🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.6

Radius: 12.3

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.55 AU - 0.83 AU

Year: 389 Days

Day: 6.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 88,669,292 km

• M1: 153,039 km (0.117 R)
• M2: 540,048 km (0.114 R)
• M3: 1,019,360 km (0.105 R)
• M4: 1,473,838 km (0.068 R)
• M5: 1,867,131 km (0.088 R)
• M6: 2,528,653 km (0.055 R)
• M7: 3,435,066 km (0.088 R)
• M8: 3,952,376 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.2

Radius: 8.7

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.17 AU - 1.93 AU

Year: 1309 Days

Day: 8.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,669,292 km

• M1: 108,159 km (0.118 R)
• M2: 432,188 km (0.049 R)
• M3: 1,522,458 km (0.074 R)
• M4: 2,725,374 km (0.09 R)
• M5: 3,151,878 km (0.067 R)
• M6: 3,653,330 km (0.112 R)
• M7: 4,005,483 km (0.12 R)
• M8: 5,522,555 km (0.042 R)
• M9: 6,570,638 km (0.083 R)
• M10: 8,247,929 km (0.086 R)
• M11: 9,084,480 km (0.1 R)
• M12: 9,642,929 km (0.085 R)
• M13: 10,161,884 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.8

Radius: 10.5

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.16 AU - 2.3 AU

Year: 2259 Days

Day: 6.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,669,292 km

• M1: 130,599 km (0.095 R)
• M2: 510,278 km (0.096 R)
• M3: 885,171 km (0.048 R)
• M4: 1,566,439 km (0.039 R)
• M5: 1,899,893 km (0.087 R)
• M6: 2,470,160 km (0.109 R)
• M7: 3,151,578 km (0.102 R)
• M8: 3,510,314 km (0.071 R)
• M9: 5,709,403 km (0.034 R)
• M10: 6,539,671 km (0.104 R)
• M11: 7,301,274 km (0.073 R)
• M12: 8,120,920 km (0.059 R)
• M13: 8,634,939 km (0.097 R)
• M14: 9,102,282 km (0.11 R)
• M15: 9,657,141 km (0.086 R)
• M16: 12,104,861 km (0.092 R)
• M17: 13,427,905 km (0.086 R)
• M18: 14,055,917 km (0.064 R)
• M19: 14,703,526 km (0.065 R)
• M20: 15,370,882 km (0.074 R)
• M21: 15,712,115 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.4

Radius: 11.6

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.88 AU - 3.88 AU

Year: 4215 Days

Day: 12.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,669,292 km

• M1: 144,362 km (0.116 R)
• M2: 545,135 km (0.065 R)
• M3: 1,700,030 km (0.06 R)
• M4: 3,727,231 km (0.096 R)
• M5: 4,955,729 km (0.086 R)
• M6: 5,496,226 km (0.074 R)
• M7: 7,021,226 km (0.069 R)
• M8: 7,865,557 km (0.077 R)
• M9: 8,988,139 km (0.091 R)
• M10: 11,676,114 km (0.108 R)
• M11: 12,680,215 km (0.108 R)
• M12: 15,212,308 km (0.096 R)
• M13: 15,986,178 km (0.085 R)
• M14: 16,786,078 km (0.059 R)

Asteroid Belt

Center: 3.85 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.5

Radius: 9.7

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.02 AU - 4.6 AU

Year: 6069 Days

Day: 13.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,669,292 km

• M1: 120,725 km (0.071 R)
• M2: 431,440 km (0.084 R)
• M3: 852,857 km (0.095 R)
• M4: 1,918,293 km (0.087 R)
• M5: 2,576,075 km (0.081 R)
• M6: 3,140,807 km (0.106 R)
• M7: 4,314,851 km (0.083 R)
• M8: 4,965,153 km (0.115 R)
• M9: 5,288,434 km (0.052 R)
• M10: 5,679,184 km (0.072 R)
• M11: 7,153,920 km (0.049 R)
• M12: 8,098,481 km (0.084 R)
• M13: 8,477,861 km (0.117 R)
• M14: 8,941,315 km (0.079 R)
• M15: 9,346,725 km (0.092 R)
• M16: 10,636,857 km (0.119 R)
• M17: 12,445,795 km (0.072 R)
• M18: 12,998,260 km (0.086 R)
• M19: 14,958,740 km (0.114 R)
• M20: 18,671,460 km (0.072 R)
• M21: 22,011,980 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.6

Radius: 5.3

Gravity: 33.56 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 9.92 AU - 10.08 AU

Year: 21448 Days

Day: 22.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 88,669,292 km

• M1: 65,973 km (0.104 R)
• M2: 463,903 km (0.091 R)
• M3: 645,365 km (0.109 R)
• M4: 1,260,362 km (0.074 R)
• M5: 1,790,537 km (0.105 R)
• M6: 2,031,838 km (0.064 R)
• M7: 2,555,132 km (0.095 R)
• M8: 3,579,129 km (0.109 R)
• M9: 3,996,507 km (0.095 R)
• M10: 5,161,725 km (0.04 R)
• M11: 5,444,016 km (0.055 R)
• M12: 6,677,301 km (0.058 R)
• M13: 7,110,536 km (0.049 R)
• M14: 7,562,172 km (0.114 R)
• M15: 9,987,752 km (0.117 R)
• M16: 10,299,664 km (0.065 R)
• M17: 10,682,634 km (0.093 R)
• M18: 11,141,301 km (0.084 R)
• M19: 15,049,845 km (0.114 R)
• M20: 15,961,943 km (0.073 R)
• M21: 22,010,634 km (0.095 R)
• M22: 22,220,969 km (0.103 R)
• M23: 30,980,821 km (0.101 R)
• M24: 36,115,918 km (0.084 R)
• M25: 36,850,593 km (0.113 R)
• M26: 38,654,444 km (0.052 R)
• M27: 39,889,225 km (0.067 R)
• M28: 40,358,813 km (0.112 R)
• M29: 41,469,278 km (0.06 R)
• M30: 42,599,789 km (0.087 R)
• M31: 43,419,884 km (0.069 R)
• M32: 44,417,702 km (0.096 R)
• M33: 51,279,457 km (0.11 R)
• M34: 56,816,673 km (0.1 R)
• M35: 57,212,658 km (0.111 R)
• M36: 80,183,860 km (0.177 R)
• M37: 84,741,659 km (0.113 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: 245 - 19,446 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit