🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.7

Radius: 9.8

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.48 AU - 0.58 AU

Year: 266 Days

Day: 9.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,257,203 km

• M1: 121,922 km (0.113 R)
• M2: 644,318 km (0.112 R)
• M3: 1,039,256 km (0.11 R)
• M4: 1,346,830 km (0.042 R)
• M5: 1,984,865 km (0.091 R)
• M6: 2,325,499 km (0.078 R)
• M7: 2,880,806 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.4

Radius: 12.2

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.6 AU - 0.98 AU

Year: 485 Days

Day: 11.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,257,203 km

• M1: 151,692 km (0.046 R)
• M2: 567,874 km (0.037 R)
• M3: 984,803 km (0.073 R)
• M4: 1,655,450 km (0.091 R)
• M5: 2,197,742 km (0.075 R)
• M6: 2,968,620 km (0.086 R)
• M7: 3,788,865 km (0.117 R)
• M8: 4,740,308 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.3

Radius: 11.8

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.82 AU - 1.26 AU

Year: 732 Days

Day: 14.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,257,203 km

• M1: 146,756 km (0.076 R)
• M2: 567,126 km (0.097 R)
• M3: 945,159 km (0.111 R)
• M4: 1,362,986 km (0.1 R)
• M5: 2,117,558 km (0.117 R)
• M6: 2,665,086 km (0.102 R)
• M7: 3,206,331 km (0.03 R)
• M8: 3,710,177 km (0.111 R)
• M9: 4,133,539 km (0.082 R)
• M10: 4,878,237 km (0.088 R)
• M11: 5,895,203 km (0.097 R)
• M12: 6,474,147 km (0.109 R)
• M13: 7,027,360 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.8

Radius: 11.3

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.34 AU - 1.54 AU

Year: 1193 Days

Day: 13.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,257,203 km

• M1: 140,472 km (0.108 R)
• M2: 533,316 km (0.107 R)
• M3: 974,481 km (0.091 R)
• M4: 1,349,223 km (0.105 R)
• M5: 1,736,233 km (0.105 R)
• M6: 2,613,026 km (0.086 R)
• M7: 3,796,046 km (0.061 R)
• M8: 4,416,578 km (0.115 R)
• M9: 6,642,594 km (0.12 R)
• M10: 7,009,109 km (0.115 R)
• M11: 7,729,872 km (0.112 R)
• M12: 8,527,527 km (0.107 R)
• M13: 9,531,928 km (0.074 R)
• M14: 10,190,457 km (0.109 R)
• M15: 11,355,376 km (0.081 R)
• M16: 12,059,832 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.4

Radius: 14

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.4 AU - 1.6 AU

Year: 1268 Days

Day: 14 Hours

Environment

Temp: -201 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,257,203 km

• M1: 174,132 km (0.089 R)
• M2: 671,844 km (0.093 R)
• M3: 1,187,358 km (0.049 R)
• M4: 1,684,023 km (0.114 R)
• M5: 2,571,737 km (0.118 R)
• M6: 3,073,638 km (0.054 R)
• M7: 3,933,975 km (0.088 R)
• M8: 4,929,998 km (0.05 R)
• M9: 5,908,966 km (0.042 R)
• M10: 6,504,216 km (0.035 R)
• M11: 7,013,896 km (0.118 R)
• M12: 7,576,534 km (0.109 R)
• M13: 8,648,103 km (0.109 R)
• M14: 9,086,425 km (0.096 R)
• M15: 11,964,688 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.7

Radius: 12.6

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.39 AU - 3.13 AU

Year: 3165 Days

Day: 9.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,257,203 km

• M1: 156,779 km (0.105 R)
• M2: 583,731 km (0.114 R)
• M3: 1,052,720 km (0.068 R)
• M4: 1,913,058 km (0.119 R)
• M5: 2,804,062 km (0.115 R)
• M6: 4,364,219 km (0.06 R)
• M7: 5,044,739 km (0.083 R)
• M8: 6,182,880 km (0.075 R)
• M9: 6,980,835 km (0.038 R)
• M10: 8,115,984 km (0.083 R)
• M11: 8,674,433 km (0.077 R)
• M12: 9,483,907 km (0.113 R)
• M13: 10,750,552 km (0.072 R)
• M14: 11,772,455 km (0.102 R)
• M15: 14,559,014 km (0.116 R)
• M16: 16,737,159 km (0.12 R)
• M17: 17,875,001 km (0.074 R)
• M18: 19,246,514 km (0.107 R)
• M19: 19,801,971 km (0.067 R)
• M20: 22,809,337 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.3

Radius: 11.9

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.68 AU - 3.82 AU

Year: 4044 Days

Day: 13.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,257,203 km

• M1: 148,251 km (0.111 R)
• M2: 539,300 km (0.118 R)
• M3: 1,018,462 km (0.043 R)
• M4: 1,419,385 km (0.045 R)
• M5: 1,822,102 km (0.046 R)
• M6: 3,142,752 km (0.105 R)
• M7: 5,047,731 km (0.095 R)
• M8: 6,215,792 km (0.086 R)
• M9: 6,782,319 km (0.073 R)
• M10: 7,661,356 km (0.118 R)
• M11: 8,923,513 km (0.108 R)
• M12: 9,319,947 km (0.095 R)
• M13: 13,335,005 km (0.037 R)
• M14: 15,043,711 km (0.08 R)
• M15: 16,300,184 km (0.114 R)
• M16: 17,135,539 km (0.113 R)
• M17: 22,758,474 km (0.103 R)
• M18: 23,425,531 km (0.041 R)
• M19: 23,953,461 km (0.045 R)
• M20: 24,798,989 km (0.107 R)
• M21: 27,289,045 km (0.108 R)
• M22: 28,723,240 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.2

Radius: 10.2

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.31 AU - 4.31 AU

Year: 6176 Days

Day: 6.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,257,203 km

• M1: 127,009 km (0.118 R)
• M2: 599,139 km (0.117 R)
• M3: 962,662 km (0.086 R)
• M4: 1,325,288 km (0.112 R)
• M5: 1,744,311 km (0.117 R)
• M6: 2,194,900 km (0.044 R)
• M7: 2,837,572 km (0.076 R)
• M8: 3,388,841 km (0.068 R)
• M9: 3,946,841 km (0.099 R)
• M10: 4,565,278 km (0.118 R)
• M11: 4,922,368 km (0.091 R)
• M12: 5,559,206 km (0.064 R)
• M13: 5,911,659 km (0.093 R)
• M14: 7,376,671 km (0.044 R)
• M15: 8,176,571 km (0.057 R)
• M16: 8,705,250 km (0.105 R)
• M17: 9,256,518 km (0.114 R)
• M18: 11,874,481 km (0.099 R)
• M19: 13,256,915 km (0.096 R)
• M20: 14,086,435 km (0.116 R)
• M21: 14,743,917 km (0.082 R)
• M22: 16,229,275 km (0.042 R)
• M23: 17,987,648 km (0.104 R)
• M24: 19,557,378 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.7

Radius: 7.4

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.69 AU - 7.51 AU

Year: 10399 Days

Day: 19.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,257,203 km

• M1: 92,152 km (0.102 R)
• M2: 338,540 km (0.116 R)
• M3: 959,820 km (0.114 R)
• M4: 1,615,208 km (0.077 R)
• M5: 2,258,629 km (0.119 R)
• M6: 2,648,481 km (0.03 R)
• M7: 2,939,449 km (0.118 R)
• M8: 3,187,482 km (0.109 R)
• M9: 4,402,665 km (0.099 R)
• M10: 5,398,239 km (0.039 R)
• M11: 7,517,891 km (0.088 R)
• M12: 8,552,660 km (0.086 R)
• M13: 13,650,207 km (0.102 R)
• M14: 14,880,201 km (0.098 R)
• M15: 15,802,921 km (0.116 R)
• M16: 16,310,357 km (0.11 R)
• M17: 16,763,339 km (0.079 R)
• M18: 23,684,634 km (0.054 R)
• M19: 24,265,523 km (0.091 R)
• M20: 26,952,300 km (0.045 R)
• M21: 27,951,465 km (0.057 R)
• M22: 31,893,817 km (0.047 R)
• M23: 32,196,155 km (0.119 R)
• M24: 32,602,014 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.7

Radius: 7.1

Gravity: 13.86 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.08 AU - 6.3 AU

Year: 10630 Days

Day: 17.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,257,203 km

• M1: 88,412 km (0.046 R)
• M2: 471,832 km (0.04 R)
• M3: 773,271 km (0.107 R)
• M4: 1,075,758 km (0.117 R)
• M5: 1,376,300 km (0.117 R)
• M6: 1,656,348 km (0.11 R)
• M7: 2,429,021 km (0.077 R)
• M8: 2,650,126 km (0.106 R)
• M9: 2,906,836 km (0.065 R)
• M10: 4,479,559 km (0.042 R)
• M11: 5,533,176 km (0.082 R)
• M12: 5,776,423 km (0.042 R)
• M13: 6,782,468 km (0.071 R)
• M14: 7,900,712 km (0.075 R)
• M15: 8,254,362 km (0.042 R)
• M16: 8,526,480 km (0.075 R)
• M17: 10,235,486 km (0.119 R)
• M18: 14,577,265 km (0.069 R)
• M19: 15,244,921 km (0.109 R)
• M20: 17,002,995 km (0.096 R)
• M21: 20,090,096 km (0.03 R)
• M22: 20,832,850 km (0.058 R)
• M23: 21,084,473 km (0.104 R)
• M24: 25,201,108 km (0.117 R)
• M25: 26,161,975 km (0.095 R)
• M26: 30,143,373 km (0.062 R)
• M27: 32,897,320 km (0.054 R)
• M28: 38,394,892 km (0.083 R)
• M29: 43,647,423 km (0.076 R)
• M30: 44,197,644 km (0.096 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 19,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit