.094 R)
• M15: 11,143,396 km (0.113 R)
• M16: 14,316,217 km (0.12 R)
• M17: 15,542,022 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.2

Radius: 14.8

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.15 AU - 2.31 AU

Year: 2299 Days

Day: 7 Hours

Environment

Temp: -195 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,751,407 km

• M1: 184,454 km (0.096 R)
• M2: 661,671 km (0.032 R)
• M3: 1,457,682 km (0.078 R)
• M4: 1,940,284 km (0.041 R)
• M5: 2,724,327 km (0.062 R)
• M6: 3,191,521 km (0.117 R)
• M7: 3,731,719 km (0.082 R)
• M8: 4,249,028 km (0.072 R)
• M9: 5,965,365 km (0.109 R)
• M10: 7,142,700 km (0.051 R)
• M11: 9,334,758 km (0.042 R)
• M12: 10,800,817 km (0.045 R)
• M13: 12,546,175 km (0.11 R)
• M14: 13,717,078 km (0.112 R)
• M15: 17,889,512 km (0.098 R)
• M16: 19,313,683 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.8

Radius: 11.4

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.95 AU - 3.13 AU

Year: 2794 Days

Day: 10.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,751,407 km

• M1: 141,819 km (0.116 R)
• M2: 556,055 km (0.071 R)
• M3: 1,281,605 km (0.1 R)
• M4: 1,908,570 km (0.083 R)
• M5: 2,676,007 km (0.087 R)
• M6: 3,472,017 km (0.097 R)
• M7: 3,828,658 km (0.028 R)
• M8: 5,264,499 km (0.067 R)
• M9: 5,877,700 km (0.062 R)
• M10: 6,238,530 km (0.082 R)
• M11: 7,111,883 km (0.094 R)
• M12: 8,849,761 km (0.098 R)
• M13: 9,228,693 km (0.067 R)
• M14: 9,951,849 km (0.101 R)
• M15: 12,903,415 km (0.1 R)
• M16: 13,309,423 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806

Radius: 11.4

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.55 AU - 4.07 AU

Year: 4157 Days

Day: 8 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,751,407 km

• M1: 147,504 km (0.109 R)
• M2: 634,594 km (0.09 R)
• M3: 1,149,510 km (0.09 R)
• M4: 1,742,067 km (0.07 R)
• M5: 2,146,131 km (0.11 R)
• M6: 2,563,360 km (0.081 R)
• M7: 3,053,293 km (0.098 R)
• M8: 3,605,309 km (0.078 R)
• M9: 4,062,181 km (0.064 R)
• M10: 5,362,485 km (0.093 R)
• M11: 6,108,679 km (0.029 R)
• M12: 9,194,884 km (0.085 R)
• M13: 10,349,330 km (0.104 R)
• M14: 11,051,094 km (0.025 R)
• M15: 11,413,719 km (0.095 R)
• M16: 12,598,385 km (0.118 R)
• M17: 13,603,832 km (0.1 R)
• M18: 14,825,299 km (0.042 R)
• M19: 21,204,750 km (0.081 R)
• M20: 22,990,799 km (0.075 R)
• M21: 24,566,962 km (0.052 R)
• M22: 25,499,256 km (0.079 R)
• M23: 25,974,229 km (0.073 R)
• M24: 26,616,603 km (0.047 R)
• M25: 27,600,209 km (0.103 R)
• M26: 28,184,987 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.7

Radius: 9.1

Gravity: 10.55 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.28 AU - 3.5 AU

Year: 4308 Days

Day: 9 Hours

Environment

Temp: -214 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,751,407 km

• M1: 113,246 km (0.061 R)
• M2: 501,452 km (0.102 R)
• M3: 934,837 km (0.078 R)
• M4: 1,401,582 km (0.064 R)
• M5: 1,695,991 km (0.12 R)
• M6: 2,149,123 km (0.073 R)
• M7: 2,751,554 km (0.054 R)
• M8: 3,421,004 km (0.118 R)
• M9: 3,783,480 km (0.038 R)
• M10: 4,387,706 km (0.105 R)
• M11: 4,764,543 km (0.103 R)
• M12: 5,583,741 km (0.068 R)
• M13: 6,785,161 km (0.085 R)
• M14: 7,429,329 km (0.11 R)
• M15: 8,644,363 km (0.105 R)
• M16: 11,463,535 km (0.116 R)
• M17: 13,441,967 km (0.083 R)
• M18: 15,180,743 km (0.081 R)
• M19: 17,558,900 km (0.074 R)
• M20: 18,836,466 km (0.06 R)
• M21: 19,632,177 km (0.117 R)
• M22: 22,153,949 km (0.083 R)
• M23: 23,416,555 km (0.032 R)
• M24: 24,962,798 km (0.118 R)
• M25: 26,575,912 km (0.113 R)
• M26: 27,073,175 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.9

Radius: 6.1

Gravity: 11.77 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.83 AU - 8.93 AU

Year: 15269 Days

Day: 18.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,751,407 km

• M1: 75,846 km (0.112 R)
• M2: 283,488 km (0.032 R)
• M3: 899,831 km (0.104 R)
• M4: 1,093,411 km (0.074 R)
• M5: 2,149,871 km (0.098 R)
• M6: 2,340,608 km (0.102 R)
• M7: 2,959,195 km (0.075 R)
• M8: 3,681,155 km (0.109 R)
• M9: 5,192,243 km (0.084 R)
• M10: 6,047,344 km (0.055 R)
• M11: 7,034,092 km (0.065 R)
• M12: 8,448,390 km (0.101 R)
• M13: 9,937,188 km (0.027 R)
• M14: 10,524,509 km (0.088 R)
• M15: 10,910,173 km (0.06 R)
• M16: 11,944,941 km (0.095 R)
• M17: 12,303,976 km (0.109 R)
• M18: 12,547,372 km (0.076 R)
• M19: 14,747,358 km (0.077 R)
• M20: 20,061,224 km (0.119 R)
• M21: 23,049,890 km (0.112 R)
• M22: 23,700,192 km (0.044 R)
• M23: 24,458,055 km (0.076 R)
• M24: 26,524,450 km (0.108 R)
• M25: 28,597,877 km (0.11 R)
• M26: 33,181,705 km (0.087 R)
• M27: 34,610,515 km (0.05 R)
• M28: 35,585,593 km (0.052 R)
• M29: 38,103,026 km (0.09 R)
• M30: 41,413,777 km (0.042 R)
• M31: 44,196,597 km (0.067 R)
• M32: 45,055,139 km (0.109 R)
• M33: 54,424,005 km (0.091 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 18,234 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit