🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.9

Radius: 8.2

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.49 AU - 0.71 AU

Year: 315 Days

Day: 13.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,480,726 km

• M1: 102,624 km (0.112 R)
• M2: 394,639 km (0.053 R)
• M3: 650,003 km (0.068 R)
• M4: 913,893 km (0.084 R)
• M5: 1,245,701 km (0.114 R)
• M6: 2,141,643 km (0.103 R)
• M7: 2,541,668 km (0.105 R)
• M8: 2,871,382 km (0.094 R)
• M9: 3,391,982 km (0.074 R)
• M10: 4,023,435 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.5

Radius: 14.6

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.48 AU - 0.78 AU

Year: 339 Days

Day: 11.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,480,726 km

• M1: 181,612 km (0.12 R)
• M2: 878,588 km (0.09 R)
• M3: 1,692,251 km (0.106 R)
• M4: 2,214,946 km (0.056 R)
• M5: 2,740,783 km (0.03 R)
• M6: 3,231,912 km (0.107 R)
• M7: 3,987,681 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.4

Radius: 8.2

Gravity: 14.63 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.29 AU - 1.55 AU

Year: 1148 Days

Day: 14 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,480,726 km

• M1: 102,175 km (0.108 R)
• M2: 513,270 km (0.104 R)
• M3: 780,751 km (0.044 R)
• M4: 1,601,445 km (0.107 R)
• M5: 2,374,717 km (0.1 R)
• M6: 2,797,480 km (0.104 R)
• M7: 3,106,549 km (0.097 R)
• M8: 3,517,196 km (0.113 R)
• M9: 3,895,080 km (0.085 R)
• M10: 5,091,115 km (0.101 R)
• M11: 5,510,737 km (0.106 R)
• M12: 5,907,919 km (0.066 R)
• M13: 6,300,614 km (0.095 R)
• M14: 6,834,379 km (0.099 R)
• M15: 7,345,405 km (0.062 R)
• M16: 7,637,270 km (0.077 R)
• M17: 7,992,117 km (0.081 R)
• M18: 8,386,606 km (0.052 R)
• M19: 8,823,582 km (0.112 R)
• M20: 9,616,899 km (0.065 R)
• M21: 10,258,824 km (0.066 R)
• M22: 11,101,060 km (0.066 R)
• M23: 11,735,504 km (0.099 R)
• M24: 12,618,730 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.5

Radius: 9.2

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.88 AU - 2.14 AU

Year: 1933 Days

Day: 8.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 126.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,480,726 km

• M1: 118,033 km (0.117 R)
• M2: 469,887 km (0.12 R)
• M3: 928,105 km (0.12 R)
• M4: 1,356,254 km (0.051 R)
• M5: 1,814,921 km (0.111 R)
• M6: 2,406,581 km (0.117 R)
• M7: 2,872,728 km (0.108 R)
• M8: 3,238,196 km (0.083 R)
• M9: 3,851,996 km (0.108 R)
• M10: 5,237,272 km (0.12 R)
• M11: 7,495,452 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.7

Radius: 9.4

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.95 AU - 2.55 AU

Year: 2289 Days

Day: 13.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,480,726 km

• M1: 117,135 km (0.114 R)
• M2: 679,174 km (0.113 R)
• M3: 1,179,579 km (0.039 R)
• M4: 1,605,335 km (0.101 R)
• M5: 1,996,234 km (0.088 R)
• M6: 2,534,786 km (0.034 R)
• M7: 3,423,846 km (0.111 R)
• M8: 4,402,516 km (0.104 R)
• M9: 4,767,235 km (0.08 R)
• M10: 5,059,699 km (0.06 R)
• M11: 5,907,470 km (0.076 R)
• M12: 7,220,192 km (0.058 R)
• M13: 9,088,220 km (0.111 R)
• M14: 10,638,353 km (0.053 R)
• M15: 11,657,264 km (0.069 R)
• M16: 11,983,388 km (0.111 R)
• M17: 13,393,946 km (0.043 R)
• M18: 16,035,994 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.2

Radius: 10.9

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.86 AU - 2.88 AU

Year: 2475 Days

Day: 5.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,480,726 km

• M1: 135,536 km (0.104 R)
• M2: 539,001 km (0.1 R)
• M3: 909,705 km (0.111 R)
• M4: 1,253,181 km (0.118 R)
• M5: 1,890,319 km (0.101 R)
• M6: 2,230,355 km (0.066 R)
• M7: 2,987,170 km (0.12 R)
• M8: 3,507,621 km (0.083 R)
• M9: 4,936,879 km (0.104 R)
• M10: 5,415,892 km (0.067 R)
• M11: 6,411,615 km (0.105 R)
• M12: 7,902,807 km (0.099 R)
• M13: 8,593,500 km (0.083 R)
• M14: 9,576,657 km (0.05 R)
• M15: 10,633,117 km (0.058 R)
• M16: 12,018,394 km (0.1 R)
• M17: 15,696,257 km (0.101 R)
• M18: 17,597,497 km (0.109 R)
• M19: 18,947,318 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.4

Radius: 13.7

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.58 AU - 5.32 AU

Year: 7470 Days

Day: 11 Hours

Environment

Temp: -232 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,480,726 km

• M1: 266,733 km (0.072 R)
• M2: 1,497,325 km (0.101 R)
• M3: 2,055,774 km (0.1 R)
• M4: 2,772,049 km (0.118 R)
• M5: 3,507,472 km (0.106 R)
• M6: 3,973,020 km (0.105 R)
• M7: 4,940,320 km (0.071 R)
• M8: 9,521,605 km (0.101 R)
• M9: 10,336,465 km (0.113 R)
• M10: 14,684,228 km (0.084 R)
• M11: 15,511,504 km (0.071 R)
• M12: 16,913,386 km (0.095 R)
• M13: 24,414,073 km (0.113 R)
• M14: 25,124,514 km (0.074 R)
• M15: 28,298,532 km (0.115 R)
• M16: 37,269,318 km (0.093 R)
• M17: 37,974,372 km (0.073 R)
• M18: 39,411,409 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365.5

Radius: 4.8

Gravity: 15.86 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.08 AU - 7.06 AU

Year: 11422 Days

Day: 23 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 42,480,726 km

• M1: 59,839 km (0.109 R)
• M2: 253,718 km (0.119 R)
• M3: 463,903 km (0.064 R)
• M4: 683,513 km (0.096 R)
• M5: 1,299,108 km (0.06 R)
• M6: 1,462,768 km (0.079 R)
• M7: 1,668,914 km (0.11 R)
• M8: 1,847,534 km (0.105 R)
• M9: 2,088,835 km (0.088 R)
• M10: 2,350,931 km (0.119 R)
• M11: 2,795,087 km (0.118 R)
• M12: 3,385,549 km (0.111 R)
• M13: 3,648,692 km (0.095 R)
• M14: 5,020,056 km (0.101 R)
• M15: 5,887,873 km (0.098 R)
• M16: 6,128,277 km (0.1 R)
• M17: 6,851,433 km (0.104 R)
• M18: 7,751,563 km (0.032 R)
• M19: 8,508,977 km (0.112 R)
• M20: 8,816,401 km (0.106 R)
• M21: 9,176,932 km (0.105 R)
• M22: 10,169,813 km (0.064 R)
• M23: 10,566,247 km (0.077 R)
• M24: 16,091,944 km (0.071 R)
• M25: 16,972,477 km (0.11 R)
• M26: 17,671,248 km (0.113 R)
• M27: 18,755,085 km (0.111 R)
• M28: 21,374,544 km (0.08 R)
• M29: 23,879,710 km (0.079 R)
• M30: 24,934,375 km (0.118 R)
• M31: 30,778,864 km (0.092 R)
• M32: 32,132,426 km (0.106 R)
• M33: 34,512,678 km (0.118 R)
• M34: 37,356,982 km (0.104 R)
• M35: 38,537,159 km (0.053 R)
• M36: 39,986,015 km (0.077 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 15,448 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit