🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.7

Radius: 11.8

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.89 AU - 1.11 AU

Year: 656 Days

Day: 8.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,961,131 km

• M1: 146,756 km (0.106 R)
• M2: 529,726 km (0.045 R)
• M3: 912,248 km (0.079 R)
• M4: 1,564,495 km (0.073 R)
• M5: 2,155,855 km (0.073 R)
• M6: 2,596,570 km (0.105 R)
• M7: 3,023,971 km (0.093 R)
• M8: 3,391,683 km (0.114 R)
• M9: 3,861,121 km (0.12 R)
• M10: 5,087,076 km (0.047 R)
• M11: 5,685,916 km (0.098 R)
• M12: 6,766,910 km (0.05 R)
• M13: 7,583,415 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.2

Radius: 14.7

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.28 AU - 1.32 AU

Year: 972 Days

Day: 10.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 71,961,131 km

• M1: 182,809 km (0.095 R)
• M2: 949,348 km (0.1 R)
• M3: 2,790,150 km (0.079 R)
• M4: 3,340,969 km (0.108 R)
• M5: 5,053,117 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.2

Radius: 10.2

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.39 AU - 1.49 AU

Year: 1134 Days

Day: 9.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,961,131 km

• M1: 126,859 km (0.082 R)
• M2: 483,800 km (0.084 R)
• M3: 871,108 km (0.117 R)
• M4: 1,420,881 km (0.113 R)
• M5: 2,031,988 km (0.105 R)
• M6: 2,595,673 km (0.061 R)
• M7: 2,915,064 km (0.104 R)
• M8: 3,466,631 km (0.085 R)
• M9: 5,142,876 km (0.096 R)
• M10: 8,376,733 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.3

Radius: 8.1

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.07 AU - 4.37 AU

Year: 4707 Days

Day: 12.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,961,131 km

• M1: 101,128 km (0.103 R)
• M2: 417,378 km (0.098 R)
• M3: 746,793 km (0.094 R)
• M4: 1,173,894 km (0.111 R)
• M5: 1,883,886 km (0.108 R)
• M6: 2,258,928 km (0.086 R)
• M7: 4,100,178 km (0.108 R)
• M8: 5,137,939 km (0.12 R)
• M9: 6,677,002 km (0.105 R)
• M10: 8,105,512 km (0.112 R)
• M11: 12,667,798 km (0.115 R)
• M12: 13,349,665 km (0.079 R)
• M13: 14,365,734 km (0.091 R)
• M14: 14,680,488 km (0.074 R)
• M15: 16,266,674 km (0.114 R)
• M16: 17,189,095 km (0.069 R)
• M17: 18,206,958 km (0.045 R)
• M18: 21,844,281 km (0.118 R)
• M19: 22,190,899 km (0.12 R)
• M20: 24,720,749 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.1

Radius: 4

Gravity: 14.44 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.46 AU - 8.92 AU

Year: 12647 Days

Day: 24.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,961,131 km

• M1: 50,115 km (0.113 R)
• M2: 189,391 km (0.088 R)
• M3: 385,514 km (0.045 R)
• M4: 536,458 km (0.075 R)
• M5: 923,767 km (0.069 R)
• M6: 1,177,485 km (0.047 R)
• M7: 5,159,182 km (0.094 R)
• M8: 12,413,183 km (0.089 R)
• M9: 12,576,992 km (0.114 R)
• M10: 13,190,194 km (0.101 R)
• M11: 13,590,667 km (0.103 R)
• M12: 13,764,799 km (0.038 R)
• M13: 13,999,219 km (0.113 R)
• M14: 18,403,380 km (0.072 R)
• M15: 21,696,927 km (0.086 R)
• M16: 25,013,362 km (0.078 R)
• M17: 31,197,589 km (0.029 R)
• M18: 34,856,453 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.3

Radius: 6.8

Gravity: 17.93 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.08 AU - 9.24 AU

Year: 16718 Days

Day: 15.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,961,131 km

• M1: 84,822 km (0.09 R)
• M2: 419,323 km (0.071 R)
• M3: 740,809 km (0.028 R)
• M4: 1,167,761 km (0.092 R)
• M5: 1,546,992 km (0.097 R)
• M6: 1,929,813 km (0.048 R)
• M7: 2,529,251 km (0.087 R)
• M8: 4,824,083 km (0.107 R)
• M9: 5,879,346 km (0.097 R)
• M10: 9,731,641 km (0.095 R)
• M11: 12,239,799 km (0.046 R)
• M12: 13,117,340 km (0.075 R)
• M13: 13,536,214 km (0.075 R)
• M14: 13,892,107 km (0.046 R)
• M15: 14,997,187 km (0.085 R)
• M16: 24,109,642 km (0.1 R)
• M17: 24,527,468 km (0.096 R)
• M18: 27,475,145 km (0.102 R)
• M19: 27,702,534 km (0.069 R)
• M20: 31,018,071 km (0.062 R)
• M21: 32,263,474 km (0.116 R)
• M22: 32,643,602 km (0.066 R)
• M23: 34,062,687 km (0.111 R)
• M24: 36,885,300 km (0.106 R)
• M25: 39,425,771 km (0.105 R)
• M26: 46,121,772 km (0.066 R)
• M27: 50,075,194 km (0.069 R)
• M28: 52,308,092 km (0.087 R)
• M29: 59,974,834 km (0.096 R)
• M30: 62,884,811 km (0.096 R)
• M31: 68,357,401 km (0.097 R)
• M32: 68,774,928 km (0.057 R)
• M33: 69,404,436 km (0.049 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 19,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit