🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849

Radius: 11.4

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.62 AU - 0.88 AU

Year: 441 Days

Day: 13.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 11,110,318 km

• M1: 143,614 km (0.066 R)
• M2: 552,914 km (0.109 R)
• M3: 1,532,630 km (0.099 R)
• M4: 2,495,741 km (0.1 R)
• M5: 2,909,679 km (0.099 R)
• M6: 3,345,457 km (0.115 R)
• M7: 3,985,287 km (0.116 R)
• M8: 4,539,547 km (0.038 R)
• M9: 5,577,757 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.8

Radius: 10.8

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.71 AU - 0.79 AU

Year: 441 Days

Day: 5.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 11,110,318 km

• M1: 135,536 km (0.072 R)
• M2: 500,554 km (0.104 R)
• M3: 886,068 km (0.088 R)
• M4: 1,275,471 km (0.042 R)
• M5: 1,832,275 km (0.11 R)
• M6: 2,307,098 km (0.058 R)
• M7: 2,883,798 km (0.033 R)
• M8: 3,506,724 km (0.103 R)
• M9: 3,901,662 km (0.11 R)
• M10: 4,578,592 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.1

Radius: 13.2

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.29 AU - 1.57 AU

Year: 1160 Days

Day: 15 Hours

Environment

Temp: -192 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 11,110,318 km

• M1: 164,109 km (0.115 R)
• M2: 747,690 km (0.117 R)
• M3: 1,163,722 km (0.1 R)
• M4: 1,611,917 km (0.056 R)
• M5: 2,287,202 km (0.091 R)
• M6: 2,885,444 km (0.105 R)
• M7: 3,394,376 km (0.117 R)
• M8: 4,645,313 km (0.111 R)
• M9: 5,573,418 km (0.091 R)
• M10: 6,203,824 km (0.087 R)
• M11: 6,685,828 km (0.038 R)
• M12: 7,654,773 km (0.042 R)
• M13: 8,210,230 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.3

Radius: 12.7

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.87 AU - 3.09 AU

Year: 2649 Days

Day: 6.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 11,110,318 km

• M1: 160,070 km (0.074 R)
• M2: 616,343 km (0.109 R)
• M3: 1,113,158 km (0.082 R)
• M4: 1,649,765 km (0.079 R)
• M5: 2,061,459 km (0.113 R)
• M6: 2,870,035 km (0.042 R)
• M7: 3,508,369 km (0.04 R)
• M8: 4,458,017 km (0.075 R)
• M9: 5,114,602 km (0.074 R)
• M10: 5,524,949 km (0.049 R)
• M11: 6,031,487 km (0.074 R)
• M12: 6,648,429 km (0.111 R)
• M13: 8,407,400 km (0.109 R)
• M14: 9,112,306 km (0.097 R)
• M15: 9,821,699 km (0.094 R)
• M16: 11,776,045 km (0.071 R)
• M17: 15,245,669 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785

Radius: 12.9

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.26 AU - 3.2 AU

Year: 3059 Days

Day: 8.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 11,110,318 km

• M1: 160,369 km (0.105 R)
• M2: 571,763 km (0.036 R)
• M3: 1,189,303 km (0.066 R)
• M4: 1,651,560 km (0.096 R)
• M5: 2,153,162 km (0.106 R)
• M6: 2,645,788 km (0.115 R)
• M7: 3,231,314 km (0.057 R)
• M8: 3,881,915 km (0.118 R)
• M9: 5,094,107 km (0.116 R)
• M10: 5,550,081 km (0.05 R)
• M11: 6,573,630 km (0.034 R)
• M12: 7,084,506 km (0.104 R)
• M13: 8,185,995 km (0.057 R)
• M14: 8,849,761 km (0.113 R)
• M15: 9,548,982 km (0.047 R)
• M16: 10,048,339 km (0.083 R)
• M17: 10,768,653 km (0.113 R)
• M18: 11,695,562 km (0.087 R)
• M19: 12,357,383 km (0.098 R)
• M20: 13,804,742 km (0.107 R)
• M21: 16,264,430 km (0.069 R)
• M22: 16,978,012 km (0.065 R)
• M23: 18,174,795 km (0.062 R)
• M24: 21,249,779 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.9

Radius: 14.6

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.85 AU - 3.29 AU

Year: 3648 Days

Day: 9.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 11,110,318 km

• M1: 184,155 km (0.108 R)
• M2: 1,027,887 km (0.117 R)
• M3: 1,595,162 km (0.043 R)
• M4: 2,226,316 km (0.047 R)
• M5: 3,185,836 km (0.103 R)
• M6: 3,884,907 km (0.037 R)
• M7: 6,154,307 km (0.088 R)
• M8: 6,669,821 km (0.086 R)
• M9: 7,975,810 km (0.097 R)
• M10: 9,659,983 km (0.114 R)
• M11: 11,570,947 km (0.107 R)
• M12: 12,788,673 km (0.054 R)
• M13: 14,990,006 km (0.068 R)
• M14: 18,806,547 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.7

Radius: 11.7

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.78 AU - 4.04 AU

Year: 4271 Days

Day: 7.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 11,110,318 km

• M1: 145,858 km (0.058 R)
• M2: 644,468 km (0.047 R)
• M3: 1,086,230 km (0.069 R)
• M4: 2,483,175 km (0.043 R)
• M5: 3,270,060 km (0.049 R)
• M6: 4,818,996 km (0.058 R)
• M7: 5,454,488 km (0.114 R)
• M8: 11,614,330 km (0.114 R)
• M9: 12,799,893 km (0.066 R)
• M10: 13,400,379 km (0.055 R)
• M11: 16,739,254 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.9

Radius: 13.1

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.02 AU - 4.26 AU

Year: 5713 Days

Day: 12.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 11,110,318 km

• M1: 163,211 km (0.095 R)
• M2: 626,217 km (0.113 R)
• M3: 1,042,697 km (0.114 R)
• M4: 1,481,169 km (0.104 R)
• M5: 1,898,846 km (0.079 R)
• M6: 2,922,843 km (0.054 R)
• M7: 4,311,710 km (0.117 R)
• M8: 5,240,713 km (0.1 R)
• M9: 7,607,351 km (0.09 R)
• M10: 14,050,830 km (0.092 R)
• M11: 14,688,117 km (0.09 R)
• M12: 15,405,290 km (0.092 R)
• M13: 18,647,674 km (0.115 R)
• M14: 19,065,052 km (0.071 R)
• M15: 19,991,063 km (0.037 R)
• M16: 22,164,570 km (0.087 R)
• M17: 23,915,464 km (0.103 R)
• M18: 25,330,211 km (0.117 R)
• M19: 26,888,272 km (0.051 R)
• M20: 29,157,223 km (0.049 R)
• M21: 31,649,225 km (0.09 R)
• M22: 32,644,649 km (0.117 R)
• M23: 33,251,717 km (0.086 R)
• M24: 34,176,531 km (0.094 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.5

Radius: 10.7

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.52 AU - 4.94 AU

Year: 5901 Days

Day: 5.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 11,110,318 km

• M1: 134,189 km (0.032 R)
• M2: 862,282 km (0.081 R)
• M3: 1,229,694 km (0.099 R)
• M4: 1,676,543 km (0.047 R)
• M5: 2,864,799 km (0.098 R)
• M6: 3,464,238 km (0.071 R)
• M7: 3,802,329 km (0.081 R)
• M8: 4,782,644 km (0.102 R)
• M9: 5,711,348 km (0.109 R)
• M10: 6,922,193 km (0.049 R)
• M11: 7,793,750 km (0.059 R)
• M12: 8,991,281 km (0.036 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 16,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit