🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.6

Radius: 9.2

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.63 AU - 0.81 AU

Year: 429 Days

Day: 9.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,952,462 km

• M1: 116,238 km (0.086 R)
• M2: 731,683 km (0.087 R)
• M3: 1,277,865 km (0.087 R)
• M4: 1,575,415 km (0.085 R)
• M5: 2,189,963 km (0.105 R)
• M6: 2,994,052 km (0.084 R)
• M7: 3,485,331 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.4

Radius: 11.2

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.04 AU - 1.6 AU

Year: 1066 Days

Day: 8.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 35,952,462 km

• M1: 139,276 km (0.072 R)
• M2: 504,594 km (0.106 R)
• M3: 1,432,998 km (0.099 R)
• M4: 2,561,116 km (0.118 R)
• M5: 2,998,091 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851

Radius: 12.5

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.63 AU - 1.87 AU

Year: 1627 Days

Day: 11 Hours

Environment

Temp: -202 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,952,462 km

• M1: 155,432 km (0.053 R)
• M2: 574,157 km (0.118 R)
• M3: 1,002,904 km (0.079 R)
• M4: 1,836,763 km (0.089 R)
• M5: 2,317,869 km (0.103 R)
• M6: 3,045,813 km (0.098 R)
• M7: 3,439,405 km (0.095 R)
• M8: 3,831,650 km (0.041 R)
• M9: 4,626,464 km (0.115 R)
• M10: 5,642,981 km (0.096 R)
• M11: 6,167,621 km (0.074 R)
• M12: 6,935,208 km (0.068 R)
• M13: 8,325,271 km (0.071 R)
• M14: 9,006,540 km (0.084 R)
• M15: 11,802,075 km (0.107 R)
• M16: 12,702,654 km (0.097 R)
• M17: 13,438,975 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.9

Radius: 14.2

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.12 AU - 2.38 AU

Year: 2372 Days

Day: 14.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,952,462 km

• M1: 176,675 km (0.082 R)
• M2: 1,226,403 km (0.084 R)
• M3: 1,919,490 km (0.066 R)
• M4: 2,637,410 km (0.118 R)
• M5: 3,248,817 km (0.116 R)
• M6: 4,046,772 km (0.111 R)
• M7: 4,738,662 km (0.084 R)
• M8: 5,416,490 km (0.117 R)
• M9: 5,911,958 km (0.101 R)
• M10: 6,698,693 km (0.117 R)
• M11: 7,411,677 km (0.102 R)
• M12: 7,904,751 km (0.105 R)
• M13: 12,036,345 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.1

Radius: 9.2

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.56 AU - 2.72 AU

Year: 3015 Days

Day: 13.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,952,462 km

• M1: 114,442 km (0.095 R)
• M2: 465,249 km (0.114 R)
• M3: 1,385,725 km (0.059 R)
• M4: 2,332,829 km (0.12 R)
• M5: 3,234,605 km (0.103 R)
• M6: 3,699,107 km (0.039 R)
• M7: 4,046,473 km (0.059 R)
• M8: 4,564,979 km (0.067 R)
• M9: 5,760,266 km (0.119 R)
• M10: 6,362,846 km (0.104 R)
• M11: 7,181,895 km (0.093 R)
• M12: 8,005,880 km (0.086 R)
• M13: 8,722,902 km (0.046 R)
• M14: 9,660,582 km (0.074 R)
• M15: 11,013,545 km (0.084 R)
• M16: 11,572,293 km (0.078 R)
• M17: 12,108,003 km (0.053 R)
• M18: 12,617,084 km (0.074 R)
• M19: 13,723,660 km (0.106 R)
• M20: 14,845,494 km (0.085 R)
• M21: 16,332,348 km (0.102 R)
• M22: 17,430,695 km (0.099 R)
• M23: 18,633,312 km (0.056 R)
• M24: 18,970,656 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.3

Radius: 13.4

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.73 AU - 4.07 AU

Year: 4407 Days

Day: 9.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,952,462 km

• M1: 166,652 km (0.102 R)
• M2: 602,131 km (0.102 R)
• M3: 1,132,157 km (0.071 R)
• M4: 1,567,337 km (0.091 R)
• M5: 2,417,053 km (0.106 R)
• M6: 3,123,903 km (0.047 R)
• M7: 3,746,529 km (0.1 R)
• M8: 7,166,336 km (0.077 R)
• M9: 7,633,531 km (0.068 R)
• M10: 9,340,143 km (0.106 R)
• M11: 9,974,737 km (0.106 R)
• M12: 11,082,659 km (0.049 R)
• M13: 11,624,203 km (0.116 R)
• M14: 12,359,028 km (0.115 R)
• M15: 15,304,161 km (0.074 R)
• M16: 15,819,676 km (0.114 R)
• M17: 17,269,429 km (0.074 R)
• M18: 18,284,001 km (0.107 R)
• M19: 19,100,357 km (0.096 R)
• M20: 20,618,476 km (0.094 R)
• M21: 21,120,826 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.7

Radius: 3

Gravity: 14.63 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.27 AU - 8.99 AU

Year: 14815 Days

Day: 15.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,952,462 km

• M1: 37,549 km (0.117 R)
• M2: 151,393 km (0.082 R)
• M3: 268,379 km (0.094 R)
• M4: 713,283 km (0.079 R)
• M5: 808,876 km (0.071 R)
• M6: 1,056,311 km (0.103 R)
• M7: 1,203,216 km (0.119 R)
• M8: 1,901,090 km (0.068 R)
• M9: 2,318,617 km (0.112 R)
• M10: 2,660,299 km (0.08 R)
• M11: 3,533,203 km (0.095 R)
• M12: 4,034,056 km (0.073 R)
• M13: 4,914,440 km (0.076 R)
• M14: 6,936,554 km (0.098 R)
• M15: 7,564,566 km (0.05 R)
• M16: 10,790,943 km (0.059 R)
• M17: 12,146,300 km (0.077 R)
• M18: 12,409,143 km (0.038 R)
• M19: 12,837,442 km (0.085 R)
• M20: 14,591,028 km (0.1 R)
• M21: 17,947,406 km (0.077 R)
• M22: 19,053,533 km (0.055 R)
• M23: 21,861,036 km (0.06 R)
• M24: 25,271,120 km (0.119 R)
• M25: 31,220,627 km (0.038 R)
• M26: 32,211,563 km (0.054 R)
• M27: 33,530,867 km (0.115 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: 375 - 18,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit