🌌 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: 360.9

Radius: 13.5

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.18 AU - 1.4 AU

Year: 946 Days

Day: 5.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,083,186 km

• M1: 167,998 km (0.113 R)
• M2: 606,619 km (0.057 R)
• M3: 1,175,390 km (0.119 R)
• M4: 1,776,026 km (0.105 R)
• M5: 2,309,193 km (0.099 R)
• M6: 2,775,788 km (0.078 R)
• M7: 3,318,230 km (0.082 R)
• M8: 3,989,326 km (0.106 R)
• M9: 4,832,310 km (0.115 R)
• M10: 6,498,083 km (0.11 R)
• M11: 6,936,554 km (0.032 R)
• M12: 8,014,108 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590

Radius: 13.7

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.88 AU - 1.96 AU

Year: 1718 Days

Day: 12.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,083,186 km

• M1: 170,990 km (0.118 R)
• M2: 618,138 km (0.113 R)
• M3: 1,165,517 km (0.101 R)
• M4: 1,653,056 km (0.106 R)
• M5: 2,844,903 km (0.032 R)
• M6: 3,585,711 km (0.077 R)
• M7: 4,844,129 km (0.08 R)
• M8: 5,366,973 km (0.027 R)
• M9: 6,209,957 km (0.093 R)
• M10: 6,777,382 km (0.072 R)
• M11: 7,406,142 km (0.058 R)
• M12: 8,780,946 km (0.115 R)
• M13: 10,905,984 km (0.061 R)
• M14: 11,660,556 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.3

Radius: 14.3

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.02 AU - 3.06 AU

Year: 2614 Days

Day: 10 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,083,186 km

• M1: 178,470 km (0.051 R)
• M2: 669,600 km (0.108 R)
• M3: 1,496,876 km (0.08 R)
• M4: 3,167,436 km (0.051 R)
• M5: 3,644,803 km (0.118 R)
• M6: 4,390,997 km (0.078 R)
• M7: 5,032,622 km (0.111 R)
• M8: 5,518,516 km (0.045 R)
• M9: 6,189,462 km (0.118 R)
• M10: 7,635,625 km (0.113 R)
• M11: 8,343,073 km (0.085 R)
• M12: 9,434,091 km (0.051 R)
• M13: 10,618,158 km (0.099 R)
• M14: 11,188,126 km (0.077 R)
• M15: 12,389,696 km (0.092 R)
• M16: 14,907,577 km (0.115 R)
• M17: 15,382,251 km (0.109 R)
• M18: 16,411,784 km (0.079 R)
• M19: 17,644,321 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.4

Radius: 14.1

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.45 AU - 4.03 AU

Year: 4670 Days

Day: 12 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,083,186 km

• M1: 175,927 km (0.1 R)
• M2: 1,935,348 km (0.117 R)
• M3: 2,452,807 km (0.118 R)
• M4: 3,260,934 km (0.104 R)
• M5: 4,144,160 km (0.114 R)
• M6: 5,294,269 km (0.066 R)
• M7: 8,030,264 km (0.058 R)
• M8: 9,554,517 km (0.045 R)
• M9: 11,942,847 km (0.062 R)
• M10: 14,088,679 km (0.096 R)
• M11: 15,049,845 km (0.054 R)
• M12: 15,517,039 km (0.116 R)
• M13: 20,310,903 km (0.107 R)
• M14: 23,352,377 km (0.036 R)
• M15: 25,762,100 km (0.059 R)
• M16: 26,431,700 km (0.076 R)
• M17: 27,371,324 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.3

Radius: 10.6

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.95 AU - 6.83 AU

Year: 9230 Days

Day: 6 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,083,186 km

• M1: 131,796 km (0.087 R)
• M2: 567,126 km (0.11 R)
• M3: 1,093,560 km (0.054 R)
• M4: 1,565,392 km (0.041 R)
• M5: 1,931,159 km (0.066 R)
• M6: 2,712,060 km (0.096 R)
• M7: 3,639,866 km (0.068 R)
• M8: 4,705,601 km (0.067 R)
• M9: 6,372,271 km (0.103 R)
• M10: 8,221,450 km (0.042 R)
• M11: 9,148,658 km (0.079 R)
• M12: 9,489,292 km (0.043 R)
• M13: 10,509,250 km (0.066 R)
• M14: 10,937,100 km (0.05 R)
• M15: 12,349,753 km (0.041 R)
• M16: 13,315,407 km (0.109 R)
• M17: 16,515,156 km (0.116 R)
• M18: 17,021,096 km (0.114 R)
• M19: 25,520,050 km (0.115 R)
• M20: 27,686,676 km (0.105 R)
• M21: 31,713,103 km (0.089 R)
• M22: 33,290,014 km (0.082 R)
• M23: 35,512,889 km (0.107 R)
• M24: 39,093,664 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336

Radius: 4.7

Gravity: 15.21 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.08 AU - 10.26 AU

Year: 17930 Days

Day: 15.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,083,186 km

• M1: 58,493 km (0.118 R)
• M2: 217,964 km (0.102 R)
• M3: 411,394 km (0.09 R)
• M4: 1,038,060 km (0.054 R)
• M5: 1,783,805 km (0.099 R)
• M6: 2,116,361 km (0.109 R)
• M7: 2,572,934 km (0.06 R)
• M8: 3,263,777 km (0.116 R)
• M9: 4,041,835 km (0.072 R)
• M10: 4,246,784 km (0.108 R)
• M11: 4,582,931 km (0.113 R)
• M12: 6,299,417 km (0.088 R)
• M13: 8,123,164 km (0.116 R)
• M14: 11,916,966 km (0.101 R)
• M15: 14,668,370 km (0.094 R)
• M16: 15,576,878 km (0.107 R)
• M17: 18,848,733 km (0.057 R)
• M18: 22,368,921 km (0.088 R)
• M19: 40,822,865 km (0.1 R)
• M20: 51,555,765 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.7

Radius: 4.3

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 9.3 AU - 12.2 AU

Year: 22758 Days

Day: 18.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,083,186 km

• M1: 53,556 km (0.052 R)
• M2: 222,452 km (0.075 R)
• M3: 477,816 km (0.073 R)
• M4: 648,357 km (0.119 R)
• M5: 1,079,049 km (0.083 R)
• M6: 1,615,657 km (0.112 R)
• M7: 2,233,197 km (0.096 R)
• M8: 2,456,397 km (0.095 R)
• M9: 3,343,961 km (0.031 R)
• M10: 4,181,709 km (0.1 R)
• M11: 4,878,985 km (0.03 R)
• M12: 6,871,479 km (0.107 R)
• M13: 8,595,295 km (0.061 R)
• M14: 8,742,500 km (0.093 R)
• M15: 9,452,192 km (0.085 R)
• M16: 10,090,376 km (0.05 R)
• M17: 10,643,739 km (0.087 R)
• M18: 13,386,317 km (0.107 R)
• M19: 13,986,204 km (0.101 R)
• M20: 17,807,383 km (0.11 R)
• M21: 18,778,572 km (0.092 R)
• M22: 21,721,012 km (0.119 R)
• M23: 24,757,999 km (0.107 R)
• M24: 25,056,447 km (0.093 R)
• M25: 25,966,151 km (0.083 R)
• M26: 28,499,292 km (0.06 R)
• M27: 29,825,627 km (0.103 R)
• M28: 36,819,327 km (0.105 R)
• M29: 37,730,827 km (0.1 R)
• M30: 45,273,851 km (0.107 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 18,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit