🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296

Radius: 8.6

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.87 AU - 1.27 AU

Year: 715 Days

Day: 13.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,698,450 km

• M1: 106,962 km (0.104 R)
• M2: 381,325 km (0.079 R)
• M3: 696,228 km (0.085 R)
• M4: 1,035,666 km (0.116 R)
• M5: 1,458,430 km (0.101 R)
• M6: 2,052,632 km (0.073 R)
• M7: 2,425,131 km (0.077 R)
• M8: 2,962,038 km (0.11 R)
• M9: 3,526,171 km (0.046 R)
• M10: 3,834,044 km (0.118 R)
• M11: 4,145,955 km (0.063 R)
• M12: 4,563,483 km (0.096 R)
• M13: 4,945,706 km (0.114 R)
• M14: 5,584,638 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.4

Radius: 9.8

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.03 AU - 1.67 AU

Year: 1013 Days

Day: 10.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,698,450 km

• M1: 121,922 km (0.076 R)
• M2: 482,004 km (0.106 R)
• M3: 830,567 km (0.08 R)
• M4: 1,219,971 km (0.104 R)
• M5: 1,562,849 km (0.107 R)
• M6: 2,211,505 km (0.119 R)
• M7: 2,666,283 km (0.091 R)
• M8: 3,859,775 km (0.119 R)
• M9: 4,241,698 km (0.091 R)
• M10: 5,603,188 km (0.104 R)
• M11: 6,050,336 km (0.039 R)
• M12: 6,801,018 km (0.115 R)
• M13: 7,162,148 km (0.104 R)
• M14: 7,975,661 km (0.05 R)
• M15: 8,736,964 km (0.105 R)
• M16: 10,530,793 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.8

Radius: 11.3

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.16 AU - 4.7 AU

Year: 6020 Days

Day: 5.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,698,450 km

• M1: 140,772 km (0.09 R)
• M2: 507,436 km (0.059 R)
• M3: 1,165,816 km (0.096 R)
• M4: 2,368,134 km (0.06 R)
• M5: 3,028,310 km (0.083 R)
• M6: 4,445,301 km (0.079 R)
• M7: 4,887,362 km (0.057 R)
• M8: 5,289,631 km (0.116 R)
• M9: 8,249,575 km (0.106 R)
• M10: 11,573,789 km (0.089 R)
• M11: 12,413,931 km (0.038 R)
• M12: 13,038,502 km (0.096 R)
• M13: 14,715,045 km (0.064 R)
• M14: 15,749,065 km (0.111 R)
• M15: 16,730,427 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.2

Radius: 9.1

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.47 AU - 4.53 AU

Year: 6164 Days

Day: 10.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 93.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,698,450 km

• M1: 113,246 km (0.116 R)
• M2: 437,723 km (0.093 R)
• M3: 807,081 km (0.071 R)
• M4: 1,103,434 km (0.084 R)
• M5: 1,615,657 km (0.081 R)
• M6: 1,969,157 km (0.092 R)
• M7: 2,342,254 km (0.09 R)
• M8: 3,292,051 km (0.092 R)
• M9: 3,978,855 km (0.115 R)
• M10: 4,356,440 km (0.087 R)
• M11: 4,967,846 km (0.084 R)
• M12: 8,640,923 km (0.111 R)
• M13: 9,815,116 km (0.052 R)
• M14: 11,323,362 km (0.114 R)
• M15: 11,747,322 km (0.119 R)
• M16: 12,828,167 km (0.116 R)
• M17: 13,654,845 km (0.072 R)
• M18: 14,297,816 km (0.103 R)
• M19: 15,357,119 km (0.07 R)
• M20: 15,935,165 km (0.051 R)
• M21: 16,890,198 km (0.1 R)
• M22: 17,946,359 km (0.067 R)
• M23: 19,444,282 km (0.098 R)
• M24: 24,436,812 km (0.087 R)
• M25: 26,685,567 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.6

Radius: 10.5

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.33 AU - 6.95 AU

Year: 8648 Days

Day: 13.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,698,450 km

• M1: 131,497 km (0.053 R)
• M2: 512,672 km (0.091 R)
• M3: 915,090 km (0.088 R)
• M4: 1,291,478 km (0.084 R)
• M5: 2,261,920 km (0.111 R)
• M6: 2,657,008 km (0.096 R)
• M7: 3,662,156 km (0.091 R)
• M8: 5,151,103 km (0.089 R)
• M9: 6,590,983 km (0.112 R)
• M10: 7,204,633 km (0.105 R)
• M11: 8,326,169 km (0.093 R)
• M12: 10,653,164 km (0.098 R)
• M13: 11,717,104 km (0.047 R)
• M14: 12,733,920 km (0.085 R)
• M15: 13,085,625 km (0.106 R)
• M16: 14,242,465 km (0.093 R)
• M17: 18,417,742 km (0.095 R)
• M18: 19,325,651 km (0.06 R)
• M19: 24,951,279 km (0.109 R)
• M20: 26,062,492 km (0.115 R)
• M21: 27,987,368 km (0.089 R)
• M22: 28,783,229 km (0.051 R)
• M23: 29,594,199 km (0.096 R)
• M24: 30,212,188 km (0.118 R)
• M25: 32,552,497 km (0.052 R)
• M26: 32,990,669 km (0.097 R)
• M27: 42,081,582 km (0.101 R)
• M28: 44,724,827 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.6

Radius: 5.4

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.89 AU - 7.11 AU

Year: 9489 Days

Day: 17.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,698,450 km

• M1: 67,319 km (0.057 R)
• M2: 360,381 km (0.094 R)
• M3: 981,212 km (0.12 R)
• M4: 1,335,460 km (0.103 R)
• M5: 2,687,077 km (0.028 R)
• M6: 3,167,735 km (0.07 R)
• M7: 5,106,972 km (0.045 R)
• M8: 7,129,087 km (0.051 R)
• M9: 9,563,193 km (0.102 R)
• M10: 9,799,558 km (0.078 R)
• M11: 12,742,896 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.2

Radius: 4.5

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 9.43 AU - 12.83 AU

Year: 23975 Days

Day: 21.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,698,450 km

• M1: 57,446 km (0.097 R)
• M2: 360,980 km (0.053 R)
• M3: 616,044 km (0.107 R)
• M4: 866,321 km (0.083 R)
• M5: 2,515,638 km (0.1 R)
• M6: 4,363,171 km (0.081 R)
• M7: 5,118,192 km (0.075 R)
• M8: 10,958,343 km (0.086 R)
• M9: 12,630,099 km (0.07 R)
• M10: 13,958,977 km (0.084 R)
• M11: 14,786,702 km (0.096 R)
• M12: 15,311,940 km (0.09 R)
• M13: 25,027,724 km (0.111 R)
• M14: 38,796,413 km (0.111 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 10,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit