🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

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: 455.7

Radius: 14

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.56 AU - 0.6 AU

Year: 295 Days

Day: 13.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 19,719,145 km

• M1: 174,132 km (0.065 R)
• M2: 648,357 km (0.095 R)
• M3: 1,179,430 km (0.101 R)
• M4: 1,733,391 km (0.072 R)
• M5: 2,534,786 km (0.059 R)
• M6: 3,003,177 km (0.047 R)
• M7: 3,733,664 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.1

Radius: 8.9

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.33 AU - 1.61 AU

Year: 1189 Days

Day: 5.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 19,719,145 km

• M1: 110,702 km (0.111 R)
• M2: 457,620 km (0.086 R)
• M3: 2,150,619 km (0.088 R)
• M4: 2,505,316 km (0.086 R)
• M5: 2,911,923 km (0.038 R)
• M6: 3,234,755 km (0.09 R)
• M7: 3,764,331 km (0.1 R)
• M8: 4,248,729 km (0.088 R)
• M9: 4,576,498 km (0.116 R)
• M10: 4,865,820 km (0.038 R)
• M11: 5,421,277 km (0.11 R)
• M12: 5,766,250 km (0.066 R)
• M13: 6,322,006 km (0.101 R)
• M14: 7,270,756 km (0.107 R)
• M15: 7,615,579 km (0.032 R)
• M16: 7,971,323 km (0.076 R)
• M17: 8,338,137 km (0.109 R)
• M18: 8,688,794 km (0.047 R)
• M19: 9,247,392 km (0.093 R)
• M20: 9,681,974 km (0.101 R)
• M21: 10,343,795 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.7

Radius: 11

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.08 AU - 2.7 AU

Year: 2464 Days

Day: 7.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,719,145 km

• M1: 136,732 km (0.117 R)
• M2: 483,650 km (0.06 R)
• M3: 875,746 km (0.109 R)
• M4: 1,251,386 km (0.118 R)
• M5: 2,066,994 km (0.053 R)
• M6: 2,428,123 km (0.084 R)
• M7: 2,844,903 km (0.112 R)
• M8: 3,678,612 km (0.049 R)
• M9: 4,446,198 km (0.104 R)
• M10: 5,014,969 km (0.098 R)
• M11: 5,589,126 km (0.097 R)
• M12: 6,070,682 km (0.04 R)
• M13: 8,307,469 km (0.05 R)
• M14: 9,626,025 km (0.115 R)
• M15: 10,579,561 km (0.083 R)
• M16: 10,944,580 km (0.097 R)
• M17: 11,352,384 km (0.114 R)
• M18: 11,947,484 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.1

Radius: 8.6

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.8 AU - 3.04 AU

Year: 3327 Days

Day: 10.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,719,145 km

• M1: 106,962 km (0.118 R)
• M2: 502,350 km (0.052 R)
• M3: 780,602 km (0.073 R)
• M4: 1,409,661 km (0.076 R)
• M5: 2,003,415 km (0.113 R)
• M6: 3,805,770 km (0.11 R)
• M7: 4,106,013 km (0.088 R)
• M8: 5,523,602 km (0.066 R)
• M9: 8,837,345 km (0.077 R)
• M10: 11,037,480 km (0.067 R)
• M11: 12,661,066 km (0.111 R)
• M12: 14,801,812 km (0.102 R)
• M13: 15,118,510 km (0.046 R)
• M14: 17,581,639 km (0.112 R)
• M15: 23,716,349 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.6

Radius: 12.9

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.14 AU - 5.76 AU

Year: 8484 Days

Day: 14.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 19,719,145 km

• M1: 162,314 km (0.102 R)
• M2: 820,844 km (0.077 R)
• M3: 1,308,533 km (0.12 R)
• M4: 2,007,005 km (0.101 R)
• M5: 2,902,199 km (0.087 R)
• M6: 3,396,320 km (0.109 R)
• M7: 4,283,436 km (0.103 R)
• M8: 5,075,856 km (0.104 R)
• M9: 6,480,580 km (0.076 R)
• M10: 8,006,777 km (0.068 R)
• M11: 8,942,362 km (0.049 R)
• M12: 11,235,398 km (0.072 R)
• M13: 12,352,745 km (0.098 R)
• M14: 13,777,964 km (0.115 R)
• M15: 16,348,654 km (0.047 R)
• M16: 19,671,372 km (0.064 R)
• M17: 22,257,470 km (0.056 R)
• M18: 23,930,723 km (0.107 R)
• M19: 28,575,437 km (0.1 R)
• M20: 30,752,685 km (0.088 R)
• M21: 32,720,196 km (0.073 R)
• M22: 36,562,168 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832.4

Radius: 4.1

Gravity: 49.52 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.53 AU - 7.51 AU

Year: 11102 Days

Day: 23.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 19,719,145 km

• M1: 51,312 km (0.082 R)
• M2: 306,227 km (0.098 R)
• M3: 489,335 km (0.089 R)
• M4: 708,944 km (0.088 R)
• M5: 1,253,780 km (0.102 R)
• M6: 1,401,134 km (0.117 R)
• M7: 1,984,416 km (0.119 R)
• M8: 2,300,965 km (0.032 R)
• M9: 2,848,942 km (0.081 R)
• M10: 3,081,267 km (0.116 R)
• M11: 3,967,036 km (0.06 R)
• M12: 5,454,039 km (0.059 R)
• M13: 6,340,556 km (0.074 R)
• M14: 7,233,955 km (0.079 R)
• M15: 7,534,946 km (0.067 R)
• M16: 7,979,401 km (0.119 R)
• M17: 11,189,921 km (0.117 R)
• M18: 14,753,492 km (0.095 R)
• M19: 15,167,579 km (0.082 R)
• M20: 17,052,063 km (0.105 R)
• M21: 18,286,245 km (0.051 R)
• M22: 19,087,043 km (0.111 R)
• M23: 20,672,631 km (0.074 R)
• M24: 21,984,753 km (0.118 R)
• M25: 23,073,676 km (0.075 R)
• M26: 25,654,240 km (0.065 R)
• M27: 26,353,460 km (0.067 R)
• M28: 31,720,882 km (0.113 R)
• M29: 32,992,015 km (0.055 R)
• M30: 36,255,642 km (0.058 R)
• M31: 38,158,677 km (0.084 R)
• M32: 41,886,955 km (0.092 R)
• M33: 44,837,324 km (0.089 R)
• M34: 50,991,182 km (0.113 R)
• M35: 52,893,319 km (0.115 R)
• M36: 54,842,131 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.8

Radius: 5.2

Gravity: 13.68 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 7.03 AU - 7.07 AU

Year: 12483 Days

Day: 24.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 19,719,145 km

• M1: 75,996 km (0.098 R)
• M2: 673,789 km (0.093 R)
• M3: 1,056,610 km (0.076 R)
• M4: 1,410,708 km (0.048 R)
• M5: 1,748,201 km (0.09 R)
• M6: 4,578,443 km (0.082 R)
• M7: 8,127,802 km (0.062 R)
• M8: 9,156,886 km (0.108 R)
• M9: 9,873,160 km (0.101 R)
• M10: 13,837,504 km (0.115 R)
• M11: 17,354,400 km (0.102 R)
• M12: 17,786,738 km (0.065 R)
• M13: 18,374,059 km (0.102 R)
• M14: 19,279,426 km (0.078 R)
• M15: 20,213,963 km (0.114 R)
• M16: 20,452,273 km (0.058 R)
• M17: 21,921,623 km (0.083 R)
• M18: 23,372,573 km (0.092 R)
• M19: 30,542,200 km (0.106 R)
• M20: 38,074,453 km (0.074 R)
• M21: 44,573,882 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.1

Radius: 5.9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.4 AU - 10.1 AU

Year: 15802 Days

Day: 18.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 19,719,145 km

• M1: 73,602 km (0.093 R)
• M2: 1,084,734 km (0.098 R)
• M3: 1,701,676 km (0.083 R)
• M4: 2,232,449 km (0.075 R)
• M5: 3,966,288 km (0.102 R)
• M6: 8,262,440 km (0.111 R)
• M7: 13,923,074 km (0.115 R)
• M8: 18,791,138 km (0.116 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 19,015 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit