🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.5

Radius: 10

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.55 AU - 0.63 AU

Year: 302 Days

Day: 6 Hours

Environment

Temp: -141 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 16,637,404 km

• M1: 124,316 km (0.114 R)
• M2: 551,567 km (0.075 R)
• M3: 1,175,540 km (0.094 R)
• M4: 1,769,593 km (0.053 R)
• M5: 2,232,299 km (0.079 R)
• M6: 2,725,374 km (0.085 R)
• M7: 3,425,642 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.4

Radius: 14.7

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.61 AU - 0.63 AU

Year: 326 Days

Day: 5.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,637,404 km

• M1: 182,809 km (0.076 R)
• M2: 683,513 km (0.115 R)
• M3: 1,164,470 km (0.096 R)
• M4: 1,634,058 km (0.111 R)
• M5: 2,127,880 km (0.095 R)
• M6: 2,732,256 km (0.078 R)
• M7: 3,705,090 km (0.107 R)
• M8: 4,279,247 km (0.051 R)
• M9: 4,883,772 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.9

Radius: 8.1

Gravity: 11.09 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.86 AU - 1.3 AU

Year: 748 Days

Day: 11.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,637,404 km

• M1: 107,411 km (0.039 R)
• M2: 465,698 km (0.087 R)
• M3: 925,562 km (0.099 R)
• M4: 1,266,795 km (0.083 R)
• M5: 1,521,560 km (0.112 R)
• M6: 2,049,640 km (0.051 R)
• M7: 2,909,230 km (0.05 R)
• M8: 3,345,756 km (0.066 R)
• M9: 3,752,064 km (0.094 R)
• M10: 4,113,044 km (0.061 R)
• M11: 4,529,973 km (0.092 R)
• M12: 5,010,332 km (0.084 R)
• M13: 5,600,346 km (0.088 R)
• M14: 6,153,858 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583

Radius: 14.4

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.07 AU - 1.43 AU

Year: 932 Days

Day: 10.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,637,404 km

• M1: 179,069 km (0.114 R)
• M2: 642,972 km (0.081 R)
• M3: 1,243,458 km (0.086 R)
• M4: 1,830,928 km (0.097 R)
• M5: 2,557,376 km (0.086 R)
• M6: 4,376,486 km (0.11 R)
• M7: 4,885,717 km (0.109 R)
• M8: 6,004,260 km (0.119 R)
• M9: 6,527,105 km (0.104 R)
• M10: 7,617,075 km (0.114 R)
• M11: 8,409,046 km (0.075 R)
• M12: 9,065,332 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.5

Radius: 12.4

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.39 AU - 5.15 AU

Year: 5884 Days

Day: 12.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,637,404 km

• M1: 154,535 km (0.051 R)
• M2: 728,542 km (0.099 R)
• M3: 1,251,835 km (0.117 R)
• M4: 1,642,285 km (0.115 R)
• M5: 2,499,481 km (0.054 R)
• M6: 6,110,175 km (0.057 R)
• M7: 8,069,758 km (0.037 R)
• M8: 11,595,331 km (0.06 R)
• M9: 13,245,096 km (0.053 R)
• M10: 14,805,252 km (0.103 R)
• M11: 15,351,584 km (0.025 R)
• M12: 16,613,891 km (0.118 R)
• M13: 21,043,334 km (0.025 R)
• M14: 26,379,939 km (0.105 R)
• M15: 27,911,672 km (0.1 R)
• M16: 31,151,662 km (0.118 R)
• M17: 32,049,549 km (0.112 R)
• M18: 32,759,839 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.1

Radius: 14.7

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.4 AU - 4.64 AU

Year: 6408 Days

Day: 8.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 16,637,404 km

• M1: 182,809 km (0.112 R)
• M2: 708,645 km (0.1 R)
• M3: 1,238,371 km (0.101 R)
• M4: 1,725,611 km (0.117 R)
• M5: 2,343,600 km (0.057 R)
• M6: 3,254,202 km (0.052 R)
• M7: 3,721,845 km (0.12 R)
• M8: 4,522,344 km (0.087 R)
• M9: 8,017,548 km (0.108 R)
• M10: 8,668,897 km (0.052 R)
• M11: 9,355,552 km (0.115 R)
• M12: 10,453,301 km (0.114 R)
• M13: 12,418,269 km (0.097 R)
• M14: 13,744,005 km (0.108 R)
• M15: 14,323,398 km (0.103 R)
• M16: 17,739,465 km (0.1 R)
• M17: 19,928,680 km (0.114 R)
• M18: 23,012,940 km (0.074 R)
• M19: 25,352,650 km (0.074 R)
• M20: 26,669,411 km (0.079 R)
• M21: 27,847,195 km (0.083 R)
• M22: 28,402,203 km (0.073 R)
• M23: 31,588,638 km (0.075 R)
• M24: 33,840,834 km (0.094 R)
• M25: 35,653,062 km (0.092 R)
• M26: 36,970,720 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.9

Radius: 13.6

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.35 AU - 4.91 AU

Year: 6644 Days

Day: 9.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 16,637,404 km

• M1: 169,794 km (0.076 R)
• M2: 724,054 km (0.097 R)
• M3: 1,600,847 km (0.086 R)
• M4: 2,059,514 km (0.077 R)
• M5: 2,648,780 km (0.088 R)
• M6: 3,123,604 km (0.084 R)
• M7: 3,655,574 km (0.102 R)
• M8: 4,445,899 km (0.091 R)
• M9: 4,946,902 km (0.031 R)
• M10: 6,341,603 km (0.062 R)
• M11: 7,284,818 km (0.117 R)
• M12: 8,856,344 km (0.094 R)
• M13: 10,901,795 km (0.064 R)
• M14: 11,506,919 km (0.083 R)
• M15: 15,479,939 km (0.058 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 18,649 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit