🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.4

Radius: 13.1

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.75 AU - 1.15 AU

Year: 617 Days

Day: 12 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,272,448 km

• M1: 163,062 km (0.1 R)
• M2: 587,770 km (0.087 R)
• M3: 1,073,664 km (0.069 R)
• M4: 1,511,387 km (0.114 R)
• M5: 2,062,057 km (0.065 R)
• M6: 2,723,728 km (0.091 R)
• M7: 3,236,700 km (0.104 R)
• M8: 3,923,803 km (0.119 R)
• M9: 4,929,549 km (0.109 R)
• M10: 5,914,801 km (0.099 R)
• M11: 6,328,588 km (0.11 R)
• M12: 6,985,772 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.3

Radius: 8.7

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.83 AU - 1.15 AU

Year: 657 Days

Day: 12.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,272,448 km

• M1: 108,159 km (0.102 R)
• M2: 430,842 km (0.105 R)
• M3: 888,761 km (0.092 R)
• M4: 1,975,739 km (0.11 R)
• M5: 2,819,321 km (0.116 R)
• M6: 3,128,839 km (0.105 R)
• M7: 3,537,990 km (0.036 R)
• M8: 3,843,917 km (0.042 R)
• M9: 4,343,574 km (0.029 R)
• M10: 4,758,259 km (0.095 R)
• M11: 5,032,622 km (0.099 R)
• M12: 6,333,824 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.4

Radius: 14.5

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.31 AU - 1.35 AU

Year: 1023 Days

Day: 7.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,272,448 km

• M1: 180,265 km (0.059 R)
• M2: 743,202 km (0.095 R)
• M3: 1,454,390 km (0.118 R)
• M4: 1,993,242 km (0.1 R)
• M5: 2,665,984 km (0.12 R)
• M6: 3,328,702 km (0.098 R)
• M7: 3,995,460 km (0.055 R)
• M8: 4,918,928 km (0.088 R)
• M9: 6,238,530 km (0.109 R)
• M10: 7,459,698 km (0.098 R)
• M11: 8,212,175 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.8

Radius: 14.4

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.9 AU - 4.58 AU

Year: 4823 Days

Day: 5.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,272,448 km

• M1: 179,069 km (0.109 R)
• M2: 828,922 km (0.095 R)
• M3: 1,477,877 km (0.111 R)
• M4: 2,156,603 km (0.09 R)
• M5: 2,788,504 km (0.04 R)
• M6: 3,522,132 km (0.11 R)
• M7: 4,103,320 km (0.115 R)
• M8: 5,684,420 km (0.095 R)
• M9: 6,740,581 km (0.099 R)
• M10: 7,400,607 km (0.108 R)
• M11: 7,887,997 km (0.056 R)
• M12: 10,439,687 km (0.114 R)
• M13: 12,116,530 km (0.047 R)
• M14: 12,697,119 km (0.095 R)
• M15: 16,113,935 km (0.094 R)
• M16: 17,296,805 km (0.114 R)
• M17: 19,702,638 km (0.092 R)
• M18: 20,371,191 km (0.098 R)
• M19: 21,193,381 km (0.105 R)
• M20: 22,904,182 km (0.055 R)
• M21: 23,419,995 km (0.065 R)
• M22: 24,094,682 km (0.049 R)
• M23: 24,782,383 km (0.086 R)
• M24: 25,640,477 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149

Radius: 5.3

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.7 AU - 9.44 AU

Year: 13889 Days

Day: 22.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,272,448 km

• M1: 67,469 km (0.059 R)
• M2: 335,548 km (0.073 R)
• M3: 530,773 km (0.087 R)
• M4: 886,367 km (0.107 R)
• M5: 1,765,105 km (0.113 R)
• M6: 1,939,686 km (0.06 R)
• M7: 2,427,824 km (0.061 R)
• M8: 4,331,756 km (0.066 R)
• M9: 6,057,966 km (0.103 R)
• M10: 7,236,947 km (0.114 R)
• M11: 8,727,091 km (0.05 R)
• M12: 10,317,017 km (0.093 R)
• M13: 11,730,867 km (0.074 R)
• M14: 15,420,249 km (0.118 R)
• M15: 16,039,285 km (0.053 R)
• M16: 19,101,703 km (0.044 R)
• M17: 19,815,435 km (0.084 R)
• M18: 21,831,266 km (0.077 R)
• M19: 23,815,981 km (0.118 R)
• M20: 25,232,374 km (0.045 R)
• M21: 26,265,197 km (0.047 R)
• M22: 27,058,216 km (0.051 R)
• M23: 27,505,663 km (0.103 R)
• M24: 29,344,520 km (0.092 R)
• M25: 32,154,267 km (0.081 R)
• M26: 34,610,963 km (0.099 R)
• M27: 34,821,298 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.1

Radius: 3.6

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 8.16 AU - 9.4 AU

Year: 17349 Days

Day: 21 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,272,448 km

• M1: 44,730 km (0.107 R)
• M2: 647,011 km (0.097 R)
• M3: 875,447 km (0.102 R)
• M4: 1,715,588 km (0.074 R)
• M5: 2,122,195 km (0.107 R)
• M6: 2,245,015 km (0.075 R)
• M7: 3,405,596 km (0.027 R)
• M8: 6,592,629 km (0.114 R)
• M9: 15,603,956 km (0.093 R)
• M10: 26,682,875 km (0.095 R)
• M11: 27,939,198 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.6

Radius: 4.6

Gravity: 23.85 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.73 AU - 11.17 AU

Year: 19372 Days

Day: 24.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,272,448 km

• M1: 57,146 km (0.107 R)
• M2: 302,636 km (0.077 R)
• M3: 533,017 km (0.05 R)
• M4: 763,248 km (0.11 R)
• M5: 998,117 km (0.109 R)
• M6: 1,225,057 km (0.087 R)
• M7: 1,470,397 km (0.055 R)
• M8: 1,662,780 km (0.111 R)
• M9: 2,385,936 km (0.071 R)
• M10: 7,215,404 km (0.089 R)
• M11: 7,398,213 km (0.102 R)
• M12: 7,678,111 km (0.105 R)
• M13: 8,765,238 km (0.069 R)
• M14: 10,292,334 km (0.073 R)
• M15: 10,465,717 km (0.113 R)
• M16: 12,702,505 km (0.079 R)
• M17: 14,867,934 km (0.082 R)
• M18: 18,177,488 km (0.066 R)
• M19: 19,646,090 km (0.11 R)
• M20: 29,099,628 km (0.061 R)
• M21: 32,696,111 km (0.087 R)
• M22: 34,600,641 km (0.111 R)
• M23: 40,324,256 km (0.077 R)
• M24: 43,862,395 km (0.078 R)
• M25: 46,175,477 km (0.105 R)
• M26: 53,254,897 km (0.077 R)
• M27: 60,271,337 km (0.038 R)
• M28: 64,684,923 km (0.079 R)
• M29: 67,071,009 km (0.053 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 17,155 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit