🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.6

Radius: 11.3

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.7 AU - 0.96 AU

Year: 513 Days

Day: 10.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,925,381 km

• M1: 140,472 km (0.083 R)
• M2: 511,475 km (0.105 R)
• M3: 1,038,808 km (0.118 R)
• M4: 1,527,993 km (0.085 R)
• M5: 1,967,810 km (0.1 R)
• M6: 2,686,628 km (0.032 R)
• M7: 3,285,917 km (0.05 R)
• M8: 3,903,906 km (0.113 R)
• M9: 4,299,144 km (0.056 R)
• M10: 4,894,693 km (0.066 R)
• M11: 5,773,431 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.7

Radius: 10.3

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.76 AU - 1.02 AU

Year: 569 Days

Day: 12.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,925,381 km

• M1: 128,505 km (0.104 R)
• M2: 481,705 km (0.062 R)
• M3: 810,820 km (0.114 R)
• M4: 1,200,673 km (0.07 R)
• M5: 1,628,672 km (0.112 R)
• M6: 2,589,838 km (0.095 R)
• M7: 3,121,360 km (0.103 R)
• M8: 4,647,258 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502

Radius: 14.8

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.37 AU - 1.45 AU

Year: 1136 Days

Day: 5.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,925,381 km

• M1: 184,005 km (0.057 R)
• M2: 845,078 km (0.118 R)
• M3: 1,326,185 km (0.091 R)
• M4: 1,894,208 km (0.115 R)
• M5: 2,743,775 km (0.061 R)
• M6: 3,298,932 km (0.069 R)
• M7: 4,167,198 km (0.066 R)
• M8: 5,894,007 km (0.119 R)
• M9: 6,579,314 km (0.099 R)
• M10: 7,317,430 km (0.116 R)
• M11: 9,069,969 km (0.117 R)
• M12: 10,044,749 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.4

Radius: 13.3

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.41 AU - 1.87 AU

Year: 1424 Days

Day: 13.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,925,381 km

• M1: 166,054 km (0.112 R)
• M2: 652,696 km (0.114 R)
• M3: 1,542,055 km (0.048 R)
• M4: 2,335,073 km (0.094 R)
• M5: 2,819,022 km (0.113 R)
• M6: 4,494,369 km (0.114 R)
• M7: 5,122,530 km (0.078 R)
• M8: 5,854,961 km (0.058 R)
• M9: 7,501,735 km (0.118 R)
• M10: 8,328,861 km (0.12 R)
• M11: 9,027,334 km (0.11 R)
• M12: 13,610,414 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.9

Radius: 10.5

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.78 AU - 3.64 AU

Year: 3901 Days

Day: 13.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,925,381 km

• M1: 130,599 km (0.093 R)
• M2: 557,402 km (0.115 R)
• M3: 1,113,607 km (0.072 R)
• M4: 1,497,175 km (0.118 R)
• M5: 2,229,008 km (0.035 R)
• M6: 2,611,231 km (0.104 R)
• M7: 4,030,765 km (0.109 R)
• M8: 4,732,080 km (0.025 R)
• M9: 5,321,645 km (0.097 R)
• M10: 6,593,077 km (0.091 R)
• M11: 7,657,017 km (0.03 R)
• M12: 8,119,574 km (0.116 R)
• M13: 9,869,271 km (0.108 R)
• M14: 14,467,610 km (0.064 R)
• M15: 15,611,435 km (0.09 R)
• M16: 16,105,557 km (0.08 R)
• M17: 16,814,651 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.7

Radius: 7.3

Gravity: 18.23 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.94 AU - 8.78 AU

Year: 13543 Days

Day: 20.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,925,381 km

• M1: 91,255 km (0.062 R)
• M2: 474,674 km (0.094 R)
• M3: 727,046 km (0.112 R)
• M4: 2,889,333 km (0.097 R)
• M5: 4,179,017 km (0.109 R)
• M6: 4,431,837 km (0.103 R)
• M7: 4,762,299 km (0.051 R)
• M8: 7,931,380 km (0.059 R)
• M9: 10,003,460 km (0.058 R)
• M10: 10,399,894 km (0.105 R)
• M11: 11,467,574 km (0.082 R)
• M12: 13,543,245 km (0.073 R)
• M13: 13,958,529 km (0.084 R)
• M14: 17,107,414 km (0.076 R)
• M15: 21,530,574 km (0.089 R)
• M16: 22,866,184 km (0.07 R)
• M17: 30,029,529 km (0.118 R)
• M18: 34,690,699 km (0.094 R)
• M19: 37,870,402 km (0.104 R)
• M20: 42,258,107 km (0.098 R)
• M21: 43,144,774 km (0.045 R)
• M22: 45,261,733 km (0.111 R)
• M23: 45,724,290 km (0.073 R)
• M24: 46,034,406 km (0.096 R)
• M25: 49,375,376 km (0.086 R)
• M26: 63,583,733 km (0.026 R)
• M27: 64,357,902 km (0.108 R)
• M28: 65,925,388 km (0.104 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 12,669 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit