🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.1

Radius: 14.7

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.53 AU - 0.75 AU

Year: 353 Days

Day: 11.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,548,381 km

• M1: 183,407 km (0.041 R)
• M2: 704,456 km (0.033 R)
• M3: 1,208,302 km (0.101 R)
• M4: 1,770,640 km (0.113 R)
• M5: 2,269,699 km (0.116 R)
• M6: 3,631,788 km (0.07 R)
• M7: 4,156,427 km (0.112 R)
• M8: 4,774,865 km (0.087 R)
• M9: 5,282,450 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.5

Radius: 8.7

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.81 AU - 2.11 AU

Year: 1894 Days

Day: 12.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,548,381 km

• M1: 109,655 km (0.064 R)
• M2: 423,063 km (0.11 R)
• M3: 946,057 km (0.096 R)
• M4: 1,272,779 km (0.101 R)
• M5: 2,113,668 km (0.117 R)
• M6: 3,316,435 km (0.09 R)
• M7: 4,288,971 km (0.091 R)
• M8: 4,882,426 km (0.099 R)
• M9: 5,286,041 km (0.072 R)
• M10: 6,039,864 km (0.066 R)
• M11: 7,207,925 km (0.097 R)
• M12: 8,763,443 km (0.109 R)
• M13: 9,169,153 km (0.061 R)
• M14: 11,684,192 km (0.109 R)
• M15: 14,410,464 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191

Radius: 10.3

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.93 AU - 2.49 AU

Year: 2268 Days

Day: 10.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,548,381 km

• M1: 128,953 km (0.113 R)
• M2: 541,993 km (0.065 R)
• M3: 881,879 km (0.098 R)
• M4: 1,241,812 km (0.105 R)
• M5: 1,911,562 km (0.063 R)
• M6: 2,445,626 km (0.069 R)
• M7: 3,049,253 km (0.115 R)
• M8: 4,215,518 km (0.069 R)
• M9: 4,852,057 km (0.101 R)
• M10: 5,264,050 km (0.079 R)
• M11: 5,893,109 km (0.116 R)
• M12: 6,501,523 km (0.085 R)
• M13: 6,905,737 km (0.083 R)
• M14: 8,030,264 km (0.035 R)
• M15: 8,496,112 km (0.098 R)
• M16: 9,302,594 km (0.086 R)
• M17: 10,127,776 km (0.1 R)
• M18: 11,576,182 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.8

Radius: 14.4

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.21 AU - 3.29 AU

Year: 3148 Days

Day: 12.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,548,381 km

• M1: 179,069 km (0.041 R)
• M2: 628,012 km (0.106 R)
• M3: 1,343,838 km (0.115 R)
• M4: 2,689,171 km (0.102 R)
• M5: 3,490,567 km (0.106 R)
• M6: 4,198,015 km (0.075 R)
• M7: 8,273,660 km (0.077 R)
• M8: 9,189,797 km (0.113 R)
• M9: 11,224,627 km (0.095 R)
• M10: 12,865,267 km (0.102 R)
• M11: 14,145,975 km (0.11 R)
• M12: 15,782,426 km (0.087 R)
• M13: 17,133,594 km (0.115 R)
• M14: 18,991,450 km (0.118 R)
• M15: 19,681,993 km (0.094 R)
• M16: 20,389,143 km (0.052 R)
• M17: 21,515,315 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.5

Radius: 10.2

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.07 AU - 3.09 AU

Year: 3731 Days

Day: 9.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,548,381 km

• M1: 127,158 km (0.11 R)
• M2: 544,835 km (0.035 R)
• M3: 931,995 km (0.106 R)
• M4: 1,272,031 km (0.11 R)
• M5: 2,008,651 km (0.058 R)
• M6: 2,542,715 km (0.069 R)
• M7: 3,413,075 km (0.093 R)
• M8: 3,917,220 km (0.072 R)
• M9: 5,306,087 km (0.086 R)
• M10: 6,242,270 km (0.09 R)
• M11: 7,061,468 km (0.064 R)
• M12: 7,546,614 km (0.117 R)
• M13: 8,656,032 km (0.086 R)
• M14: 9,441,122 km (0.115 R)
• M15: 10,602,450 km (0.106 R)
• M16: 11,901,558 km (0.077 R)
• M17: 12,496,209 km (0.116 R)
• M18: 14,813,032 km (0.103 R)
• M19: 24,395,074 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.7

Radius: 6.7

Gravity: 11.09 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.38 AU - 6.74 AU

Year: 9049 Days

Day: 23.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,548,381 km

• M1: 83,775 km (0.107 R)
• M2: 325,824 km (0.104 R)
• M3: 1,477,279 km (0.093 R)
• M4: 2,055,774 km (0.058 R)
• M5: 3,304,467 km (0.082 R)
• M6: 3,798,589 km (0.114 R)
• M7: 4,730,285 km (0.05 R)
• M8: 5,142,576 km (0.114 R)
• M9: 6,313,479 km (0.118 R)
• M10: 7,073,287 km (0.115 R)
• M11: 7,973,866 km (0.053 R)
• M12: 10,828,941 km (0.062 R)
• M13: 12,183,699 km (0.118 R)
• M14: 15,225,473 km (0.078 R)
• M15: 15,928,134 km (0.115 R)
• M16: 18,810,885 km (0.103 R)
• M17: 22,592,420 km (0.089 R)
• M18: 23,170,915 km (0.034 R)
• M19: 24,099,918 km (0.099 R)
• M20: 26,851,471 km (0.086 R)
• M21: 29,023,483 km (0.059 R)
• M22: 31,106,334 km (0.111 R)
• M23: 33,606,563 km (0.085 R)
• M24: 34,795,866 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 308.6

Radius: 7.6

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.11 AU - 9.27 AU

Year: 14720 Days

Day: 19.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,548,381 km

• M1: 112,198 km (0.032 R)
• M2: 642,224 km (0.072 R)
• M3: 909,405 km (0.105 R)
• M4: 1,337,704 km (0.116 R)
• M5: 2,026,303 km (0.079 R)
• M6: 2,478,687 km (0.109 R)
• M7: 3,317,482 km (0.072 R)
• M8: 3,815,045 km (0.105 R)
• M9: 10,971,957 km (0.096 R)
• M10: 11,735,654 km (0.11 R)
• M11: 13,986,803 km (0.062 R)
• M12: 16,093,739 km (0.105 R)
• M13: 17,512,974 km (0.117 R)
• M14: 22,098,149 km (0.086 R)
• M15: 24,118,618 km (0.104 R)
• M16: 25,034,306 km (0.076 R)
• M17: 31,884,841 km (0.088 R)
• M18: 44,348,738 km (0.099 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 11,926 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit