🌌 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: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.9

Radius: 14.8

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.57 AU - 0.69 AU

Year: 339 Days

Day: 13.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 66,970,036 km

• M1: 184,005 km (0.118 R)
• M2: 678,726 km (0.094 R)
• M3: 1,347,578 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.5

Radius: 13.5

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.04 AU - 1.1 AU

Year: 751 Days

Day: 13.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 66,970,036 km

• M1: 168,447 km (0.099 R)
• M2: 954,584 km (0.096 R)
• M3: 2,488,261 km (0.106 R)
• M4: 3,343,812 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.2

Radius: 10.5

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.73 AU - 1.77 AU

Year: 1570 Days

Day: 13 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,970,036 km

• M1: 130,599 km (0.104 R)
• M2: 501,153 km (0.096 R)
• M3: 918,980 km (0.087 R)
• M4: 1,499,120 km (0.115 R)
• M5: 2,353,922 km (0.085 R)
• M6: 3,563,870 km (0.092 R)
• M7: 3,922,905 km (0.092 R)
• M8: 4,256,957 km (0.084 R)
• M9: 4,964,405 km (0.08 R)
• M10: 6,117,805 km (0.074 R)
• M11: 7,537,638 km (0.083 R)
• M12: 8,947,000 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195

Radius: 9

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3 AU - 3.96 AU

Year: 4403 Days

Day: 9.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,970,036 km

• M1: 111,899 km (0.095 R)
• M2: 652,247 km (0.096 R)
• M3: 1,060,799 km (0.102 R)
• M4: 1,436,588 km (0.118 R)
• M5: 1,959,283 km (0.078 R)
• M6: 3,743,088 km (0.035 R)
• M7: 4,148,349 km (0.086 R)
• M8: 4,668,800 km (0.082 R)
• M9: 5,421,876 km (0.116 R)
• M10: 10,445,372 km (0.085 R)
• M11: 11,055,283 km (0.09 R)
• M12: 13,735,029 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.6

Radius: 12.6

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.55 AU - 5.51 AU

Year: 7651 Days

Day: 13.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,970,036 km

• M1: 156,629 km (0.098 R)
• M2: 705,653 km (0.069 R)
• M3: 2,425,281 km (0.04 R)
• M4: 3,307,908 km (0.081 R)
• M5: 4,218,510 km (0.119 R)
• M6: 5,174,890 km (0.106 R)
• M7: 5,920,485 km (0.113 R)
• M8: 7,012,999 km (0.098 R)
• M9: 7,626,051 km (0.064 R)
• M10: 8,592,453 km (0.07 R)
• M11: 9,210,591 km (0.082 R)
• M12: 10,035,773 km (0.082 R)
• M13: 11,438,403 km (0.086 R)
• M14: 12,967,891 km (0.109 R)
• M15: 15,213,954 km (0.041 R)
• M16: 17,577,600 km (0.104 R)
• M17: 21,343,876 km (0.095 R)
• M18: 23,178,544 km (0.078 R)
• M19: 24,786,123 km (0.064 R)
• M20: 31,575,323 km (0.078 R)
• M21: 32,453,463 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.5

Radius: 3.8

Gravity: 38.4 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.49 AU - 8.17 AU

Year: 12107 Days

Day: 22.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,970,036 km

• M1: 47,273 km (0.117 R)
• M2: 166,502 km (0.113 R)
• M3: 400,473 km (0.107 R)
• M4: 739,313 km (0.102 R)
• M5: 1,067,530 km (0.094 R)
• M6: 1,557,613 km (0.105 R)
• M7: 2,699,344 km (0.064 R)
• M8: 3,171,624 km (0.104 R)
• M9: 3,390,187 km (0.117 R)
• M10: 5,975,238 km (0.115 R)
• M11: 7,093,632 km (0.088 R)
• M12: 9,239,613 km (0.111 R)
• M13: 9,989,996 km (0.099 R)
• M14: 11,218,195 km (0.107 R)
• M15: 11,782,328 km (0.074 R)
• M16: 12,071,351 km (0.092 R)
• M17: 13,714,385 km (0.071 R)
• M18: 15,777,938 km (0.103 R)
• M19: 16,919,818 km (0.093 R)
• M20: 22,478,127 km (0.108 R)
• M21: 25,713,181 km (0.055 R)
• M22: 28,826,014 km (0.056 R)
• M23: 31,401,790 km (0.098 R)
• M24: 37,252,114 km (0.119 R)
• M25: 40,957,354 km (0.105 R)
• M26: 41,619,923 km (0.096 R)
• M27: 41,753,364 km (0.095 R)
• M28: 42,830,768 km (0.059 R)
• M29: 44,064,801 km (0.094 R)
• M30: 50,440,512 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.5

Radius: 7.3

Gravity: 17.29 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.71 AU - 8.51 AU

Year: 14239 Days

Day: 24.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,970,036 km

• M1: 90,806 km (0.069 R)
• M2: 385,813 km (0.053 R)
• M3: 737,069 km (0.086 R)
• M4: 1,148,313 km (0.106 R)
• M5: 1,705,117 km (0.074 R)
• M6: 2,282,265 km (0.085 R)
• M7: 2,627,687 km (0.115 R)
• M8: 3,617,576 km (0.056 R)
• M9: 5,482,762 km (0.052 R)
• M10: 5,787,792 km (0.084 R)
• M11: 7,720,597 km (0.075 R)
• M12: 10,047,591 km (0.101 R)
• M13: 12,089,303 km (0.108 R)
• M14: 12,871,550 km (0.113 R)
• M15: 17,215,125 km (0.083 R)
• M16: 18,884,637 km (0.083 R)
• M17: 20,205,586 km (0.116 R)
• M18: 21,493,025 km (0.066 R)
• M19: 22,252,833 km (0.118 R)
• M20: 24,027,662 km (0.1 R)
• M21: 29,681,564 km (0.1 R)
• M22: 32,319,274 km (0.074 R)
• M23: 39,166,817 km (0.082 R)
• M24: 41,599,428 km (0.078 R)
• M25: 46,448,344 km (0.062 R)
• M26: 47,079,796 km (0.071 R)
• M27: 47,716,934 km (0.071 R)
• M28: 51,156,637 km (0.082 R)
• M29: 51,999,173 km (0.09 R)
• M30: 53,539,283 km (0.08 R)
• M31: 58,524,781 km (0.1 R)
• M32: 59,076,498 km (0.112 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 16,980 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit