🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49

Radius: 13.7

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.52 AU - 0.7 AU

Year: 329 Days

Day: 14.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 86,177,304 km

• M1: 170,392 km (0.094 R)
• M2: 616,493 km (0.1 R)
• M3: 1,089,820 km (0.05 R)
• M4: 1,868,328 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.3

Radius: 11.7

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.63 AU - 1.05 AU

Year: 531 Days

Day: 14.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 86,177,304 km

• M1: 158,125 km (0.096 R)
• M2: 551,418 km (0.118 R)
• M3: 992,432 km (0.117 R)
• M4: 1,413,251 km (0.062 R)
• M5: 1,928,915 km (0.104 R)
• M6: 2,304,106 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.1

Radius: 8.9

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.81 AU - 0.93 AU

Year: 560 Days

Day: 13.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,177,304 km

• M1: 110,702 km (0.118 R)
• M2: 724,652 km (0.093 R)
• M3: 1,161,478 km (0.116 R)
• M4: 1,524,851 km (0.104 R)
• M5: 1,915,302 km (0.099 R)
• M6: 2,591,634 km (0.118 R)
• M7: 2,909,978 km (0.109 R)
• M8: 3,254,502 km (0.034 R)
• M9: 3,650,936 km (0.087 R)
• M10: 4,454,875 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.3

Radius: 14

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.72 AU - 2.82 AU

Year: 2361 Days

Day: 12.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,177,304 km

• M1: 176,226 km (0.084 R)
• M2: 684,410 km (0.087 R)
• M3: 1,237,025 km (0.054 R)
• M4: 1,861,895 km (0.086 R)
• M5: 2,323,405 km (0.111 R)
• M6: 3,103,857 km (0.086 R)
• M7: 4,073,550 km (0.06 R)
• M8: 5,048,031 km (0.082 R)
• M9: 6,253,191 km (0.106 R)
• M10: 6,723,527 km (0.058 R)
• M11: 8,019,792 km (0.11 R)
• M12: 9,657,141 km (0.115 R)
• M13: 11,921,305 km (0.111 R)
• M14: 14,424,526 km (0.114 R)
• M15: 15,052,388 km (0.084 R)
• M16: 15,698,501 km (0.087 R)
• M17: 16,886,907 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.5

Radius: 13

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.72 AU - 5.16 AU

Year: 6458 Days

Day: 7 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,177,304 km

• M1: 163,510 km (0.097 R)
• M2: 835,055 km (0.07 R)
• M3: 1,246,001 km (0.103 R)
• M4: 1,818,961 km (0.099 R)
• M5: 2,565,005 km (0.097 R)
• M6: 3,202,142 km (0.113 R)
• M7: 7,525,222 km (0.103 R)
• M8: 8,770,923 km (0.117 R)
• M9: 10,702,232 km (0.078 R)
• M10: 12,817,994 km (0.111 R)
• M11: 13,773,326 km (0.09 R)
• M12: 14,268,495 km (0.111 R)
• M13: 14,915,955 km (0.113 R)
• M14: 15,486,372 km (0.088 R)
• M15: 16,772,464 km (0.096 R)
• M16: 17,389,556 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.8

Radius: 13.5

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.28 AU - 4.7 AU

Year: 6567 Days

Day: 7.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,177,304 km

• M1: 169,046 km (0.099 R)
• M2: 814,411 km (0.12 R)
• M3: 1,655,300 km (0.117 R)
• M4: 2,281,517 km (0.116 R)
• M5: 3,048,805 km (0.087 R)
• M6: 5,958,932 km (0.101 R)
• M7: 6,696,449 km (0.028 R)
• M8: 7,862,415 km (0.1 R)
• M9: 8,409,794 km (0.07 R)
• M10: 12,139,418 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388

Radius: 3.5

Gravity: 31.67 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 9.4 AU - 10 AU

Year: 20853 Days

Day: 22.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,177,304 km

• M1: 45,179 km (0.079 R)
• M2: 176,077 km (0.11 R)
• M3: 402,269 km (0.085 R)
• M4: 741,706 km (0.055 R)
• M5: 872,455 km (0.12 R)
• M6: 994,826 km (0.084 R)
• M7: 1,330,972 km (0.086 R)
• M8: 1,525,300 km (0.091 R)
• M9: 1,915,302 km (0.066 R)
• M10: 2,203,277 km (0.113 R)
• M11: 3,565,216 km (0.052 R)
• M12: 4,340,881 km (0.096 R)
• M13: 6,340,107 km (0.092 R)
• M14: 8,129,747 km (0.059 R)
• M15: 12,470,329 km (0.092 R)
• M16: 18,472,943 km (0.057 R)
• M17: 19,326,100 km (0.095 R)
• M18: 22,042,349 km (0.027 R)
• M19: 27,663,189 km (0.098 R)
• M20: 41,911,489 km (0.061 R)
• M21: 45,494,059 km (0.065 R)
• M22: 45,647,696 km (0.115 R)
• M23: 52,245,112 km (0.12 R)
• M24: 57,455,755 km (0.102 R)
• M25: 58,901,469 km (0.036 R)
• M26: 63,192,983 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.5

Radius: 3.6

Gravity: 64.47 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.91 AU - 12.09 AU

Year: 21828 Days

Day: 21.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 86,177,304 km

• M1: 49,517 km (0.073 R)
• M2: 397,631 km (0.107 R)
• M3: 617,091 km (0.056 R)
• M4: 819,796 km (0.116 R)
• M5: 1,038,957 km (0.104 R)
• M6: 1,342,790 km (0.111 R)
• M7: 1,472,941 km (0.093 R)
• M8: 2,189,215 km (0.082 R)
• M9: 2,512,646 km (0.113 R)
• M10: 3,460,049 km (0.094 R)
• M11: 3,581,672 km (0.086 R)
• M12: 4,808,375 km (0.061 R)
• M13: 7,232,758 km (0.079 R)
• M14: 9,101,983 km (0.077 R)
• M15: 11,071,738 km (0.083 R)
• M16: 12,366,508 km (0.098 R)
• M17: 17,466,150 km (0.101 R)
• M18: 18,005,749 km (0.027 R)
• M19: 19,885,147 km (0.118 R)
• M20: 20,672,032 km (0.118 R)
• M21: 21,174,382 km (0.094 R)
• M22: 21,377,536 km (0.052 R)
• M23: 24,695,168 km (0.107 R)
• M24: 25,489,084 km (0.101 R)
• M25: 27,729,461 km (0.1 R)
• M26: 28,834,990 km (0.112 R)
• M27: 31,133,860 km (0.086 R)
• M28: 32,327,651 km (0.114 R)
• M29: 35,089,377 km (0.108 R)
• M30: 40,293,588 km (0.119 R)
• M31: 40,762,129 km (0.049 R)
• M32: 42,511,526 km (0.12 R)
• M33: 45,480,894 km (0.088 R)
• M34: 47,709,454 km (0.049 R)
• M35: 49,830,153 km (0.103 R)
• M36: 56,372,966 km (0.034 R)
• M37: 59,343,979 km (0.12 R)
• M38: 65,811,394 km (0.112 R)
• M39: 68,214,684 km (0.1 R)
• M40: 71,813,710 km (0.188 R)
• M41: 72,502,309 km (0.075 R)
• M42: 74,126,044 km (0.114 R)
• M43: 84,636,192 km (0.113 R)
• M44: 85,147,817 km (0.151 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 15,883 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit