🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850

Radius: 11.5

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.54 AU - 0.62 AU

Year: 310 Days

Day: 7.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,121,081 km

• M1: 143,165 km (0.038 R)
• M2: 520,002 km (0.104 R)
• M3: 956,828 km (0.108 R)
• M4: 1,391,410 km (0.105 R)
• M5: 1,781,711 km (0.108 R)
• M6: 2,254,440 km (0.12 R)
• M7: 2,656,110 km (0.119 R)
• M8: 3,053,293 km (0.1 R)
• M9: 4,263,689 km (0.038 R)
• M10: 4,656,533 km (0.028 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.2

Radius: 9

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.67 AU - 1.07 AU

Year: 570 Days

Day: 13 Hours

Environment

Temp: -170 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,121,081 km

• M1: 111,899 km (0.099 R)
• M2: 489,035 km (0.089 R)
• M3: 1,190,949 km (0.11 R)
• M4: 1,703,022 km (0.085 R)
• M5: 2,131,022 km (0.117 R)
• M6: 2,448,169 km (0.089 R)
• M7: 2,740,334 km (0.107 R)
• M8: 3,343,812 km (0.117 R)
• M9: 3,636,275 km (0.108 R)
• M10: 4,062,779 km (0.092 R)
• M11: 4,914,589 km (0.078 R)
• M12: 5,582,245 km (0.093 R)
• M13: 6,014,882 km (0.056 R)
• M14: 6,695,402 km (0.093 R)
• M15: 7,315,485 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.3

Radius: 9.7

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.25 AU - 1.75 AU

Year: 1291 Days

Day: 5.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,121,081 km

• M1: 121,324 km (0.094 R)
• M2: 528,529 km (0.11 R)
• M3: 908,807 km (0.072 R)
• M4: 1,262,008 km (0.066 R)
• M5: 1,565,392 km (0.083 R)
• M6: 2,050,837 km (0.056 R)
• M7: 2,487,962 km (0.12 R)
• M8: 3,209,622 km (0.108 R)
• M9: 3,948,187 km (0.118 R)
• M10: 4,252,918 km (0.101 R)
• M11: 4,833,657 km (0.118 R)
• M12: 5,243,106 km (0.08 R)
• M13: 5,846,285 km (0.101 R)
• M14: 7,266,118 km (0.054 R)
• M15: 8,396,629 km (0.032 R)
• M16: 9,429,902 km (0.116 R)
• M17: 10,227,408 km (0.115 R)
• M18: 10,675,154 km (0.035 R)
• M19: 11,036,134 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467

Radius: 11.7

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.57 AU - 2.51 AU

Year: 2048 Days

Day: 6.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,121,081 km

• M1: 145,559 km (0.114 R)
• M2: 521,947 km (0.109 R)
• M3: 923,168 km (0.091 R)
• M4: 2,680,495 km (0.104 R)
• M5: 3,233,408 km (0.076 R)
• M6: 4,374,990 km (0.09 R)
• M7: 4,892,299 km (0.111 R)
• M8: 5,472,589 km (0.075 R)
• M9: 6,170,613 km (0.053 R)
• M10: 7,437,557 km (0.091 R)
• M11: 11,045,708 km (0.04 R)
• M12: 11,932,225 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.2

Radius: 13.6

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.24 AU - 4.38 AU

Year: 6290 Days

Day: 6.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,121,081 km

• M1: 169,195 km (0.12 R)
• M2: 784,192 km (0.106 R)
• M3: 1,717,533 km (0.117 R)
• M4: 2,468,066 km (0.076 R)
• M5: 3,027,562 km (0.099 R)
• M6: 5,407,365 km (0.097 R)
• M7: 6,331,431 km (0.061 R)
• M8: 8,664,260 km (0.113 R)
• M9: 9,482,261 km (0.076 R)
• M10: 9,967,108 km (0.107 R)
• M11: 10,626,236 km (0.106 R)
• M12: 11,231,659 km (0.104 R)
• M13: 11,988,474 km (0.109 R)
• M14: 14,173,949 km (0.117 R)
• M15: 15,310,295 km (0.043 R)
• M16: 15,874,728 km (0.081 R)
• M17: 16,666,998 km (0.107 R)
• M18: 17,154,837 km (0.105 R)
• M19: 17,652,250 km (0.088 R)
• M20: 18,216,084 km (0.035 R)
• M21: 20,469,477 km (0.064 R)
• M22: 21,092,253 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927

Radius: 6

Gravity: 25.75 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.62 AU - 6.92 AU

Year: 9743 Days

Day: 17.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 37,121,081 km

• M1: 74,649 km (0.058 R)
• M2: 388,356 km (0.112 R)
• M3: 776,114 km (0.048 R)
• M4: 978,520 km (0.093 R)
• M5: 1,168,509 km (0.115 R)
• M6: 1,654,852 km (0.079 R)
• M7: 2,065,947 km (0.112 R)
• M8: 2,563,360 km (0.071 R)
• M9: 2,907,135 km (0.101 R)
• M10: 3,634,480 km (0.086 R)
• M11: 4,943,462 km (0.093 R)
• M12: 5,407,813 km (0.101 R)
• M13: 5,901,038 km (0.109 R)
• M14: 7,997,502 km (0.094 R)
• M15: 8,222,049 km (0.097 R)
• M16: 8,450,933 km (0.106 R)
• M17: 9,163,019 km (0.119 R)
• M18: 13,084,578 km (0.094 R)
• M19: 14,166,470 km (0.09 R)
• M20: 14,695,747 km (0.112 R)
• M21: 15,583,610 km (0.061 R)
• M22: 19,494,847 km (0.086 R)
• M23: 20,066,759 km (0.042 R)
• M24: 23,551,492 km (0.086 R)
• M25: 24,200,298 km (0.096 R)
• M26: 27,623,247 km (0.1 R)
• M27: 29,824,879 km (0.025 R)
• M28: 31,244,712 km (0.11 R)
• M29: 31,578,615 km (0.099 R)
• M30: 33,749,280 km (0.056 R)
• M31: 39,542,158 km (0.102 R)
• M32: 42,467,844 km (0.042 R)
• M33: 48,745,868 km (0.058 R)
• M34: 49,195,110 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.3

Radius: 5.1

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.61 AU - 6.85 AU

Year: 10931 Days

Day: 19.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,121,081 km

• M1: 63,429 km (0.075 R)
• M2: 272,418 km (0.059 R)
• M3: 442,062 km (0.044 R)
• M4: 921,224 km (0.077 R)
• M5: 1,821,354 km (0.033 R)
• M6: 2,417,352 km (0.079 R)
• M7: 2,712,060 km (0.086 R)
• M8: 4,265,035 km (0.102 R)
• M9: 4,612,701 km (0.079 R)
• M10: 8,351,301 km (0.098 R)
• M11: 10,863,349 km (0.115 R)
• M12: 12,774,162 km (0.109 R)
• M13: 14,068,782 km (0.081 R)
• M14: 14,361,246 km (0.088 R)
• M15: 18,195,888 km (0.118 R)
• M16: 18,683,428 km (0.105 R)
• M17: 20,050,603 km (0.105 R)
• M18: 21,560,344 km (0.043 R)
• M19: 21,793,119 km (0.09 R)
• M20: 23,798,927 km (0.11 R)
• M21: 24,889,196 km (0.106 R)
• M22: 25,145,457 km (0.07 R)
• M23: 25,317,196 km (0.103 R)
• M24: 27,989,014 km (0.048 R)
• M25: 28,545,069 km (0.066 R)
• M26: 33,261,142 km (0.098 R)
• M27: 35,478,332 km (0.093 R)
• M28: 36,568,003 km (0.101 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 18,799 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit