🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.6

Radius: 13.1

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.77 AU - 0.89 AU

Year: 522 Days

Day: 6.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,821,615 km

• M1: 163,062 km (0.107 R)
• M2: 617,091 km (0.083 R)
• M3: 1,051,224 km (0.06 R)
• M4: 1,459,028 km (0.074 R)
• M5: 2,091,677 km (0.116 R)
• M6: 2,624,246 km (0.108 R)
• M7: 3,043,569 km (0.079 R)
• M8: 3,631,339 km (0.111 R)
• M9: 4,060,086 km (0.086 R)
• M10: 4,479,259 km (0.117 R)
• M11: 5,275,270 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.8

Radius: 8.6

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.63 AU - 1.03 AU

Year: 522 Days

Day: 8.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,821,615 km

• M1: 106,962 km (0.115 R)
• M2: 385,963 km (0.029 R)
• M3: 852,857 km (0.087 R)
• M4: 1,456,335 km (0.118 R)
• M5: 1,954,047 km (0.1 R)
• M6: 2,300,815 km (0.105 R)
• M7: 2,582,209 km (0.025 R)
• M8: 3,059,725 km (0.115 R)
• M9: 3,741,592 km (0.076 R)
• M10: 4,075,644 km (0.111 R)
• M11: 4,354,196 km (0.064 R)
• M12: 4,692,586 km (0.039 R)
• M13: 5,778,068 km (0.096 R)
• M14: 6,225,665 km (0.092 R)
• M15: 6,716,196 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977

Radius: 8.8

Gravity: 12.62 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.13 AU - 1.55 AU

Year: 1071 Days

Day: 13 Hours

Environment

Temp: -186 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,821,615 km

• M1: 109,506 km (0.075 R)
• M2: 562,638 km (0.094 R)
• M3: 869,612 km (0.088 R)
• M4: 1,306,139 km (0.106 R)
• M5: 1,625,530 km (0.085 R)
• M6: 1,914,554 km (0.035 R)
• M7: 2,295,579 km (0.115 R)
• M8: 2,585,650 km (0.118 R)
• M9: 3,052,993 km (0.12 R)
• M10: 3,329,600 km (0.071 R)
• M11: 4,665,958 km (0.103 R)
• M12: 5,134,947 km (0.099 R)
• M13: 6,978,292 km (0.098 R)
• M14: 8,928,001 km (0.1 R)
• M15: 9,315,160 km (0.115 R)
• M16: 9,651,606 km (0.049 R)
• M17: 10,251,792 km (0.085 R)
• M18: 10,610,528 km (0.106 R)
• M19: 11,113,177 km (0.091 R)
• M20: 12,021,834 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.3

Radius: 8.8

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.03 AU - 2.07 AU

Year: 2026 Days

Day: 11.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 80.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,821,615 km

• M1: 109,506 km (0.085 R)
• M2: 434,133 km (0.077 R)
• M3: 820,395 km (0.089 R)
• M4: 1,098,497 km (0.06 R)
• M5: 1,387,969 km (0.081 R)
• M6: 2,102,149 km (0.115 R)
• M7: 5,138,537 km (0.05 R)
• M8: 5,820,404 km (0.1 R)
• M9: 6,690,615 km (0.07 R)
• M10: 7,730,769 km (0.027 R)
• M11: 8,906,758 km (0.12 R)
• M12: 10,442,231 km (0.05 R)
• M13: 10,906,433 km (0.117 R)
• M14: 11,459,197 km (0.1 R)
• M15: 11,837,829 km (0.104 R)
• M16: 12,185,794 km (0.106 R)
• M17: 13,024,290 km (0.117 R)
• M18: 13,858,148 km (0.104 R)
• M19: 15,039,822 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.8

Radius: 13.2

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.62 AU - 2.62 AU

Year: 2927 Days

Day: 9.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,821,615 km

• M1: 164,408 km (0.118 R)
• M2: 728,392 km (0.103 R)
• M3: 1,181,674 km (0.107 R)
• M4: 1,798,765 km (0.081 R)
• M5: 2,291,839 km (0.053 R)
• M6: 2,818,274 km (0.071 R)
• M7: 3,408,887 km (0.106 R)
• M8: 5,028,732 km (0.032 R)
• M9: 6,240,026 km (0.045 R)
• M10: 8,097,434 km (0.033 R)
• M11: 9,233,629 km (0.106 R)
• M12: 10,543,359 km (0.082 R)
• M13: 11,408,932 km (0.029 R)
• M14: 14,421,085 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.8

Radius: 8.2

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.55 AU - 2.99 AU

Year: 3182 Days

Day: 7.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,821,615 km

• M1: 104,270 km (0.084 R)
• M2: 438,172 km (0.044 R)
• M3: 999,164 km (0.089 R)
• M4: 1,852,171 km (0.09 R)
• M5: 2,152,115 km (0.076 R)
• M6: 2,419,596 km (0.099 R)
• M7: 3,010,059 km (0.069 R)
• M8: 3,482,190 km (0.052 R)
• M9: 5,109,216 km (0.113 R)
• M10: 7,626,499 km (0.052 R)
• M11: 8,554,904 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.1

Radius: 8.4

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.22 AU - 4.58 AU

Year: 6371 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 36,821,615 km

• M1: 114,143 km (0.097 R)
• M2: 599,439 km (0.079 R)
• M3: 1,018,612 km (0.102 R)
• M4: 1,341,743 km (0.097 R)
• M5: 2,009,847 km (0.103 R)
• M6: 2,401,943 km (0.093 R)
• M7: 2,863,752 km (0.11 R)
• M8: 3,274,997 km (0.086 R)
• M9: 4,089,407 km (0.103 R)
• M10: 5,417,537 km (0.08 R)
• M11: 5,854,064 km (0.09 R)
• M12: 6,246,609 km (0.069 R)
• M13: 7,305,612 km (0.1 R)
• M14: 8,035,350 km (0.083 R)
• M15: 9,550,328 km (0.119 R)
• M16: 9,956,935 km (0.073 R)
• M17: 10,234,589 km (0.112 R)
• M18: 12,166,346 km (0.045 R)
• M19: 13,135,142 km (0.069 R)
• M20: 14,271,038 km (0.106 R)
• M21: 15,470,963 km (0.108 R)
• M22: 18,207,407 km (0.106 R)
• M23: 21,944,661 km (0.1 R)
• M24: 23,950,918 km (0.107 R)
• M25: 25,126,159 km (0.076 R)
• M26: 25,988,890 km (0.097 R)
• M27: 28,695,714 km (0.045 R)
• M28: 29,543,036 km (0.112 R)
• M29: 34,556,659 km (0.1 R)
• M30: 35,408,170 km (0.088 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 148 - 14,913 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit