🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.88 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.9

Radius: 10.8

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.32 AU - 7.18 AU

Year: 5011 Days

Day: 12.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 172.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 115,625,016 km

• M1: 134,339 km (0.114 R)
• M2: 658,979 km (0.076 R)
• M3: 1,588,430 km (0.094 R)
• M4: 2,000,124 km (0.082 R)
• M5: 2,626,490 km (0.109 R)
• M6: 4,436,624 km (0.105 R)
• M7: 5,528,539 km (0.1 R)
• M8: 11,283,868 km (0.044 R)
• M9: 12,180,857 km (0.076 R)
• M10: 15,157,705 km (0.069 R)
• M11: 15,946,535 km (0.119 R)
• M12: 16,453,223 km (0.081 R)
• M13: 18,092,815 km (0.055 R)
• M14: 18,588,583 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.7

Radius: 14

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5 AU - 7.2 AU

Year: 5476 Days

Day: 13.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 115,625,016 km

• M1: 174,132 km (0.066 R)
• M2: 671,096 km (0.066 R)
• M3: 1,237,174 km (0.068 R)
• M4: 1,715,888 km (0.045 R)
• M5: 2,805,858 km (0.104 R)
• M6: 6,223,421 km (0.115 R)
• M7: 7,139,110 km (0.103 R)
• M8: 9,279,706 km (0.037 R)
• M9: 10,609,331 km (0.066 R)
• M10: 12,709,685 km (0.071 R)
• M11: 13,275,614 km (0.103 R)
• M12: 13,804,443 km (0.064 R)
• M13: 14,680,039 km (0.065 R)
• M14: 15,303,264 km (0.073 R)
• M15: 17,467,347 km (0.113 R)
• M16: 18,688,215 km (0.094 R)
• M17: 20,450,478 km (0.097 R)
• M18: 21,014,312 km (0.091 R)
• M19: 21,588,469 km (0.087 R)
• M20: 22,026,042 km (0.116 R)
• M21: 23,913,070 km (0.03 R)
• M22: 24,936,020 km (0.116 R)
• M23: 26,400,135 km (0.118 R)
• M24: 27,153,360 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.6

Radius: 14

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.56 AU - 9.82 AU

Year: 8518 Days

Day: 5.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 115,625,016 km

• M1: 174,132 km (0.113 R)
• M2: 659,128 km (0.079 R)
• M3: 1,161,179 km (0.054 R)
• M4: 1,629,570 km (0.08 R)
• M5: 2,677,054 km (0.089 R)
• M6: 3,327,057 km (0.066 R)
• M7: 3,817,588 km (0.117 R)
• M8: 4,674,485 km (0.11 R)
• M9: 5,133,301 km (0.118 R)
• M10: 6,433,008 km (0.109 R)
• M11: 7,240,088 km (0.09 R)
• M12: 7,942,151 km (0.066 R)
• M13: 8,963,755 km (0.107 R)
• M14: 9,724,909 km (0.11 R)
• M15: 11,214,156 km (0.1 R)
• M16: 11,817,185 km (0.098 R)
• M17: 14,641,592 km (0.089 R)
• M18: 16,176,167 km (0.055 R)
• M19: 20,926,648 km (0.117 R)
• M20: 23,574,829 km (0.061 R)
• M21: 24,933,178 km (0.101 R)
• M22: 27,019,171 km (0.113 R)
• M23: 28,405,644 km (0.1 R)
• M24: 37,738,157 km (0.107 R)
• M25: 40,227,765 km (0.045 R)
• M26: 44,436,103 km (0.096 R)
• M27: 44,981,985 km (0.04 R)
• M28: 45,670,584 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.3

Radius: 11.1

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 9.71 AU - 10.67 AU

Year: 11822 Days

Day: 6.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 115,625,016 km

• M1: 139,126 km (0.109 R)
• M2: 1,054,665 km (0.047 R)
• M3: 1,747,902 km (0.113 R)
• M4: 2,364,245 km (0.108 R)
• M5: 9,046,482 km (0.11 R)
• M6: 10,832,980 km (0.055 R)
• M7: 13,605,777 km (0.037 R)
• M8: 15,479,640 km (0.107 R)
• M9: 16,614,788 km (0.088 R)
• M10: 17,448,796 km (0.029 R)
• M11: 20,827,016 km (0.078 R)
• M12: 24,976,113 km (0.086 R)
• M13: 27,387,181 km (0.087 R)
• M14: 28,062,017 km (0.117 R)
• M15: 29,746,938 km (0.114 R)
• M16: 31,393,412 km (0.048 R)
• M17: 33,426,447 km (0.101 R)
• M18: 40,174,359 km (0.044 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.2

Radius: 7.4

Gravity: 17.9 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 16.33 AU - 22.69 AU

Year: 31320 Days

Day: 19.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 115,625,016 km

• M1: 93,499 km (0.085 R)
• M2: 497,712 km (0.082 R)
• M3: 823,536 km (0.092 R)
• M4: 1,729,351 km (0.118 R)
• M5: 2,851,934 km (0.106 R)
• M6: 4,754,220 km (0.1 R)
• M7: 12,240,846 km (0.114 R)
• M8: 13,601,289 km (0.089 R)
• M9: 14,620,499 km (0.055 R)
• M10: 15,598,570 km (0.057 R)
• M11: 16,336,835 km (0.079 R)
• M12: 17,982,861 km (0.12 R)
• M13: 25,047,171 km (0.053 R)
• M14: 26,445,014 km (0.094 R)
• M15: 74,866,703 km (0.092 R)
• M16: 79,362,568 km (0.106 R)
• M17: 85,160,682 km (0.114 R)
• M18: 86,011,296 km (0.08 R)
• M19: 88,597,394 km (0.117 R)
• M20: 89,470,747 km (0.079 R)
• M21: 93,021,751 km (0.082 R)
• M22: 107,835,232 km (0.109 R)

Kuiper Belt

Range: 30.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 15,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit