🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.8

Radius: 12.7

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.17 AU - 1.29 AU

Year: 942 Days

Day: 9.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,937,866 km

• M1: 158,275 km (0.104 R)
• M2: 715,227 km (0.088 R)
• M3: 1,165,966 km (0.098 R)
• M4: 1,569,581 km (0.104 R)
• M5: 2,180,838 km (0.098 R)
• M6: 2,697,549 km (0.109 R)
• M7: 3,104,455 km (0.087 R)
• M8: 3,839,280 km (0.095 R)
• M9: 4,240,352 km (0.102 R)
• M10: 4,849,065 km (0.045 R)
• M11: 5,261,058 km (0.056 R)
• M12: 5,965,215 km (0.112 R)
• M13: 6,685,828 km (0.115 R)
• M14: 7,221,837 km (0.118 R)
• M15: 7,636,223 km (0.101 R)
• M16: 8,647,655 km (0.106 R)
• M17: 9,370,212 km (0.115 R)
• M18: 9,864,184 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.3

Radius: 13.1

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.73 AU - 5.25 AU

Year: 7694 Days

Day: 11.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 51.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,937,866 km

• M1: 163,810 km (0.069 R)
• M2: 728,990 km (0.095 R)
• M3: 1,381,387 km (0.109 R)
• M4: 1,868,926 km (0.09 R)
• M5: 2,389,527 km (0.111 R)
• M6: 2,819,920 km (0.09 R)
• M7: 3,662,006 km (0.046 R)
• M8: 5,844,490 km (0.098 R)
• M9: 9,233,181 km (0.119 R)
• M10: 9,998,074 km (0.066 R)
• M11: 11,703,041 km (0.094 R)
• M12: 13,702,118 km (0.093 R)
• M13: 15,563,863 km (0.094 R)
• M14: 16,341,772 km (0.116 R)
• M15: 18,831,679 km (0.118 R)
• M16: 19,853,582 km (0.088 R)
• M17: 23,918,306 km (0.063 R)
• M18: 24,472,566 km (0.058 R)
• M19: 27,719,139 km (0.089 R)
• M20: 31,620,053 km (0.059 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742.1

Radius: 6.8

Gravity: 16.05 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.51 AU - 8.19 AU

Year: 12375 Days

Day: 19.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 61.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 24,937,866 km

• M1: 93,947 km (0.105 R)
• M2: 308,022 km (0.065 R)
• M3: 616,792 km (0.114 R)
• M4: 858,093 km (0.101 R)
• M5: 1,941,182 km (0.115 R)
• M6: 2,233,795 km (0.032 R)
• M7: 3,048,655 km (0.054 R)
• M8: 4,163,608 km (0.044 R)
• M9: 4,910,999 km (0.085 R)
• M10: 7,556,338 km (0.071 R)
• M11: 8,097,434 km (0.096 R)
• M12: 10,195,693 km (0.118 R)
• M13: 11,025,662 km (0.061 R)
• M14: 11,311,993 km (0.096 R)
• M15: 12,140,466 km (0.057 R)
• M16: 13,199,918 km (0.111 R)
• M17: 13,719,322 km (0.086 R)
• M18: 15,217,843 km (0.044 R)
• M19: 16,006,523 km (0.086 R)
• M20: 16,897,827 km (0.038 R)
• M21: 17,587,623 km (0.114 R)
• M22: 17,978,971 km (0.112 R)
• M23: 18,941,634 km (0.106 R)
• M24: 22,216,929 km (0.114 R)
• M25: 23,044,505 km (0.106 R)
• M26: 38,042,140 km (0.084 R)
• M27: 38,828,427 km (0.097 R)
• M28: 41,114,731 km (0.072 R)
• M29: 48,357,063 km (0.114 R)
• M30: 51,159,330 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.5

Radius: 4.4

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.05 AU - 8.03 AU

Year: 12893 Days

Day: 20.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 24,937,866 km

• M1: 54,753 km (0.057 R)
• M2: 316,699 km (0.104 R)
• M3: 502,948 km (0.082 R)
• M4: 739,313 km (0.115 R)
• M5: 930,200 km (0.116 R)
• M6: 1,214,735 km (0.05 R)
• M7: 1,506,301 km (0.077 R)
• M8: 2,577,123 km (0.047 R)
• M9: 3,445,837 km (0.104 R)
• M10: 6,137,552 km (0.097 R)
• M11: 6,424,032 km (0.112 R)
• M12: 7,515,797 km (0.114 R)
• M13: 7,770,113 km (0.114 R)
• M14: 8,372,993 km (0.107 R)
• M15: 9,628,867 km (0.062 R)
• M16: 11,619,566 km (0.119 R)
• M17: 14,361,994 km (0.081 R)
• M18: 15,441,791 km (0.1 R)
• M19: 17,380,580 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.6

Radius: 6

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.75 AU - 8.11 AU

Year: 15414 Days

Day: 17.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,937,866 km

• M1: 74,649 km (0.115 R)
• M2: 357,838 km (0.086 R)
• M3: 626,217 km (0.03 R)
• M4: 3,201,245 km (0.097 R)
• M5: 4,166,301 km (0.057 R)
• M6: 4,511,573 km (0.091 R)
• M7: 5,445,063 km (0.103 R)
• M8: 9,866,578 km (0.088 R)
• M9: 11,162,245 km (0.114 R)
• M10: 12,240,247 km (0.116 R)
• M11: 13,336,949 km (0.106 R)
• M12: 14,863,895 km (0.04 R)
• M13: 22,071,969 km (0.093 R)
• M14: 23,763,472 km (0.114 R)
• M15: 24,345,857 km (0.088 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 18,699 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit