🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257

Radius: 14.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.86 AU - 1.28 AU

Year: 726 Days

Day: 6.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,151,674 km

• M1: 201,209 km (0.06 R)
• M2: 698,173 km (0.095 R)
• M3: 1,272,629 km (0.081 R)
• M4: 1,935,796 km (0.049 R)
• M5: 2,478,986 km (0.104 R)
• M6: 3,225,031 km (0.063 R)
• M7: 4,406,854 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.4

Radius: 9.9

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.92 AU - 1.24 AU

Year: 736 Days

Day: 9.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,151,674 km

• M1: 123,269 km (0.027 R)
• M2: 443,258 km (0.11 R)
• M3: 885,021 km (0.11 R)
• M4: 1,753,287 km (0.101 R)
• M5: 2,183,979 km (0.078 R)
• M6: 2,957,400 km (0.112 R)
• M7: 4,117,532 km (0.108 R)
• M8: 5,490,990 km (0.091 R)
• M9: 5,847,182 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182

Radius: 12.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.09 AU - 1.43 AU

Year: 928 Days

Day: 12.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,151,674 km

• M1: 154,235 km (0.09 R)
• M2: 785,688 km (0.086 R)
• M3: 1,629,719 km (0.079 R)
• M4: 2,580,713 km (0.057 R)
• M5: 3,226,676 km (0.047 R)
• M6: 4,324,426 km (0.09 R)
• M7: 4,781,896 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.6

Radius: 10.7

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.63 AU - 1.63 AU

Year: 1365 Days

Day: 13.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,151,674 km

• M1: 133,142 km (0.116 R)
• M2: 641,775 km (0.097 R)
• M3: 1,051,374 km (0.089 R)
• M4: 1,478,326 km (0.086 R)
• M5: 2,000,572 km (0.101 R)
• M6: 2,643,095 km (0.097 R)
• M7: 3,418,162 km (0.109 R)
• M8: 3,875,183 km (0.096 R)
• M9: 4,619,283 km (0.109 R)
• M10: 5,416,041 km (0.07 R)
• M11: 6,663,837 km (0.073 R)
• M12: 8,549,518 km (0.118 R)
• M13: 9,989,398 km (0.086 R)
• M14: 10,357,857 km (0.088 R)
• M15: 10,767,157 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.5

Radius: 8.1

Gravity: 12.05 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.12 AU - 2.14 AU

Year: 2039 Days

Day: 9 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,151,674 km

• M1: 100,829 km (0.109 R)
• M2: 426,653 km (0.114 R)
• M3: 915,539 km (0.075 R)
• M4: 1,477,728 km (0.062 R)
• M5: 1,797,418 km (0.102 R)
• M6: 2,150,769 km (0.095 R)
• M7: 2,480,034 km (0.081 R)
• M8: 2,982,084 km (0.037 R)
• M9: 3,532,455 km (0.057 R)
• M10: 4,109,454 km (0.105 R)
• M11: 4,410,594 km (0.12 R)
• M12: 6,143,237 km (0.102 R)
• M13: 6,431,063 km (0.102 R)
• M14: 7,348,547 km (0.033 R)
• M15: 7,854,038 km (0.088 R)
• M16: 9,754,679 km (0.104 R)
• M17: 12,392,089 km (0.041 R)
• M18: 13,237,467 km (0.101 R)
• M19: 15,137,360 km (0.093 R)
• M20: 15,470,813 km (0.06 R)
• M21: 16,152,381 km (0.102 R)
• M22: 16,500,496 km (0.069 R)
• M23: 17,367,116 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.4

Radius: 12.2

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.58 AU - 2.92 AU

Year: 2992 Days

Day: 11.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,151,674 km

• M1: 152,889 km (0.093 R)
• M2: 720,763 km (0.106 R)
• M3: 1,101,340 km (0.048 R)
• M4: 1,779,616 km (0.069 R)
• M5: 2,266,408 km (0.079 R)
• M6: 3,390,935 km (0.089 R)
• M7: 3,820,730 km (0.081 R)
• M8: 4,747,488 km (0.118 R)
• M9: 5,194,786 km (0.061 R)
• M10: 5,597,204 km (0.06 R)
• M11: 6,226,862 km (0.032 R)
• M12: 8,859,635 km (0.039 R)
• M13: 9,401,628 km (0.095 R)
• M14: 10,626,984 km (0.081 R)
• M15: 11,713,812 km (0.078 R)
• M16: 12,618,580 km (0.069 R)
• M17: 14,942,284 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.5

Radius: 10.9

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.56 AU - 3.98 AU

Year: 4802 Days

Day: 7.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 22,151,674 km

• M1: 135,835 km (0.118 R)
• M2: 612,902 km (0.113 R)
• M3: 2,210,608 km (0.108 R)
• M4: 2,667,779 km (0.077 R)
• M5: 3,051,497 km (0.1 R)
• M6: 3,908,843 km (0.066 R)
• M7: 5,763,707 km (0.064 R)
• M8: 7,002,228 km (0.118 R)
• M9: 7,847,904 km (0.119 R)
• M10: 8,219,805 km (0.096 R)
• M11: 8,999,060 km (0.1 R)
• M12: 9,615,403 km (0.087 R)
• M13: 10,978,090 km (0.058 R)
• M14: 11,874,780 km (0.032 R)
• M15: 13,179,722 km (0.115 R)
• M16: 14,522,662 km (0.101 R)
• M17: 15,836,730 km (0.092 R)
• M18: 19,840,418 km (0.05 R)
• M19: 20,743,390 km (0.111 R)
• M20: 21,097,937 km (0.063 R)
• M21: 22,482,017 km (0.09 R)
• M22: 24,237,398 km (0.101 R)
• M23: 25,188,691 km (0.112 R)
• M24: 30,412,948 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.4

Radius: 5

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.5 AU - 6.64 AU

Year: 11047 Days

Day: 20.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 22,151,674 km

• M1: 62,233 km (0.114 R)
• M2: 414,237 km (0.104 R)
• M3: 628,161 km (0.078 R)
• M4: 818,749 km (0.119 R)
• M5: 1,088,624 km (0.11 R)
• M6: 1,343,239 km (0.102 R)
• M7: 1,543,252 km (0.117 R)
• M8: 1,748,650 km (0.116 R)
• M9: 2,131,770 km (0.11 R)
• M10: 2,458,940 km (0.109 R)
• M11: 2,779,379 km (0.097 R)
• M12: 3,191,371 km (0.056 R)
• M13: 3,786,771 km (0.089 R)
• M14: 4,562,286 km (0.098 R)
• M15: 4,871,505 km (0.104 R)
• M16: 5,075,557 km (0.094 R)
• M17: 6,918,902 km (0.1 R)
• M18: 7,214,357 km (0.089 R)
• M19: 9,568,130 km (0.076 R)
• M20: 10,168,766 km (0.058 R)
• M21: 11,242,130 km (0.088 R)
• M22: 12,934,980 km (0.041 R)
• M23: 15,280,824 km (0.094 R)
• M24: 20,116,426 km (0.087 R)
• M25: 20,946,694 km (0.027 R)
• M26: 21,642,773 km (0.093 R)
• M27: 23,907,086 km (0.118 R)
• M28: 25,793,216 km (0.052 R)
• M29: 30,641,085 km (0.1 R)
• M30: 32,144,693 km (0.096 R)
• M31: 34,651,654 km (0.113 R)
• M32: 37,398,570 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30.8

Radius: 6.2

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.28 AU - 9.7 AU

Year: 14816 Days

Day: 19.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,151,674 km

• M1: 77,193 km (0.077 R)
• M2: 1,259,913 km (0.106 R)
• M3: 2,310,988 km (0.071 R)
• M4: 2,770,702 km (0.101 R)
• M5: 3,871,294 km (0.064 R)
• M6: 5,038,456 km (0.112 R)
• M7: 7,360,365 km (0.104 R)
• M8: 8,213,821 km (0.07 R)
• M9: 8,699,864 km (0.086 R)
• M10: 9,502,008 km (0.105 R)
• M11: 12,790,468 km (0.107 R)
• M12: 14,068,782 km (0.029 R)
• M13: 14,364,088 km (0.111 R)
• M14: 15,223,079 km (0.079 R)
• M15: 15,482,183 km (0.117 R)
• M16: 16,766,780 km (0.082 R)
• M17: 17,775,668 km (0.108 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 18,375 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit