🌌 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: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.9

Radius: 10.6

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.63 AU - 0.83 AU

Year: 431 Days

Day: 12.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,447,886 km

• M1: 131,945 km (0.102 R)
• M2: 667,057 km (0.106 R)
• M3: 1,292,376 km (0.104 R)
• M4: 1,809,386 km (0.085 R)
• M5: 2,768,159 km (0.101 R)
• M6: 3,101,463 km (0.113 R)
• M7: 3,507,322 km (0.117 R)
• M8: 4,215,518 km (0.117 R)
• M9: 4,562,735 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.8

Radius: 10.1

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.6 AU - 0.94 AU

Year: 466 Days

Day: 5.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,447,886 km

• M1: 125,662 km (0.099 R)
• M2: 440,117 km (0.079 R)
• M3: 894,146 km (0.062 R)
• M4: 1,234,033 km (0.098 R)
• M5: 1,760,169 km (0.095 R)
• M6: 2,142,391 km (0.12 R)
• M7: 3,264,076 km (0.111 R)
• M8: 3,597,829 km (0.083 R)
• M9: 4,176,922 km (0.108 R)
• M10: 5,436,087 km (0.026 R)
• M11: 5,925,422 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.2

Radius: 10

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.5 AU - 1.64 AU

Year: 1358 Days

Day: 10.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,447,886 km

• M1: 124,316 km (0.093 R)
• M2: 453,132 km (0.067 R)
• M3: 809,025 km (0.099 R)
• M4: 1,171,501 km (0.113 R)
• M5: 1,920,089 km (0.098 R)
• M6: 2,417,950 km (0.109 R)
• M7: 3,204,835 km (0.1 R)
• M8: 3,892,686 km (0.111 R)
• M9: 5,300,103 km (0.115 R)
• M10: 5,936,193 km (0.06 R)
• M11: 6,283,859 km (0.075 R)
• M12: 6,645,287 km (0.093 R)
• M13: 7,559,480 km (0.09 R)
• M14: 8,637,631 km (0.098 R)
• M15: 9,996,130 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266

Radius: 10.1

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.38 AU - 2.12 AU

Year: 1598 Days

Day: 8.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,447,886 km

• M1: 126,261 km (0.101 R)
• M2: 462,108 km (0.111 R)
• M3: 786,436 km (0.106 R)
• M4: 1,115,701 km (0.106 R)
• M5: 1,490,892 km (0.083 R)
• M6: 2,434,556 km (0.069 R)
• M7: 2,829,793 km (0.052 R)
• M8: 3,890,741 km (0.066 R)
• M9: 4,697,523 km (0.12 R)
• M10: 5,372,957 km (0.089 R)
• M11: 5,879,047 km (0.074 R)
• M12: 7,345,106 km (0.109 R)
• M13: 7,740,643 km (0.095 R)
• M14: 9,266,691 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.5

Radius: 9.6

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.8 AU - 2.1 AU

Year: 1880 Days

Day: 5.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,447,886 km

• M1: 141,669 km (0.101 R)
• M2: 454,329 km (0.106 R)
• M3: 753,674 km (0.056 R)
• M4: 1,369,120 km (0.102 R)
• M5: 1,809,685 km (0.09 R)
• M6: 2,266,258 km (0.097 R)
• M7: 2,640,402 km (0.097 R)
• M8: 3,263,029 km (0.062 R)
• M9: 6,796,979 km (0.053 R)
• M10: 7,815,442 km (0.101 R)
• M11: 8,268,574 km (0.097 R)
• M12: 9,360,937 km (0.114 R)
• M13: 9,734,184 km (0.054 R)
• M14: 12,755,014 km (0.116 R)
• M15: 13,684,465 km (0.071 R)
• M16: 14,977,589 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.1

Radius: 8.2

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.82 AU - 3 AU

Year: 2582 Days

Day: 8.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,447,886 km

• M1: 102,475 km (0.1 R)
• M2: 373,396 km (0.105 R)
• M3: 986,000 km (0.109 R)
• M4: 2,069,687 km (0.063 R)
• M5: 2,594,027 km (0.103 R)
• M6: 3,536,344 km (0.076 R)
• M7: 4,077,739 km (0.063 R)
• M8: 4,485,393 km (0.085 R)
• M9: 4,919,825 km (0.104 R)
• M10: 6,632,571 km (0.118 R)
• M11: 8,091,150 km (0.055 R)
• M12: 9,248,290 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.6

Radius: 13.6

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.01 AU - 6.37 AU

Year: 8161 Days

Day: 10.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,447,886 km

• M1: 169,943 km (0.045 R)
• M2: 914,641 km (0.113 R)
• M3: 1,539,212 km (0.082 R)
• M4: 2,160,492 km (0.094 R)
• M5: 2,764,120 km (0.074 R)
• M6: 3,194,812 km (0.057 R)
• M7: 4,122,917 km (0.091 R)
• M8: 5,307,284 km (0.061 R)
• M9: 6,040,313 km (0.115 R)
• M10: 6,974,103 km (0.111 R)
• M11: 7,928,089 km (0.06 R)
• M12: 9,007,587 km (0.086 R)
• M13: 9,499,166 km (0.099 R)
• M14: 10,626,386 km (0.085 R)
• M15: 11,840,821 km (0.058 R)
• M16: 14,158,690 km (0.08 R)
• M17: 16,460,254 km (0.106 R)
• M18: 17,072,707 km (0.105 R)
• M19: 20,575,841 km (0.117 R)
• M20: 21,503,348 km (0.109 R)
• M21: 22,014,075 km (0.113 R)
• M22: 23,518,431 km (0.082 R)
• M23: 25,656,633 km (0.058 R)
• M24: 26,148,810 km (0.108 R)
• M25: 27,407,078 km (0.114 R)
• M26: 27,921,545 km (0.107 R)
• M27: 29,414,233 km (0.083 R)
• M28: 29,953,533 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.4

Radius: 3.2

Gravity: 93.79 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.56 AU - 9.82 AU

Year: 17682 Days

Day: 21.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,447,886 km

• M1: 41,289 km (0.038 R)
• M2: 156,031 km (0.099 R)
• M3: 304,432 km (0.062 R)
• M4: 1,250,339 km (0.105 R)
• M5: 1,600,248 km (0.054 R)
• M6: 2,444,130 km (0.116 R)
• M7: 2,585,051 km (0.091 R)
• M8: 3,148,886 km (0.07 R)
• M9: 3,488,772 km (0.114 R)
• M10: 3,947,289 km (0.102 R)
• M11: 5,684,569 km (0.083 R)
• M12: 5,848,828 km (0.109 R)
• M13: 9,377,842 km (0.046 R)
• M14: 9,549,730 km (0.113 R)
• M15: 14,031,981 km (0.062 R)
• M16: 16,723,097 km (0.118 R)
• M17: 17,662,422 km (0.106 R)
• M18: 18,999,229 km (0.09 R)
• M19: 19,366,791 km (0.115 R)
• M20: 19,645,492 km (0.075 R)
• M21: 22,275,871 km (0.099 R)
• M22: 22,787,346 km (0.079 R)
• M23: 30,919,486 km (0.057 R)
• M24: 32,070,941 km (0.107 R)
• M25: 32,591,841 km (0.091 R)
• M26: 35,280,713 km (0.115 R)
• M27: 37,968,688 km (0.088 R)
• M28: 39,436,691 km (0.084 R)
• M29: 40,034,335 km (0.083 R)
• M30: 42,641,975 km (0.094 R)
• M31: 47,012,328 km (0.078 R)
• M32: 47,853,068 km (0.094 R)
• M33: 50,435,426 km (0.099 R)
• M34: 58,543,481 km (0.119 R)
• M35: 61,095,172 km (0.098 R)
• M36: 62,096,131 km (0.092 R)
• M37: 65,789,852 km (0.103 R)
• M38: 69,410,270 km (0.118 R)
• M39: 70,062,667 km (0.034 R)
• M40: 70,280,930 km (0.113 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 15,033 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit