🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.6

Radius: 11.3

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.69 AU - 1.05 AU

Year: 550 Days

Day: 10.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,766,936 km

• M1: 166,054 km (0.11 R)
• M2: 533,765 km (0.034 R)
• M3: 891,753 km (0.099 R)
• M4: 1,793,379 km (0.117 R)
• M5: 2,389,976 km (0.092 R)
• M6: 2,858,516 km (0.074 R)
• M7: 3,249,565 km (0.093 R)
• M8: 3,649,590 km (0.098 R)
• M9: 4,140,869 km (0.052 R)
• M10: 4,756,016 km (0.042 R)
• M11: 5,273,923 km (0.073 R)
• M12: 5,627,872 km (0.049 R)
• M13: 6,188,714 km (0.113 R)
• M14: 6,807,002 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.4

Radius: 13.8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.73 AU - 1.13 AU

Year: 608 Days

Day: 12.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,766,936 km

• M1: 172,038 km (0.06 R)
• M2: 607,517 km (0.105 R)
• M3: 1,154,148 km (0.093 R)
• M4: 1,908,121 km (0.087 R)
• M5: 2,481,081 km (0.118 R)
• M6: 3,370,590 km (0.039 R)
• M7: 4,019,844 km (0.068 R)
• M8: 4,613,598 km (0.094 R)
• M9: 5,182,669 km (0.075 R)
• M10: 5,996,182 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.9

Radius: 10.6

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.47 AU - 2.03 AU

Year: 1570 Days

Day: 14.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,766,936 km

• M1: 132,544 km (0.058 R)
• M2: 493,673 km (0.076 R)
• M3: 955,631 km (0.086 R)
• M4: 1,341,594 km (0.12 R)
• M5: 2,839,218 km (0.098 R)
• M6: 3,548,611 km (0.055 R)
• M7: 4,163,458 km (0.061 R)
• M8: 5,138,388 km (0.08 R)
• M9: 5,627,124 km (0.065 R)
• M10: 6,441,385 km (0.075 R)
• M11: 7,382,805 km (0.111 R)
• M12: 8,059,735 km (0.11 R)
• M13: 8,692,534 km (0.109 R)
• M14: 9,627,820 km (0.083 R)
• M15: 10,026,348 km (0.102 R)
• M16: 10,661,092 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.5

Radius: 11.2

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.46 AU - 2.42 AU

Year: 1833 Days

Day: 10.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,766,936 km

• M1: 166,353 km (0.117 R)
• M2: 569,369 km (0.07 R)
• M3: 979,268 km (0.089 R)
• M4: 1,562,999 km (0.089 R)
• M5: 2,666,283 km (0.116 R)
• M6: 4,046,174 km (0.09 R)
• M7: 4,975,625 km (0.112 R)
• M8: 5,784,950 km (0.12 R)
• M9: 7,946,938 km (0.063 R)
• M10: 9,114,849 km (0.088 R)
• M11: 13,548,930 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.1

Radius: 13

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.86 AU - 2.78 AU

Year: 2397 Days

Day: 12.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,766,936 km

• M1: 161,715 km (0.114 R)
• M2: 628,610 km (0.054 R)
• M3: 1,431,652 km (0.085 R)
• M4: 2,089,284 km (0.092 R)
• M5: 2,576,075 km (0.105 R)
• M6: 3,239,841 km (0.106 R)
• M7: 3,762,835 km (0.117 R)
• M8: 4,217,463 km (0.048 R)
• M9: 4,664,611 km (0.093 R)
• M10: 5,604,834 km (0.101 R)
• M11: 7,488,570 km (0.078 R)
• M12: 8,019,044 km (0.035 R)
• M13: 8,541,290 km (0.074 R)
• M14: 9,509,937 km (0.1 R)
• M15: 10,245,659 km (0.042 R)
• M16: 11,379,611 km (0.088 R)
• M17: 11,789,509 km (0.054 R)
• M18: 13,528,883 km (0.111 R)
• M19: 14,507,702 km (0.104 R)
• M20: 16,038,238 km (0.108 R)
• M21: 16,816,297 km (0.111 R)
• M22: 17,837,901 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.3

Radius: 12.9

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.2 AU - 3.38 AU

Year: 4047 Days

Day: 14 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,766,936 km

• M1: 160,369 km (0.082 R)
• M2: 637,437 km (0.113 R)
• M3: 1,512,135 km (0.101 R)
• M4: 1,919,789 km (0.118 R)
• M5: 2,832,935 km (0.119 R)
• M6: 3,243,431 km (0.119 R)
• M7: 3,693,871 km (0.098 R)
• M8: 4,294,356 km (0.051 R)
• M9: 5,380,138 km (0.106 R)
• M10: 5,851,970 km (0.075 R)
• M11: 7,031,100 km (0.029 R)
• M12: 7,564,267 km (0.082 R)
• M13: 8,057,042 km (0.047 R)
• M14: 8,747,287 km (0.072 R)
• M15: 9,589,523 km (0.074 R)
• M16: 10,011,090 km (0.065 R)
• M17: 12,352,895 km (0.114 R)
• M18: 13,651,703 km (0.066 R)
• M19: 14,483,318 km (0.098 R)
• M20: 18,798,768 km (0.083 R)
• M21: 20,577,486 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.1

Radius: 12.3

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.82 AU - 4.3 AU

Year: 4556 Days

Day: 9.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,766,936 km

• M1: 153,039 km (0.12 R)
• M2: 544,686 km (0.112 R)
• M3: 941,270 km (0.101 R)
• M4: 2,120,400 km (0.056 R)
• M5: 2,752,601 km (0.116 R)
• M6: 3,405,895 km (0.111 R)
• M7: 3,824,320 km (0.115 R)
• M8: 4,443,954 km (0.043 R)
• M9: 6,062,304 km (0.03 R)
• M10: 8,599,933 km (0.076 R)
• M11: 9,998,523 km (0.096 R)
• M12: 17,433,687 km (0.079 R)
• M13: 18,878,354 km (0.079 R)
• M14: 21,649,056 km (0.116 R)
• M15: 26,176,935 km (0.101 R)
• M16: 27,733,052 km (0.052 R)
• M17: 28,321,570 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 913.9

Radius: 4.4

Gravity: 47.21 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 7.23 AU - 7.53 AU

Year: 13598 Days

Day: 25 Hours

Environment

Temp: -236 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,766,936 km

• M1: 54,753 km (0.086 R)
• M2: 247,884 km (0.068 R)
• M3: 628,760 km (0.046 R)
• M4: 1,205,310 km (0.095 R)
• M5: 2,020,170 km (0.042 R)
• M6: 2,487,663 km (0.096 R)
• M7: 2,689,022 km (0.102 R)
• M8: 3,577,633 km (0.101 R)
• M9: 4,385,462 km (0.101 R)
• M10: 5,990,946 km (0.102 R)
• M11: 6,603,250 km (0.117 R)
• M12: 7,301,274 km (0.08 R)
• M13: 7,575,187 km (0.112 R)
• M14: 12,229,177 km (0.073 R)
• M15: 13,617,445 km (0.031 R)
• M16: 17,419,326 km (0.119 R)
• M17: 17,826,381 km (0.082 R)
• M18: 19,085,248 km (0.089 R)
• M19: 21,778,757 km (0.119 R)
• M20: 26,171,549 km (0.061 R)
• M21: 32,325,257 km (0.066 R)
• M22: 36,391,627 km (0.055 R)
• M23: 46,603,776 km (0.091 R)
• M24: 47,545,195 km (0.061 R)
• M25: 49,465,882 km (0.1 R)
• M26: 59,481,909 km (0.1 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 16,647 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit