🌌 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: 248.4

Radius: 9.4

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.57 AU - 0.61 AU

Year: 313 Days

Day: 9.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,910,629 km

• M1: 116,836 km (0.047 R)
• M2: 468,092 km (0.059 R)
• M3: 890,257 km (0.092 R)
• M4: 1,345,034 km (0.038 R)
• M5: 1,707,959 km (0.084 R)
• M6: 2,186,522 km (0.073 R)
• M7: 2,521,472 km (0.067 R)
• M8: 3,116,572 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.7

Radius: 10.3

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.59 AU - 0.71 AU

Year: 362 Days

Day: 8.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,910,629 km

• M1: 129,851 km (0.112 R)
• M2: 699,819 km (0.114 R)
• M3: 1,353,711 km (0.105 R)
• M4: 2,048,144 km (0.116 R)
• M5: 2,548,250 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.4

Radius: 8.8

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.05 AU - 1.21 AU

Year: 829 Days

Day: 8.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,910,629 km

• M1: 109,655 km (0.112 R)
• M2: 412,142 km (0.105 R)
• M3: 992,731 km (0.078 R)
• M4: 1,647,671 km (0.12 R)
• M5: 1,963,472 km (0.056 R)
• M6: 2,683,038 km (0.028 R)
• M7: 3,190,474 km (0.085 R)
• M8: 3,656,172 km (0.068 R)
• M9: 4,150,294 km (0.086 R)
• M10: 5,701,324 km (0.093 R)
• M11: 6,475,194 km (0.039 R)
• M12: 7,246,521 km (0.103 R)
• M13: 8,437,918 km (0.093 R)
• M14: 8,970,936 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.3

Radius: 12.4

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.06 AU - 1.56 AU

Year: 1035 Days

Day: 14.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,910,629 km

• M1: 154,235 km (0.045 R)
• M2: 559,047 km (0.091 R)
• M3: 1,219,073 km (0.101 R)
• M4: 1,642,734 km (0.103 R)
• M5: 2,243,968 km (0.087 R)
• M6: 2,685,880 km (0.077 R)
• M7: 3,173,420 km (0.029 R)
• M8: 3,734,112 km (0.099 R)
• M9: 4,159,120 km (0.068 R)
• M10: 5,411,404 km (0.09 R)
• M11: 6,036,424 km (0.115 R)
• M12: 7,636,822 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.5

Radius: 12.9

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.12 AU - 1.74 AU

Year: 1180 Days

Day: 13.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 151 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,910,629 km

• M1: 183,257 km (0.111 R)
• M2: 620,382 km (0.098 R)
• M3: 1,124,228 km (0.077 R)
• M4: 1,670,859 km (0.118 R)
• M5: 2,127,431 km (0.052 R)
• M6: 3,374,928 km (0.09 R)
• M7: 4,204,149 km (0.104 R)
• M8: 4,744,646 km (0.037 R)
• M9: 7,050,548 km (0.109 R)
• M10: 7,546,315 km (0.114 R)
• M11: 9,862,389 km (0.084 R)
• M12: 11,660,256 km (0.109 R)
• M13: 12,808,270 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.9

Radius: 6.6

Gravity: 19.44 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.97 AU - 6.33 AU

Year: 9270 Days

Day: 16.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 48,910,629 km

• M1: 83,027 km (0.107 R)
• M2: 547,379 km (0.07 R)
• M3: 774,169 km (0.105 R)
• M4: 1,043,146 km (0.062 R)
• M5: 1,348,475 km (0.05 R)
• M6: 1,565,093 km (0.091 R)
• M7: 2,229,906 km (0.066 R)
• M8: 3,254,202 km (0.059 R)
• M9: 3,910,339 km (0.075 R)
• M10: 4,773,070 km (0.101 R)
• M11: 6,185,722 km (0.104 R)
• M12: 6,751,651 km (0.091 R)
• M13: 8,339,632 km (0.12 R)
• M14: 10,315,820 km (0.07 R)
• M15: 11,329,496 km (0.106 R)
• M16: 12,762,494 km (0.08 R)
• M17: 13,740,714 km (0.119 R)
• M18: 14,702,180 km (0.095 R)
• M19: 15,707,926 km (0.099 R)
• M20: 18,005,151 km (0.114 R)
• M21: 19,708,622 km (0.078 R)
• M22: 22,200,623 km (0.11 R)
• M23: 25,176,125 km (0.067 R)
• M24: 25,554,009 km (0.039 R)
• M25: 26,612,564 km (0.109 R)
• M26: 28,816,739 km (0.071 R)
• M27: 29,647,605 km (0.097 R)
• M28: 32,793,349 km (0.12 R)
• M29: 35,796,826 km (0.113 R)
• M30: 37,733,520 km (0.107 R)
• M31: 39,484,563 km (0.085 R)
• M32: 42,078,739 km (0.093 R)
• M33: 42,744,749 km (0.099 R)
• M34: 43,824,696 km (0.099 R)
• M35: 44,371,476 km (0.076 R)
• M36: 44,646,587 km (0.12 R)
• M37: 48,910,575 km (0.086 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 13,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit