🌌 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: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.5

Radius: 10.3

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.59 AU - 0.77 AU

Year: 362 Days

Day: 10.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 51.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,126,054 km

• M1: 128,056 km (0.099 R)
• M2: 471,084 km (0.074 R)
• M3: 827,426 km (0.118 R)
• M4: 1,219,821 km (0.113 R)
• M5: 1,695,243 km (0.082 R)
• M6: 2,266,557 km (0.104 R)
• M7: 2,630,679 km (0.06 R)
• M8: 3,593,191 km (0.115 R)
• M9: 4,194,126 km (0.049 R)
• M10: 4,691,090 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.3

Radius: 8.5

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.75 AU - 0.99 AU

Year: 524 Days

Day: 11 Hours

Environment

Temp: -142 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,126,054 km

• M1: 105,766 km (0.112 R)
• M2: 476,320 km (0.117 R)
• M3: 754,422 km (0.118 R)
• M4: 1,051,823 km (0.034 R)
• M5: 1,395,599 km (0.058 R)
• M6: 1,813,874 km (0.071 R)
• M7: 2,096,614 km (0.118 R)
• M8: 2,380,102 km (0.12 R)
• M9: 2,678,999 km (0.041 R)
• M10: 2,958,447 km (0.096 R)
• M11: 3,796,046 km (0.09 R)
• M12: 4,540,445 km (0.093 R)
• M13: 4,829,917 km (0.115 R)
• M14: 5,180,574 km (0.118 R)
• M15: 6,022,960 km (0.079 R)
• M16: 6,298,220 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.2

Radius: 13.1

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.09 AU - 1.13 AU

Year: 755 Days

Day: 10 Hours

Environment

Temp: -167 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,126,054 km

• M1: 162,912 km (0.048 R)
• M2: 670,198 km (0.097 R)
• M3: 1,452,895 km (0.061 R)
• M4: 1,917,845 km (0.063 R)
• M5: 2,665,834 km (0.051 R)
• M6: 3,170,577 km (0.091 R)
• M7: 3,724,987 km (0.119 R)
• M8: 4,297,199 km (0.045 R)
• M9: 4,995,671 km (0.104 R)
• M10: 5,882,787 km (0.104 R)
• M11: 7,829,354 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.4

Radius: 12.5

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.02 AU - 2.1 AU

Year: 1909 Days

Day: 5.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,126,054 km

• M1: 155,881 km (0.071 R)
• M2: 622,327 km (0.072 R)
• M3: 1,127,818 km (0.111 R)
• M4: 2,153,013 km (0.111 R)
• M5: 2,775,340 km (0.063 R)
• M6: 3,390,935 km (0.094 R)
• M7: 4,474,921 km (0.099 R)
• M8: 5,200,022 km (0.113 R)
• M9: 5,733,189 km (0.102 R)
• M10: 7,189,075 km (0.12 R)
• M11: 8,789,623 km (0.116 R)
• M12: 11,301,072 km (0.099 R)
• M13: 12,235,460 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.3

Radius: 13.7

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.21 AU - 2.97 AU

Year: 2691 Days

Day: 12.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 65,126,054 km

• M1: 172,038 km (0.047 R)
• M2: 959,521 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.1

Radius: 3.8

Gravity: 61.16 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 7.3 AU - 11.1 AU

Year: 18018 Days

Day: 24.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,126,054 km

• M1: 58,792 km (0.097 R)
• M2: 268,229 km (0.096 R)
• M3: 1,467,705 km (0.073 R)
• M4: 1,989,053 km (0.089 R)
• M5: 3,801,132 km (0.037 R)
• M6: 5,290,379 km (0.093 R)
• M7: 6,057,517 km (0.092 R)
• M8: 6,227,909 km (0.097 R)
• M9: 6,489,705 km (0.112 R)
• M10: 7,271,205 km (0.12 R)
• M11: 8,011,116 km (0.083 R)
• M12: 8,745,791 km (0.111 R)
• M13: 9,185,160 km (0.074 R)
• M14: 11,605,354 km (0.055 R)
• M15: 15,265,864 km (0.111 R)
• M16: 18,268,144 km (0.056 R)
• M17: 23,161,790 km (0.084 R)
• M18: 26,187,107 km (0.065 R)
• M19: 51,233,680 km (0.097 R)
• M20: 56,889,228 km (0.111 R)
• M21: 57,078,170 km (0.116 R)
• M22: 58,605,714 km (0.081 R)
• M23: 65,402,244 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.8

Radius: 3.7

Gravity: 35.56 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.36 AU - 9.56 AU

Year: 18787 Days

Day: 15.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 65,126,054 km

• M1: 46,525 km (0.079 R)
• M2: 270,024 km (0.119 R)
• M3: 758,012 km (0.117 R)
• M4: 1,163,722 km (0.067 R)
• M5: 1,768,247 km (0.102 R)
• M6: 2,884,397 km (0.075 R)
• M7: 3,702,398 km (0.111 R)
• M8: 3,906,449 km (0.116 R)
• M9: 4,087,463 km (0.119 R)
• M10: 5,006,742 km (0.108 R)
• M11: 5,819,656 km (0.106 R)
• M12: 6,802,814 km (0.088 R)
• M13: 7,288,408 km (0.108 R)
• M14: 10,236,982 km (0.065 R)
• M15: 13,209,193 km (0.082 R)
• M16: 13,963,166 km (0.09 R)
• M17: 18,586,638 km (0.105 R)
• M18: 20,509,270 km (0.108 R)
• M19: 21,425,407 km (0.111 R)
• M20: 24,846,561 km (0.064 R)
• M21: 25,571,961 km (0.106 R)
• M22: 28,165,838 km (0.117 R)
• M23: 30,222,659 km (0.057 R)
• M24: 30,811,177 km (0.069 R)
• M25: 34,122,377 km (0.077 R)
• M26: 34,632,206 km (0.077 R)
• M27: 37,392,586 km (0.118 R)
• M28: 40,580,218 km (0.09 R)
• M29: 41,440,555 km (0.092 R)
• M30: 41,875,286 km (0.098 R)
• M31: 42,313,010 km (0.104 R)
• M32: 46,546,779 km (0.081 R)
• M33: 47,489,395 km (0.114 R)
• M34: 53,071,939 km (0.066 R)
• M35: 56,907,928 km (0.065 R)
• M36: 57,804,767 km (0.066 R)
• M37: 59,076,199 km (0.117 R)
• M38: 64,736,384 km (0.095 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 12,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit