🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.1

Radius: 13.5

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.63 AU - 0.97 AU

Year: 462 Days

Day: 14.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,265,198 km

• M1: 167,849 km (0.039 R)
• M2: 630,705 km (0.098 R)
• M3: 1,266,795 km (0.098 R)
• M4: 1,748,350 km (0.114 R)
• M5: 2,279,722 km (0.071 R)
• M6: 2,717,146 km (0.103 R)
• M7: 3,328,702 km (0.09 R)
• M8: 3,843,468 km (0.059 R)
• M9: 4,528,328 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.4

Radius: 9.7

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.95 AU - 1.35 AU

Year: 796 Days

Day: 14.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 61.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,265,198 km

• M1: 121,025 km (0.075 R)
• M2: 507,436 km (0.094 R)
• M3: 1,283,251 km (0.081 R)
• M4: 1,654,852 km (0.102 R)
• M5: 2,025,854 km (0.095 R)
• M6: 4,382,170 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.9

Radius: 13.8

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.37 AU - 2.17 AU

Year: 1520 Days

Day: 14.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,265,198 km

• M1: 171,589 km (0.088 R)
• M2: 603,777 km (0.101 R)
• M3: 1,552,377 km (0.085 R)
• M4: 2,329,688 km (0.11 R)
• M5: 2,993,005 km (0.032 R)
• M6: 4,429,144 km (0.096 R)
• M7: 5,088,721 km (0.111 R)
• M8: 6,382,444 km (0.069 R)
• M9: 8,113,740 km (0.079 R)
• M10: 8,979,911 km (0.118 R)
• M11: 12,407,647 km (0.057 R)
• M12: 13,928,759 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.5

Radius: 12.2

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.83 AU - 2.75 AU

Year: 2238 Days

Day: 14.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,265,198 km

• M1: 151,692 km (0.119 R)
• M2: 538,852 km (0.117 R)
• M3: 977,472 km (0.09 R)
• M4: 2,983,879 km (0.089 R)
• M5: 3,513,755 km (0.032 R)
• M6: 4,826,626 km (0.119 R)
• M7: 6,521,121 km (0.079 R)
• M8: 7,221,239 km (0.075 R)
• M9: 8,333,948 km (0.116 R)
• M10: 10,426,074 km (0.099 R)
• M11: 11,046,008 km (0.107 R)
• M12: 14,388,323 km (0.071 R)
• M13: 15,622,206 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.9

Radius: 11

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.56 AU - 3.34 AU

Year: 3272 Days

Day: 12.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,265,198 km

• M1: 136,882 km (0.092 R)
• M2: 485,894 km (0.109 R)
• M3: 1,106,127 km (0.059 R)
• M4: 1,469,799 km (0.081 R)
• M5: 1,964,070 km (0.098 R)
• M6: 2,362,898 km (0.117 R)
• M7: 4,144,908 km (0.026 R)
• M8: 4,761,700 km (0.108 R)
• M9: 5,413,498 km (0.112 R)
• M10: 6,458,888 km (0.027 R)
• M11: 7,105,300 km (0.049 R)
• M12: 7,794,348 km (0.077 R)
• M13: 8,188,688 km (0.113 R)
• M14: 8,630,900 km (0.088 R)
• M15: 9,233,181 km (0.054 R)
• M16: 9,637,693 km (0.102 R)
• M17: 11,712,616 km (0.095 R)
• M18: 13,688,056 km (0.116 R)
• M19: 14,458,485 km (0.061 R)
• M20: 15,720,043 km (0.106 R)
• M21: 17,218,416 km (0.086 R)
• M22: 19,461,337 km (0.078 R)
• M23: 20,559,535 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.1

Radius: 6.7

Gravity: 10.87 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.16 AU - 8.72 AU

Year: 13103 Days

Day: 15.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,265,198 km

• M1: 83,476 km (0.071 R)
• M2: 468,690 km (0.106 R)
• M3: 1,046,587 km (0.116 R)
• M4: 1,331,571 km (0.113 R)
• M5: 2,654,913 km (0.106 R)
• M6: 2,958,747 km (0.091 R)
• M7: 3,715,114 km (0.109 R)
• M8: 4,968,295 km (0.041 R)
• M9: 6,216,091 km (0.074 R)
• M10: 6,912,618 km (0.078 R)
• M11: 8,460,059 km (0.079 R)
• M12: 9,712,343 km (0.079 R)
• M13: 12,638,926 km (0.116 R)
• M14: 13,945,364 km (0.116 R)
• M15: 14,334,618 km (0.103 R)
• M16: 16,034,947 km (0.106 R)
• M17: 16,462,198 km (0.082 R)
• M18: 19,346,445 km (0.088 R)
• M19: 21,332,058 km (0.115 R)
• M20: 22,198,080 km (0.061 R)
• M21: 22,550,981 km (0.088 R)
• M22: 25,126,758 km (0.075 R)
• M23: 30,745,205 km (0.116 R)
• M24: 39,035,171 km (0.114 R)
• M25: 45,224,483 km (0.057 R)
• M26: 50,653,540 km (0.064 R)
• M27: 51,111,758 km (0.081 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: 174 - 14,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit