🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.8

Radius: 10.1

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.41 AU - 0.61 AU

Year: 243 Days

Day: 13.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,380,848 km

• M1: 125,662 km (0.084 R)
• M2: 510,727 km (0.067 R)
• M3: 824,883 km (0.115 R)
• M4: 1,149,959 km (0.1 R)
• M5: 1,668,315 km (0.071 R)
• M6: 1,986,361 km (0.057 R)
• M7: 2,394,314 km (0.063 R)
• M8: 2,775,041 km (0.108 R)
• M9: 3,297,735 km (0.055 R)
• M10: 3,827,761 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.5

Radius: 15

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.88 AU - 1.04 AU

Year: 627 Days

Day: 9.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 52.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,380,848 km

• M1: 186,698 km (0.107 R)
• M2: 696,079 km (0.102 R)
• M3: 1,517,820 km (0.111 R)
• M4: 2,130,274 km (0.089 R)
• M5: 3,374,180 km (0.097 R)
• M6: 4,405,956 km (0.061 R)
• M7: 4,902,173 km (0.119 R)
• M8: 6,337,564 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.3

Radius: 12.1

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.34 AU - 1.74 AU

Year: 1274 Days

Day: 5.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,380,848 km

• M1: 152,739 km (0.12 R)
• M2: 536,458 km (0.071 R)
• M3: 967,001 km (0.085 R)
• M4: 1,427,313 km (0.088 R)
• M5: 2,025,106 km (0.085 R)
• M6: 3,005,870 km (0.071 R)
• M7: 3,497,748 km (0.111 R)
• M8: 4,361,227 km (0.093 R)
• M9: 4,799,997 km (0.07 R)
• M10: 5,826,388 km (0.099 R)
• M11: 6,859,212 km (0.115 R)
• M12: 7,741,391 km (0.104 R)
• M13: 8,184,799 km (0.094 R)
• M14: 8,882,074 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.9

Radius: 14.9

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.28 AU - 1.8 AU

Year: 1274 Days

Day: 6 Hours

Environment

Temp: -202 °C

Axial Tilt: 174 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,380,848 km

• M1: 185,501 km (0.041 R)
• M2: 649,554 km (0.057 R)
• M3: 1,308,832 km (0.082 R)
• M4: 2,428,871 km (0.06 R)
• M5: 3,050,749 km (0.064 R)
• M6: 3,778,094 km (0.107 R)
• M7: 4,265,185 km (0.077 R)
• M8: 5,011,080 km (0.104 R)
• M9: 6,324,400 km (0.118 R)
• M10: 6,878,211 km (0.116 R)
• M11: 7,609,894 km (0.066 R)
• M12: 8,109,102 km (0.099 R)
• M13: 8,926,355 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.9

Radius: 12.1

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.47 AU - 3.71 AU

Year: 3622 Days

Day: 9.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,380,848 km

• M1: 150,495 km (0.106 R)
• M2: 678,875 km (0.091 R)
• M3: 1,226,254 km (0.051 R)
• M4: 1,979,928 km (0.104 R)
• M5: 3,887,001 km (0.032 R)
• M6: 4,909,503 km (0.112 R)
• M7: 6,280,119 km (0.098 R)
• M8: 6,706,323 km (0.097 R)
• M9: 8,031,461 km (0.101 R)
• M10: 8,982,155 km (0.114 R)
• M11: 10,504,463 km (0.04 R)
• M12: 11,150,576 km (0.099 R)
• M13: 12,192,376 km (0.114 R)
• M14: 12,665,255 km (0.097 R)
• M15: 14,312,926 km (0.068 R)
• M16: 15,875,326 km (0.115 R)
• M17: 16,611,348 km (0.033 R)
• M18: 18,458,582 km (0.081 R)
• M19: 21,107,212 km (0.1 R)
• M20: 22,136,595 km (0.093 R)
• M21: 22,628,174 km (0.069 R)
• M22: 24,147,191 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.4

Radius: 13.4

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.97 AU - 3.69 AU

Year: 4052 Days

Day: 5.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,380,848 km

• M1: 166,652 km (0.071 R)
• M2: 593,006 km (0.095 R)
• M3: 1,025,045 km (0.11 R)
• M4: 2,057,868 km (0.104 R)
• M5: 2,685,581 km (0.082 R)
• M6: 3,266,170 km (0.08 R)
• M7: 4,633,644 km (0.104 R)
• M8: 5,209,147 km (0.099 R)
• M9: 5,720,174 km (0.095 R)
• M10: 6,906,634 km (0.093 R)
• M11: 7,934,222 km (0.093 R)
• M12: 8,612,948 km (0.081 R)
• M13: 10,459,135 km (0.108 R)
• M14: 12,367,854 km (0.113 R)
• M15: 13,881,186 km (0.082 R)
• M16: 14,921,041 km (0.113 R)
• M17: 15,900,758 km (0.097 R)
• M18: 17,273,169 km (0.105 R)
• M19: 18,109,421 km (0.077 R)
• M20: 21,048,121 km (0.108 R)
• M21: 25,723,653 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.4

Radius: 9.9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.77 AU - 5.35 AU

Year: 7590 Days

Day: 7.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,380,848 km

• M1: 176,376 km (0.105 R)
• M2: 738,415 km (0.107 R)
• M3: 1,182,870 km (0.091 R)
• M4: 1,896,303 km (0.039 R)
• M5: 4,390,249 km (0.044 R)
• M6: 4,835,302 km (0.054 R)
• M7: 9,407,462 km (0.107 R)
• M8: 13,694,189 km (0.111 R)
• M9: 14,940,339 km (0.114 R)
• M10: 19,189,517 km (0.104 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: 222 - 16,497 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit