🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.3

Radius: 12.7

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.42 AU - 0.7 AU

Year: 284 Days

Day: 7.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,588,081 km

• M1: 157,975 km (0.054 R)
• M2: 579,991 km (0.03 R)
• M3: 1,223,411 km (0.06 R)
• M4: 1,653,505 km (0.108 R)
• M5: 2,067,742 km (0.082 R)
• M6: 2,940,047 km (0.093 R)
• M7: 3,367,598 km (0.074 R)
• M8: 3,860,822 km (0.114 R)
• M9: 4,362,872 km (0.117 R)
• M10: 4,837,696 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.9

Radius: 11.1

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.9 AU - 1.08 AU

Year: 668 Days

Day: 14.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,588,081 km

• M1: 142,567 km (0.053 R)
• M2: 761,453 km (0.109 R)
• M3: 1,440,029 km (0.078 R)
• M4: 3,123,005 km (0.038 R)
• M5: 3,590,199 km (0.105 R)
• M6: 4,665,958 km (0.066 R)
• M7: 5,091,264 km (0.083 R)
• M8: 6,057,816 km (0.112 R)
• M9: 6,665,632 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.4

Radius: 14.9

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.06 AU - 1.5 AU

Year: 982 Days

Day: 8.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,588,081 km

• M1: 185,352 km (0.089 R)
• M2: 676,033 km (0.102 R)
• M3: 1,500,317 km (0.098 R)
• M4: 2,400,447 km (0.093 R)
• M5: 2,907,285 km (0.051 R)
• M6: 3,404,548 km (0.097 R)
• M7: 4,079,983 km (0.08 R)
• M8: 4,606,717 km (0.105 R)
• M9: 5,089,320 km (0.092 R)
• M10: 5,956,239 km (0.118 R)
• M11: 6,766,611 km (0.054 R)
• M12: 7,392,977 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.2

Radius: 10

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.42 AU - 1.94 AU

Year: 1477 Days

Day: 5 Hours

Environment

Temp: -203 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,588,081 km

• M1: 124,316 km (0.117 R)
• M2: 624,422 km (0.095 R)
• M3: 944,860 km (0.107 R)
• M4: 1,314,516 km (0.051 R)
• M5: 2,001,620 km (0.096 R)
• M6: 2,510,103 km (0.05 R)
• M7: 2,899,805 km (0.079 R)
• M8: 4,173,182 km (0.08 R)
• M9: 4,551,366 km (0.103 R)
• M10: 5,226,950 km (0.111 R)
• M11: 5,927,068 km (0.086 R)
• M12: 6,888,832 km (0.098 R)
• M13: 8,000,943 km (0.087 R)
• M14: 9,283,745 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.7

Radius: 8.9

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.69 AU - 4.41 AU

Year: 4537 Days

Day: 6.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,588,081 km

• M1: 111,301 km (0.059 R)
• M2: 471,981 km (0.118 R)
• M3: 1,015,470 km (0.084 R)
• M4: 1,335,161 km (0.06 R)
• M5: 2,138,651 km (0.084 R)
• M6: 3,334,537 km (0.089 R)
• M7: 4,267,429 km (0.077 R)
• M8: 5,652,107 km (0.027 R)
• M9: 5,949,507 km (0.103 R)
• M10: 7,073,586 km (0.086 R)
• M11: 7,849,251 km (0.039 R)
• M12: 8,333,499 km (0.098 R)
• M13: 9,527,290 km (0.116 R)
• M14: 10,428,318 km (0.097 R)
• M15: 12,005,977 km (0.072 R)
• M16: 14,004,605 km (0.118 R)
• M17: 14,941,536 km (0.114 R)
• M18: 15,919,757 km (0.118 R)
• M19: 18,453,795 km (0.093 R)
• M20: 20,400,811 km (0.039 R)
• M21: 21,820,944 km (0.041 R)
• M22: 22,778,520 km (0.074 R)
• M23: 24,462,693 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.3

Radius: 8.5

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.07 AU - 4.15 AU

Year: 4652 Days

Day: 5.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,588,081 km

• M1: 105,915 km (0.096 R)
• M2: 619,036 km (0.101 R)
• M3: 1,196,783 km (0.044 R)
• M4: 1,778,719 km (0.104 R)
• M5: 2,068,490 km (0.118 R)
• M6: 2,674,361 km (0.116 R)
• M7: 3,272,304 km (0.093 R)
• M8: 4,002,042 km (0.055 R)
• M9: 6,204,871 km (0.113 R)
• M10: 6,648,578 km (0.074 R)
• M11: 7,997,203 km (0.099 R)
• M12: 8,484,892 km (0.079 R)
• M13: 9,355,103 km (0.045 R)
• M14: 9,769,788 km (0.074 R)
• M15: 10,283,657 km (0.094 R)
• M16: 11,042,268 km (0.029 R)
• M17: 14,180,981 km (0.106 R)
• M18: 15,518,984 km (0.093 R)
• M19: 16,817,493 km (0.112 R)
• M20: 17,122,374 km (0.105 R)
• M21: 17,680,673 km (0.112 R)
• M22: 19,495,146 km (0.102 R)
• M23: 19,967,426 km (0.112 R)
• M24: 20,309,557 km (0.068 R)
• M25: 24,025,268 km (0.056 R)
• M26: 24,334,637 km (0.066 R)
• M27: 27,155,454 km (0.07 R)
• M28: 29,652,243 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.6

Radius: 10.9

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.55 AU - 3.77 AU

Year: 4749 Days

Day: 12.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,588,081 km

• M1: 135,685 km (0.087 R)
• M2: 484,996 km (0.102 R)
• M3: 1,434,494 km (0.101 R)
• M4: 2,125,337 km (0.117 R)
• M5: 2,522,220 km (0.103 R)
• M6: 3,221,291 km (0.081 R)
• M7: 3,638,669 km (0.084 R)
• M8: 4,608,662 km (0.111 R)
• M9: 5,030,976 km (0.061 R)
• M10: 5,450,449 km (0.069 R)
• M11: 6,045,998 km (0.09 R)
• M12: 6,884,494 km (0.056 R)
• M13: 7,402,551 km (0.092 R)
• M14: 9,402,675 km (0.096 R)
• M15: 9,825,139 km (0.107 R)
• M16: 11,739,693 km (0.065 R)
• M17: 12,329,557 km (0.095 R)
• M18: 13,515,420 km (0.082 R)
• M19: 15,232,205 km (0.117 R)
• M20: 15,993,808 km (0.067 R)
• M21: 16,353,740 km (0.118 R)
• M22: 17,340,039 km (0.105 R)
• M23: 19,910,130 km (0.077 R)
• M24: 21,250,078 km (0.102 R)
• M25: 23,640,952 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.4

Radius: 6.4

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.97 AU - 9.37 AU

Year: 15839 Days

Day: 15.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,588,081 km

• M1: 80,184 km (0.11 R)
• M2: 544,985 km (0.09 R)
• M3: 881,879 km (0.081 R)
• M4: 1,568,234 km (0.074 R)
• M5: 2,056,073 km (0.066 R)
• M6: 2,309,193 km (0.098 R)
• M7: 3,196,159 km (0.034 R)
• M8: 5,585,984 km (0.043 R)
• M9: 7,350,491 km (0.108 R)
• M10: 8,485,939 km (0.025 R)
• M11: 8,962,558 km (0.096 R)
• M12: 9,502,606 km (0.065 R)
• M13: 11,048,700 km (0.107 R)
• M14: 11,253,051 km (0.073 R)
• M15: 13,150,850 km (0.117 R)
• M16: 14,085,537 km (0.097 R)
• M17: 15,126,439 km (0.094 R)
• M18: 17,567,428 km (0.093 R)
• M19: 20,182,847 km (0.116 R)
• M20: 21,503,647 km (0.075 R)
• M21: 28,403,400 km (0.097 R)
• M22: 32,296,984 km (0.06 R)
• M23: 36,531,950 km (0.04 R)
• M24: 39,432,952 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.3

Radius: 6.1

Gravity: 22.72 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.35 AU - 10.33 AU

Year: 17827 Days

Day: 19.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,588,081 km

• M1: 75,846 km (0.079 R)
• M2: 644,468 km (0.12 R)
• M3: 1,146,069 km (0.096 R)
• M4: 1,898,547 km (0.077 R)
• M5: 2,504,119 km (0.071 R)
• M6: 3,657,967 km (0.095 R)
• M7: 5,092,162 km (0.096 R)
• M8: 5,590,921 km (0.093 R)
• M9: 7,002,826 km (0.072 R)
• M10: 7,522,230 km (0.111 R)
• M11: 7,865,856 km (0.064 R)
• M12: 8,374,788 km (0.032 R)
• M13: 10,270,492 km (0.114 R)
• M14: 10,940,391 km (0.05 R)
• M15: 11,381,705 km (0.108 R)
• M16: 13,840,496 km (0.079 R)
• M17: 14,431,407 km (0.099 R)
• M18: 15,427,280 km (0.115 R)
• M19: 20,244,481 km (0.108 R)
• M20: 23,093,573 km (0.115 R)
• M21: 26,087,774 km (0.07 R)
• M22: 28,260,683 km (0.07 R)
• M23: 30,675,193 km (0.111 R)
• M24: 31,932,563 km (0.039 R)
• M25: 32,832,843 km (0.116 R)
• M26: 33,486,287 km (0.045 R)
• M27: 35,361,795 km (0.116 R)
• M28: 42,016,208 km (0.057 R)
• M29: 49,800,832 km (0.112 R)
• M30: 50,663,114 km (0.069 R)
• M31: 59,840,195 km (0.059 R)
• M32: 60,423,627 km (0.036 R)
• M33: 64,410,111 km (0.111 R)
• M34: 73,345,293 km (0.12 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 10,853 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit