🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.2

Radius: 13.6

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.13 AU - 1.45 AU

Year: 977 Days

Day: 8.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,829,720 km

• M1: 169,195 km (0.088 R)
• M2: 703,559 km (0.082 R)
• M3: 1,186,610 km (0.109 R)
• M4: 1,682,976 km (0.113 R)
• M5: 2,297,674 km (0.118 R)
• M6: 2,892,176 km (0.108 R)
• M7: 3,372,534 km (0.108 R)
• M8: 4,276,405 km (0.11 R)
• M9: 4,741,355 km (0.082 R)
• M10: 5,413,947 km (0.112 R)
• M11: 5,917,942 km (0.114 R)
• M12: 6,789,799 km (0.118 R)
• M13: 8,546,676 km (0.108 R)
• M14: 9,777,567 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.5

Radius: 10.8

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.33 AU - 1.41 AU

Year: 1069 Days

Day: 13.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,829,720 km

• M1: 134,339 km (0.086 R)
• M2: 629,358 km (0.056 R)
• M3: 965,953 km (0.086 R)
• M4: 1,376,749 km (0.057 R)
• M5: 1,760,917 km (0.077 R)
• M6: 2,227,213 km (0.085 R)
• M7: 2,586,846 km (0.094 R)
• M8: 3,166,837 km (0.114 R)
• M9: 3,523,778 km (0.09 R)
• M10: 4,157,774 km (0.099 R)
• M11: 4,553,310 km (0.067 R)
• M12: 5,175,189 km (0.088 R)
• M13: 6,415,355 km (0.104 R)
• M14: 7,174,564 km (0.102 R)
• M15: 8,295,800 km (0.049 R)
• M16: 8,738,610 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.8

Radius: 8.3

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.89 AU - 2.89 AU

Year: 2464 Days

Day: 10.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,829,720 km

• M1: 103,223 km (0.115 R)
• M2: 504,444 km (0.1 R)
• M3: 847,472 km (0.111 R)
• M4: 1,329,626 km (0.082 R)
• M5: 3,197,355 km (0.104 R)
• M6: 3,584,963 km (0.095 R)
• M7: 4,711,286 km (0.114 R)
• M8: 5,214,234 km (0.115 R)
• M9: 6,013,236 km (0.111 R)
• M10: 6,419,095 km (0.104 R)
• M11: 7,643,254 km (0.07 R)
• M12: 8,757,459 km (0.079 R)
• M13: 9,220,614 km (0.084 R)
• M14: 10,038,765 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.3

Radius: 10.3

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.2 AU - 5.68 AU

Year: 7322 Days

Day: 6.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,829,720 km

• M1: 128,505 km (0.092 R)
• M2: 836,850 km (0.101 R)
• M3: 1,247,048 km (0.11 R)
• M4: 2,033,185 km (0.113 R)
• M5: 2,971,911 km (0.095 R)
• M6: 3,580,775 km (0.114 R)
• M7: 7,178,753 km (0.111 R)
• M8: 8,922,167 km (0.108 R)
• M9: 12,185,943 km (0.106 R)
• M10: 14,431,856 km (0.032 R)
• M11: 15,766,868 km (0.073 R)
• M12: 18,938,791 km (0.077 R)
• M13: 19,527,908 km (0.11 R)
• M14: 20,674,127 km (0.103 R)
• M15: 22,440,279 km (0.068 R)
• M16: 25,235,665 km (0.036 R)
• M17: 26,270,732 km (0.12 R)
• M18: 28,510,362 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 537.8

Radius: 3.6

Gravity: 41.5 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.56 AU - 7.22 AU

Year: 9532 Days

Day: 22.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 42,829,720 km

• M1: 44,879 km (0.112 R)
• M2: 186,249 km (0.104 R)
• M3: 320,139 km (0.101 R)
• M4: 1,177,036 km (0.087 R)
• M5: 1,638,994 km (0.109 R)
• M6: 1,847,833 km (0.111 R)
• M7: 1,991,447 km (0.105 R)
• M8: 2,211,954 km (0.097 R)
• M9: 4,543,736 km (0.1 R)
• M10: 5,297,261 km (0.084 R)
• M11: 5,653,752 km (0.099 R)
• M12: 6,060,659 km (0.088 R)
• M13: 7,008,959 km (0.101 R)
• M14: 7,240,986 km (0.078 R)
• M15: 7,598,824 km (0.067 R)
• M16: 7,968,181 km (0.118 R)
• M17: 9,057,253 km (0.094 R)
• M18: 9,286,288 km (0.092 R)
• M19: 10,045,497 km (0.118 R)
• M20: 10,540,516 km (0.104 R)
• M21: 11,848,899 km (0.071 R)
• M22: 12,457,463 km (0.097 R)
• M23: 12,626,958 km (0.111 R)
• M24: 13,086,523 km (0.119 R)
• M25: 14,469,854 km (0.05 R)
• M26: 15,815,337 km (0.059 R)
• M27: 20,426,692 km (0.096 R)
• M28: 23,462,780 km (0.041 R)
• M29: 24,156,615 km (0.115 R)
• M30: 24,774,903 km (0.113 R)
• M31: 28,805,668 km (0.061 R)
• M32: 29,701,311 km (0.113 R)
• M33: 29,902,819 km (0.102 R)
• M34: 33,035,997 km (0.103 R)
• M35: 38,016,559 km (0.112 R)
• M36: 38,373,350 km (0.056 R)
• M37: 40,684,637 km (0.08 R)
• M38: 40,808,654 km (0.119 R)
• M39: 41,937,519 km (0.116 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 19,967 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit