🌌 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: 980.4

Radius: 12.7

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.6 AU - 0.66 AU

Year: 333 Days

Day: 10.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,395,555 km

• M1: 157,975 km (0.117 R)
• M2: 563,685 km (0.083 R)
• M3: 1,309,281 km (0.098 R)
• M4: 1,771,688 km (0.085 R)
• M5: 2,273,588 km (0.035 R)
• M6: 3,381,211 km (0.071 R)
• M7: 3,953,124 km (0.076 R)
• M8: 4,850,113 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.1

Radius: 11.7

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.83 AU - 0.87 AU

Year: 523 Days

Day: 14.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,395,555 km

• M1: 146,307 km (0.052 R)
• M2: 526,884 km (0.034 R)
• M3: 1,248,245 km (0.061 R)
• M4: 1,649,466 km (0.117 R)
• M5: 2,122,195 km (0.099 R)
• M6: 3,312,994 km (0.111 R)
• M7: 3,987,980 km (0.116 R)
• M8: 4,684,209 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.9

Radius: 9.1

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.83 AU - 0.95 AU

Year: 560 Days

Day: 13.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,395,555 km

• M1: 113,246 km (0.076 R)
• M2: 405,410 km (0.067 R)
• M3: 734,376 km (0.084 R)
• M4: 1,161,328 km (0.077 R)
• M5: 1,976,637 km (0.118 R)
• M6: 2,311,287 km (0.113 R)
• M7: 2,907,883 km (0.092 R)
• M8: 3,292,799 km (0.099 R)
• M9: 4,784,888 km (0.081 R)
• M10: 5,236,673 km (0.096 R)
• M11: 5,864,536 km (0.052 R)
• M12: 6,602,053 km (0.114 R)
• M13: 7,014,345 km (0.108 R)
• M14: 7,356,475 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.4

Radius: 10

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.98 AU - 1.56 AU

Year: 954 Days

Day: 10.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,395,555 km

• M1: 124,316 km (0.12 R)
• M2: 563,535 km (0.103 R)
• M3: 879,785 km (0.082 R)
• M4: 1,350,570 km (0.12 R)
• M5: 1,837,810 km (0.06 R)
• M6: 2,269,549 km (0.072 R)
• M7: 2,755,593 km (0.09 R)
• M8: 3,071,543 km (0.097 R)
• M9: 4,135,484 km (0.062 R)
• M10: 4,462,804 km (0.092 R)
• M11: 5,288,434 km (0.105 R)
• M12: 6,736,691 km (0.117 R)
• M13: 7,590,746 km (0.094 R)
• M14: 8,030,862 km (0.111 R)
• M15: 9,191,592 km (0.114 R)
• M16: 10,876,214 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.4

Radius: 9.8

Gravity: 10.4 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.5 AU - 2.42 AU

Year: 1830 Days

Day: 11.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,395,555 km

• M1: 121,922 km (0.077 R)
• M2: 511,924 km (0.072 R)
• M3: 836,102 km (0.076 R)
• M4: 1,185,713 km (0.105 R)
• M5: 1,583,493 km (0.058 R)
• M6: 2,711,461 km (0.08 R)
• M7: 3,047,608 km (0.084 R)
• M8: 3,411,579 km (0.109 R)
• M9: 3,749,072 km (0.103 R)
• M10: 5,664,075 km (0.11 R)
• M11: 6,347,587 km (0.081 R)
• M12: 7,548,709 km (0.104 R)
• M13: 8,001,392 km (0.104 R)
• M14: 8,665,606 km (0.119 R)
• M15: 9,573,067 km (0.104 R)
• M16: 10,542,611 km (0.079 R)
• M17: 11,458,150 km (0.099 R)
• M18: 12,634,288 km (0.109 R)
• M19: 13,057,800 km (0.115 R)
• M20: 13,978,425 km (0.098 R)
• M21: 15,801,873 km (0.101 R)
• M22: 16,393,533 km (0.102 R)
• M23: 17,153,789 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.2

Radius: 9.8

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.21 AU - 3.91 AU

Year: 4479 Days

Day: 10.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,395,555 km

• M1: 123,119 km (0.11 R)
• M2: 459,565 km (0.059 R)
• M3: 1,119,441 km (0.108 R)
• M4: 1,992,494 km (0.054 R)
• M5: 2,316,074 km (0.062 R)
• M6: 4,563,034 km (0.096 R)
• M7: 4,973,680 km (0.102 R)
• M8: 6,045,699 km (0.119 R)
• M9: 6,677,002 km (0.1 R)
• M10: 7,008,959 km (0.074 R)
• M11: 7,527,316 km (0.053 R)
• M12: 7,917,617 km (0.046 R)
• M13: 9,861,192 km (0.08 R)
• M14: 10,365,487 km (0.062 R)
• M15: 10,773,739 km (0.107 R)
• M16: 11,231,210 km (0.078 R)
• M17: 12,063,123 km (0.105 R)
• M18: 12,640,122 km (0.077 R)
• M19: 13,760,611 km (0.094 R)
• M20: 14,163,478 km (0.07 R)
• M21: 14,528,197 km (0.03 R)
• M22: 17,156,333 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.1

Radius: 12.2

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.15 AU - 4.31 AU

Year: 4804 Days

Day: 7 Hours

Environment

Temp: -214 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,395,555 km

• M1: 152,291 km (0.102 R)
• M2: 683,363 km (0.106 R)
• M3: 1,261,858 km (0.11 R)
• M4: 2,366,190 km (0.112 R)
• M5: 3,920,362 km (0.079 R)
• M6: 5,165,166 km (0.115 R)
• M7: 5,806,193 km (0.105 R)
• M8: 6,657,554 km (0.071 R)
• M9: 7,146,889 km (0.108 R)
• M10: 7,695,314 km (0.107 R)
• M11: 9,150,603 km (0.105 R)
• M12: 11,972,018 km (0.06 R)
• M13: 12,697,418 km (0.082 R)
• M14: 13,554,913 km (0.059 R)
• M15: 16,359,574 km (0.098 R)
• M16: 16,951,832 km (0.063 R)
• M17: 25,770,028 km (0.06 R)
• M18: 26,734,635 km (0.05 R)
• M19: 27,390,921 km (0.12 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: 199 - 18,770 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit