🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.8

Radius: 12.6

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.67 AU - 0.81 AU

Year: 447 Days

Day: 14 Hours

Environment

Temp: -157 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,242,291 km

• M1: 156,779 km (0.119 R)
• M2: 698,323 km (0.098 R)
• M3: 1,440,478 km (0.072 R)
• M4: 2,135,809 km (0.077 R)
• M5: 2,753,498 km (0.045 R)
• M6: 3,370,590 km (0.089 R)
• M7: 3,768,819 km (0.113 R)
• M8: 4,418,972 km (0.119 R)
• M9: 5,004,049 km (0.064 R)
• M10: 5,657,043 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.3

Radius: 11.8

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.9 AU - 1.08 AU

Year: 692 Days

Day: 13.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,242,291 km

• M1: 153,637 km (0.097 R)
• M2: 580,141 km (0.084 R)
• M3: 961,166 km (0.066 R)
• M4: 1,392,008 km (0.108 R)
• M5: 2,359,308 km (0.105 R)
• M6: 3,040,427 km (0.106 R)
• M7: 3,579,727 km (0.083 R)
• M8: 4,220,306 km (0.117 R)
• M9: 4,753,472 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.7

Radius: 11.5

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1 AU - 1.24 AU

Year: 833 Days

Day: 10.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 119.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,242,291 km

• M1: 143,016 km (0.104 R)
• M2: 651,948 km (0.097 R)
• M3: 1,079,498 km (0.054 R)
• M4: 1,581,100 km (0.045 R)
• M5: 2,384,590 km (0.059 R)
• M6: 2,923,292 km (0.1 R)
• M7: 4,295,553 km (0.119 R)
• M8: 4,843,231 km (0.075 R)
• M9: 5,341,093 km (0.045 R)
• M10: 5,832,522 km (0.108 R)
• M11: 6,204,721 km (0.075 R)
• M12: 6,951,514 km (0.106 R)
• M13: 7,905,799 km (0.118 R)
• M14: 8,810,716 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.8

Radius: 10.1

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.55 AU - 1.71 AU

Year: 1463 Days

Day: 13.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,242,291 km

• M1: 125,662 km (0.104 R)
• M2: 513,420 km (0.026 R)
• M3: 885,919 km (0.083 R)
• M4: 1,219,372 km (0.115 R)
• M5: 1,556,117 km (0.115 R)
• M6: 1,893,161 km (0.116 R)
• M7: 2,600,161 km (0.028 R)
• M8: 3,051,198 km (0.068 R)
• M9: 3,602,167 km (0.066 R)
• M10: 5,251,932 km (0.082 R)
• M11: 7,043,217 km (0.064 R)
• M12: 7,840,574 km (0.12 R)
• M13: 8,726,642 km (0.086 R)
• M14: 9,551,525 km (0.093 R)
• M15: 10,697,295 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.1

Radius: 9

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.94 AU - 3.18 AU

Year: 2879 Days

Day: 12.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,242,291 km

• M1: 112,049 km (0.073 R)
• M2: 443,258 km (0.053 R)
• M3: 843,283 km (0.092 R)
• M4: 1,570,478 km (0.075 R)
• M5: 4,117,681 km (0.114 R)
• M6: 5,139,435 km (0.093 R)
• M7: 6,795,782 km (0.087 R)
• M8: 7,213,460 km (0.074 R)
• M9: 8,128,999 km (0.072 R)
• M10: 8,842,132 km (0.077 R)
• M11: 10,324,647 km (0.114 R)
• M12: 10,737,238 km (0.112 R)
• M13: 11,891,535 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.3

Radius: 14.9

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.43 AU - 3.89 AU

Year: 4922 Days

Day: 8.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,242,291 km

• M1: 185,352 km (0.118 R)
• M2: 650,152 km (0.062 R)
• M3: 1,666,221 km (0.078 R)
• M4: 2,369,929 km (0.066 R)
• M5: 4,086,415 km (0.107 R)
• M6: 5,111,161 km (0.113 R)
• M7: 5,920,785 km (0.112 R)
• M8: 8,122,416 km (0.099 R)
• M9: 8,593,799 km (0.057 R)
• M10: 9,190,844 km (0.06 R)
• M11: 10,745,615 km (0.095 R)
• M12: 13,421,323 km (0.083 R)
• M13: 14,567,541 km (0.1 R)
• M14: 16,249,022 km (0.067 R)
• M15: 16,891,395 km (0.118 R)
• M16: 17,830,570 km (0.091 R)
• M17: 20,238,946 km (0.039 R)
• M18: 20,733,068 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.5

Radius: 7.5

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.99 AU - 7.21 AU

Year: 11919 Days

Day: 21.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,242,291 km

• M1: 215,271 km (0.089 R)
• M2: 693,237 km (0.057 R)
• M3: 2,061,459 km (0.116 R)
• M4: 4,994,624 km (0.057 R)
• M5: 8,999,509 km (0.069 R)
• M6: 9,466,852 km (0.1 R)
• M7: 11,186,330 km (0.09 R)
• M8: 11,726,678 km (0.102 R)
• M9: 18,494,037 km (0.106 R)
• M10: 22,265,249 km (0.102 R)
• M11: 23,409,374 km (0.092 R)
• M12: 24,517,146 km (0.106 R)
• M13: 24,894,133 km (0.072 R)
• M14: 26,204,461 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.4

Radius: 7.2

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.25 AU - 7.07 AU

Year: 12081 Days

Day: 18.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,242,291 km

• M1: 89,609 km (0.105 R)
• M2: 453,581 km (0.093 R)
• M3: 696,677 km (0.065 R)
• M4: 1,008,888 km (0.091 R)
• M5: 1,425,967 km (0.088 R)
• M6: 1,675,197 km (0.117 R)
• M7: 2,036,177 km (0.039 R)
• M8: 2,604,200 km (0.096 R)
• M9: 3,001,532 km (0.111 R)
• M10: 5,134,199 km (0.086 R)
• M11: 5,691,900 km (0.114 R)
• M12: 6,398,750 km (0.04 R)
• M13: 7,005,219 km (0.115 R)
• M14: 8,553,857 km (0.069 R)
• M15: 10,677,249 km (0.119 R)
• M16: 11,475,054 km (0.099 R)
• M17: 12,892,045 km (0.11 R)
• M18: 24,365,155 km (0.105 R)
• M19: 24,910,738 km (0.063 R)
• M20: 28,858,476 km (0.081 R)
• M21: 30,927,415 km (0.108 R)
• M22: 40,700,793 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.3

Radius: 3.9

Gravity: 60.11 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.94 AU - 10.88 AU

Year: 20291 Days

Day: 19.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 91.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 46,242,291 km

• M1: 48,470 km (0.107 R)
• M2: 270,623 km (0.089 R)
• M3: 734,974 km (0.113 R)
• M4: 1,104,182 km (0.069 R)
• M5: 1,483,412 km (0.084 R)
• M6: 1,825,842 km (0.085 R)
• M7: 2,088,985 km (0.064 R)
• M8: 2,331,034 km (0.098 R)
• M9: 3,114,179 km (0.061 R)
• M10: 6,134,410 km (0.113 R)
• M11: 6,911,422 km (0.038 R)
• M12: 8,658,426 km (0.066 R)
• M13: 15,458,247 km (0.118 R)
• M14: 15,621,907 km (0.097 R)
• M15: 16,799,841 km (0.058 R)
• M16: 19,236,790 km (0.087 R)
• M17: 21,287,478 km (0.051 R)
• M18: 24,022,576 km (0.082 R)
• M19: 26,279,260 km (0.109 R)
• M20: 28,305,413 km (0.061 R)
• M21: 28,550,305 km (0.094 R)
• M22: 32,530,955 km (0.096 R)
• M23: 50,153,733 km (0.047 R)
• M24: 52,701,086 km (0.108 R)
• M25: 53,257,889 km (0.083 R)
• M26: 56,681,586 km (0.08 R)
• M27: 58,844,322 km (0.071 R)
• M28: 65,876,320 km (0.111 R)
• M29: 69,593,229 km (0.093 R)
• M30: 70,263,427 km (0.115 R)
• M31: 84,585,329 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.9

Radius: 7.9

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 7.97 AU - 11.85 AU

Year: 21929 Days

Day: 17.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 46,242,291 km

• M1: 98,286 km (0.083 R)
• M2: 478,564 km (0.097 R)
• M3: 728,242 km (0.119 R)
• M4: 1,513,182 km (0.111 R)
• M5: 1,864,289 km (0.029 R)
• M6: 3,095,928 km (0.079 R)
• M7: 3,716,011 km (0.076 R)
• M8: 4,531,320 km (0.096 R)
• M9: 4,919,676 km (0.1 R)
• M10: 5,362,485 km (0.111 R)
• M11: 6,364,492 km (0.107 R)
• M12: 9,008,634 km (0.111 R)
• M13: 10,779,424 km (0.039 R)
• M14: 13,485,500 km (0.104 R)
• M15: 13,914,547 km (0.086 R)
• M16: 14,416,298 km (0.119 R)
• M17: 15,588,846 km (0.102 R)
• M18: 16,683,603 km (0.106 R)
• M19: 17,465,402 km (0.091 R)
• M20: 19,409,875 km (0.052 R)
• M21: 19,721,487 km (0.065 R)
• M22: 22,334,663 km (0.113 R)
• M23: 22,849,130 km (0.119 R)
• M24: 23,196,347 km (0.111 R)
• M25: 25,354,894 km (0.079 R)
• M26: 26,197,729 km (0.078 R)
• M27: 26,674,048 km (0.103 R)
• M28: 34,756,522 km (0.073 R)
• M29: 36,264,917 km (0.11 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: 513 - 19,079 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit