🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.9

Radius: 13.7

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.62 AU - 0.94 AU

Year: 445 Days

Day: 11 Hours

Environment

Temp: -146 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,100,925 km

• M1: 170,392 km (0.094 R)
• M2: 671,994 km (0.051 R)
• M3: 1,129,464 km (0.101 R)
• M4: 1,819,858 km (0.114 R)
• M5: 2,263,715 km (0.108 R)
• M6: 3,000,335 km (0.113 R)
• M7: 3,564,020 km (0.043 R)
• M8: 4,141,168 km (0.044 R)
• M9: 4,811,516 km (0.11 R)
• M10: 5,467,353 km (0.072 R)
• M11: 6,034,479 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.5

Radius: 10.6

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.24 AU - 1.48 AU

Year: 1024 Days

Day: 14.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,100,925 km

• M1: 131,796 km (0.1 R)
• M2: 472,280 km (0.112 R)
• M3: 919,279 km (0.049 R)
• M4: 1,647,222 km (0.096 R)
• M5: 2,367,386 km (0.092 R)
• M6: 3,118,068 km (0.092 R)
• M7: 4,563,034 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.9

Radius: 13.9

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.84 AU - 2.1 AU

Year: 1785 Days

Day: 7.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,100,925 km

• M1: 172,935 km (0.093 R)
• M2: 607,816 km (0.086 R)
• M3: 1,203,664 km (0.111 R)
• M4: 1,918,443 km (0.095 R)
• M5: 3,041,624 km (0.057 R)
• M6: 3,867,255 km (0.082 R)
• M7: 4,710,687 km (0.079 R)
• M8: 6,368,980 km (0.096 R)
• M9: 7,120,260 km (0.07 R)
• M10: 7,810,654 km (0.116 R)
• M11: 8,962,408 km (0.082 R)
• M12: 9,976,832 km (0.041 R)
• M13: 11,293,891 km (0.083 R)
• M14: 11,954,665 km (0.088 R)
• M15: 16,723,546 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.2

Radius: 8.1

Gravity: 11.51 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.78 AU - 2.48 AU

Year: 2007 Days

Day: 7.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,100,925 km

• M1: 100,679 km (0.093 R)
• M2: 459,415 km (0.086 R)
• M3: 824,284 km (0.114 R)
• M4: 1,188,854 km (0.094 R)
• M5: 1,451,698 km (0.084 R)
• M6: 1,711,250 km (0.062 R)
• M7: 2,085,993 km (0.099 R)
• M8: 2,817,377 km (0.067 R)
• M9: 4,777,707 km (0.112 R)
• M10: 5,063,140 km (0.098 R)
• M11: 5,596,008 km (0.078 R)
• M12: 5,938,437 km (0.09 R)
• M13: 6,746,415 km (0.092 R)
• M14: 7,449,824 km (0.112 R)
• M15: 7,714,762 km (0.109 R)
• M16: 9,235,574 km (0.096 R)
• M17: 9,507,244 km (0.08 R)
• M18: 13,283,543 km (0.116 R)
• M19: 14,341,200 km (0.119 R)
• M20: 15,311,791 km (0.083 R)
• M21: 16,227,180 km (0.053 R)
• M22: 16,573,350 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.6

Radius: 12.6

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.21 AU - 2.23 AU

Year: 2136 Days

Day: 11.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,100,925 km

• M1: 156,779 km (0.112 R)
• M2: 598,990 km (0.102 R)
• M3: 1,372,112 km (0.093 R)
• M4: 1,780,364 km (0.073 R)
• M5: 2,331,034 km (0.092 R)
• M6: 2,865,996 km (0.115 R)
• M7: 3,262,281 km (0.042 R)
• M8: 3,779,740 km (0.112 R)
• M9: 4,277,153 km (0.081 R)
• M10: 5,514,178 km (0.088 R)
• M11: 6,038,219 km (0.058 R)
• M12: 7,563,519 km (0.103 R)
• M13: 8,153,982 km (0.057 R)
• M14: 9,491,087 km (0.088 R)
• M15: 10,178,490 km (0.113 R)
• M16: 10,689,815 km (0.081 R)
• M17: 11,361,958 km (0.105 R)
• M18: 12,327,164 km (0.114 R)
• M19: 13,265,890 km (0.104 R)
• M20: 13,917,838 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.2

Radius: 13.6

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.69 AU - 4.51 AU

Year: 5360 Days

Day: 9.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,100,925 km

• M1: 169,195 km (0.089 R)
• M2: 612,005 km (0.033 R)
• M3: 1,094,608 km (0.112 R)
• M4: 1,734,139 km (0.103 R)
• M5: 2,203,876 km (0.08 R)
• M6: 3,557,288 km (0.101 R)
• M7: 4,082,975 km (0.093 R)
• M8: 5,206,455 km (0.116 R)
• M9: 5,886,975 km (0.115 R)
• M10: 6,329,935 km (0.093 R)
• M11: 6,897,808 km (0.065 R)
• M12: 9,820,502 km (0.054 R)
• M13: 11,145,191 km (0.06 R)
• M14: 12,025,574 km (0.117 R)
• M15: 12,585,968 km (0.117 R)
• M16: 18,511,540 km (0.075 R)
• M17: 18,985,316 km (0.094 R)
• M18: 19,606,297 km (0.115 R)
• M19: 20,671,434 km (0.111 R)
• M20: 21,181,563 km (0.096 R)
• M21: 23,072,330 km (0.065 R)
• M22: 25,570,166 km (0.086 R)
• M23: 26,073,712 km (0.109 R)
• M24: 27,274,385 km (0.113 R)
• M25: 31,383,988 km (0.11 R)
• M26: 33,236,907 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.4

Radius: 12.3

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.48 AU - 5.12 AU

Year: 5757 Days

Day: 8.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,100,925 km

• M1: 153,039 km (0.109 R)
• M2: 539,749 km (0.046 R)
• M3: 1,843,943 km (0.082 R)
• M4: 2,669,574 km (0.09 R)
• M5: 3,388,392 km (0.11 R)
• M6: 3,772,110 km (0.104 R)
• M7: 4,808,524 km (0.094 R)
• M8: 5,522,256 km (0.064 R)
• M9: 6,180,337 km (0.107 R)
• M10: 7,510,412 km (0.117 R)
• M11: 9,022,996 km (0.097 R)
• M12: 10,372,518 km (0.116 R)
• M13: 11,095,824 km (0.109 R)
• M14: 11,900,810 km (0.112 R)
• M15: 12,643,114 km (0.075 R)
• M16: 13,468,595 km (0.095 R)
• M17: 15,983,635 km (0.07 R)
• M18: 26,615,556 km (0.119 R)
• M19: 27,457,343 km (0.103 R)
• M20: 30,361,636 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.2

Radius: 10.3

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.3 AU - 6.12 AU

Year: 8810 Days

Day: 10.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,100,925 km

• M1: 128,505 km (0.092 R)
• M2: 763,548 km (0.04 R)
• M3: 1,181,225 km (0.098 R)
• M4: 1,903,334 km (0.066 R)
• M5: 3,808,762 km (0.115 R)
• M6: 4,632,148 km (0.097 R)
• M7: 5,569,978 km (0.095 R)
• M8: 8,597,240 km (0.111 R)
• M9: 11,137,861 km (0.095 R)
• M10: 14,266,850 km (0.098 R)
• M11: 15,494,749 km (0.06 R)
• M12: 18,833,026 km (0.1 R)
• M13: 19,834,882 km (0.11 R)
• M14: 23,666,234 km (0.068 R)
• M15: 27,279,172 km (0.093 R)
• M16: 30,610,567 km (0.12 R)
• M17: 34,091,111 km (0.065 R)
• M18: 35,809,990 km (0.033 R)
• M19: 41,312,499 km (0.062 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: 454 - 11,211 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit