🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.8

Radius: 10.6

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.46 AU - 0.56 AU

Year: 243 Days

Day: 10.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,381,413 km

• M1: 131,796 km (0.092 R)
• M2: 486,941 km (0.116 R)
• M3: 824,434 km (0.091 R)
• M4: 1,173,296 km (0.11 R)
• M5: 1,574,069 km (0.092 R)
• M6: 1,971,401 km (0.104 R)
• M7: 2,477,640 km (0.089 R)
• M8: 3,362,511 km (0.071 R)
• M9: 3,889,545 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.6

Radius: 12.8

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.49 AU - 0.57 AU

Year: 257 Days

Day: 7.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,381,413 km

• M1: 159,172 km (0.084 R)
• M2: 662,868 km (0.093 R)
• M3: 1,141,881 km (0.048 R)
• M4: 1,621,641 km (0.067 R)
• M5: 2,128,927 km (0.076 R)
• M6: 2,556,628 km (0.097 R)
• M7: 3,241,187 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.1

Radius: 14.6

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.57 AU - 0.69 AU

Year: 333 Days

Day: 6.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,381,413 km

• M1: 181,612 km (0.105 R)
• M2: 645,365 km (0.068 R)
• M3: 1,108,371 km (0.04 R)
• M4: 1,626,129 km (0.064 R)
• M5: 2,801,071 km (0.05 R)
• M6: 3,594,986 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.8

Radius: 14.4

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.59 AU - 0.71 AU

Year: 349 Days

Day: 11.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,381,413 km

• M1: 179,069 km (0.113 R)
• M2: 662,719 km (0.092 R)
• M3: 1,210,097 km (0.112 R)
• M4: 1,856,510 km (0.08 R)
• M5: 2,649,229 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184

Radius: 10.8

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.59 AU - 0.85 AU

Year: 407 Days

Day: 14.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,381,413 km

• M1: 134,339 km (0.114 R)
• M2: 491,279 km (0.089 R)
• M3: 862,432 km (0.084 R)
• M4: 1,263,204 km (0.098 R)
• M5: 1,713,494 km (0.062 R)
• M6: 2,255,038 km (0.091 R)
• M7: 2,688,723 km (0.101 R)
• M8: 3,567,460 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.7

Radius: 11.7

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.73 AU - 1.13 AU

Year: 598 Days

Day: 10.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 104.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,381,413 km

• M1: 145,559 km (0.074 R)
• M2: 570,117 km (0.071 R)
• M3: 979,417 km (0.037 R)
• M4: 1,516,324 km (0.104 R)
• M5: 1,883,587 km (0.079 R)
• M6: 2,447,571 km (0.106 R)
• M7: 3,019,932 km (0.08 R)
• M8: 3,599,624 km (0.061 R)
• M9: 4,163,608 km (0.049 R)
• M10: 4,594,300 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.9

Radius: 9.4

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.95 AU - 1.21 AU

Year: 748 Days

Day: 7.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,381,413 km

• M1: 116,836 km (0.076 R)
• M2: 411,993 km (0.074 R)
• M3: 767,886 km (0.083 R)
• M4: 1,100,741 km (0.109 R)
• M5: 1,397,394 km (0.047 R)
• M6: 1,887,327 km (0.093 R)
• M7: 2,278,376 km (0.096 R)
• M8: 2,816,479 km (0.101 R)
• M9: 3,147,988 km (0.082 R)
• M10: 3,673,077 km (0.115 R)
• M11: 4,100,478 km (0.1 R)
• M12: 4,761,401 km (0.073 R)
• M13: 5,198,227 km (0.071 R)
• M14: 6,821,513 km (0.057 R)
• M15: 7,218,845 km (0.056 R)
• M16: 7,515,348 km (0.071 R)
• M17: 8,329,609 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.7

Radius: 11.3

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.89 AU - 1.31 AU

Year: 769 Days

Day: 11.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,381,413 km

• M1: 140,472 km (0.109 R)
• M2: 602,879 km (0.102 R)
• M3: 985,252 km (0.096 R)
• M4: 1,457,233 km (0.102 R)
• M5: 2,284,060 km (0.071 R)
• M6: 2,715,052 km (0.065 R)
• M7: 3,756,552 km (0.078 R)
• M8: 5,013,174 km (0.095 R)
• M9: 5,512,682 km (0.108 R)
• M10: 6,083,248 km (0.055 R)
• M11: 7,065,059 km (0.105 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.5

Radius: 10.9

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.09 AU - 2.19 AU

Year: 2088 Days

Day: 13.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,381,413 km

• M1: 135,536 km (0.063 R)
• M2: 528,978 km (0.082 R)
• M3: 1,127,669 km (0.111 R)
• M4: 1,759,720 km (0.038 R)
• M5: 2,109,031 km (0.064 R)
• M6: 3,250,313 km (0.113 R)
• M7: 3,728,727 km (0.091 R)
• M8: 4,763,795 km (0.102 R)
• M9: 5,337,054 km (0.061 R)
• M10: 5,906,722 km (0.026 R)
• M11: 6,437,944 km (0.098 R)
• M12: 7,111,584 km (0.035 R)
• M13: 7,861,518 km (0.036 R)
• M14: 9,586,980 km (0.111 R)
• M15: 10,832,083 km (0.106 R)
• M16: 11,551,798 km (0.097 R)
• M17: 11,903,652 km (0.084 R)
• M18: 14,078,805 km (0.1 R)

Asteroid Belt

Center: 4.59 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.4

Radius: 5.2

Gravity: 22.65 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.48 AU - 8.58 AU

Year: 12430 Days

Day: 20.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,381,413 km

• M1: 64,626 km (0.118 R)
• M2: 274,961 km (0.116 R)
• M3: 524,041 km (0.115 R)
• M4: 801,695 km (0.072 R)
• M5: 1,378,544 km (0.083 R)
• M6: 2,273,140 km (0.077 R)
• M7: 2,898,908 km (0.11 R)
• M8: 3,300,877 km (0.048 R)
• M9: 3,632,835 km (0.107 R)
• M10: 4,128,752 km (0.056 R)
• M11: 4,794,761 km (0.117 R)
• M12: 5,529,736 km (0.07 R)
• M13: 7,262,677 km (0.096 R)
• M14: 7,561,424 km (0.119 R)
• M15: 9,938,535 km (0.108 R)
• M16: 13,396,340 km (0.071 R)
• M17: 14,706,817 km (0.08 R)
• M18: 15,184,932 km (0.113 R)
• M19: 15,743,979 km (0.105 R)
• M20: 17,126,712 km (0.04 R)
• M21: 18,430,757 km (0.077 R)
• M22: 20,976,763 km (0.082 R)
• M23: 22,919,441 km (0.107 R)
• M24: 24,310,851 km (0.091 R)
• M25: 28,190,073 km (0.079 R)
• M26: 36,274,791 km (0.119 R)
• M27: 37,398,570 km (0.074 R)
• M28: 45,488,973 km (0.114 R)
• M29: 47,828,085 km (0.07 R)
• M30: 49,634,030 km (0.053 R)
• M31: 51,641,185 km (0.034 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 14,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit