🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770

Radius: 8.6

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.66 AU - 1.8 AU

Year: 1469 Days

Day: 8.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 18,127,867 km

• M1: 106,962 km (0.114 R)
• M2: 419,024 km (0.085 R)
• M3: 728,242 km (0.11 R)
• M4: 1,336,807 km (0.084 R)
• M5: 1,639,293 km (0.109 R)
• M6: 3,247,919 km (0.101 R)
• M7: 3,583,019 km (0.101 R)
• M8: 4,047,819 km (0.087 R)
• M9: 5,140,183 km (0.087 R)
• M10: 6,009,496 km (0.083 R)
• M11: 6,870,282 km (0.05 R)
• M12: 7,236,797 km (0.104 R)
• M13: 7,643,853 km (0.081 R)
• M14: 8,123,464 km (0.099 R)
• M15: 8,743,696 km (0.095 R)
• M16: 11,254,397 km (0.088 R)
• M17: 11,617,172 km (0.1 R)
• M18: 13,387,065 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.7

Radius: 10.4

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.33 AU - 3.63 AU

Year: 3322 Days

Day: 9.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 18,127,867 km

• M1: 135,984 km (0.079 R)
• M2: 490,382 km (0.1 R)
• M3: 1,343,090 km (0.095 R)
• M4: 1,745,957 km (0.037 R)
• M5: 4,150,443 km (0.081 R)
• M6: 6,139,646 km (0.061 R)
• M7: 6,955,553 km (0.089 R)
• M8: 7,941,403 km (0.081 R)
• M9: 8,450,784 km (0.094 R)
• M10: 9,090,614 km (0.102 R)
• M11: 10,228,455 km (0.054 R)
• M12: 13,628,665 km (0.111 R)
• M13: 14,162,131 km (0.082 R)
• M14: 14,861,202 km (0.106 R)
• M15: 16,929,991 km (0.069 R)
• M16: 18,178,236 km (0.102 R)
• M17: 19,977,748 km (0.107 R)
• M18: 20,857,085 km (0.097 R)
• M19: 22,290,532 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.5

Radius: 8.7

Gravity: 11.33 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.13 AU - 3.43 AU

Year: 3836 Days

Day: 12.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 18,127,867 km

• M1: 108,159 km (0.12 R)
• M2: 451,786 km (0.029 R)
• M3: 723,904 km (0.034 R)
• M4: 1,282,802 km (0.112 R)
• M5: 1,782,159 km (0.088 R)
• M6: 2,752,152 km (0.078 R)
• M7: 3,303,869 km (0.084 R)
• M8: 4,602,827 km (0.114 R)
• M9: 5,574,166 km (0.108 R)
• M10: 5,916,895 km (0.095 R)
• M11: 6,707,969 km (0.09 R)
• M12: 10,718,388 km (0.045 R)
• M13: 12,752,022 km (0.083 R)
• M14: 13,147,558 km (0.118 R)
• M15: 13,807,883 km (0.116 R)
• M16: 16,322,923 km (0.119 R)
• M17: 17,566,530 km (0.062 R)
• M18: 19,064,005 km (0.109 R)
• M19: 20,509,718 km (0.035 R)
• M20: 21,536,558 km (0.062 R)
• M21: 23,250,052 km (0.093 R)
• M22: 25,987,843 km (0.09 R)
• M23: 26,304,691 km (0.112 R)
• M24: 26,704,417 km (0.111 R)
• M25: 27,027,099 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414

Radius: 11.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.7 AU - 4.06 AU

Year: 4012 Days

Day: 7.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 18,127,867 km

• M1: 147,055 km (0.115 R)
• M2: 531,671 km (0.078 R)
• M3: 1,053,917 km (0.066 R)
• M4: 1,486,105 km (0.082 R)
• M5: 2,348,537 km (0.088 R)
• M6: 2,786,859 km (0.087 R)
• M7: 3,595,136 km (0.056 R)
• M8: 4,033,907 km (0.111 R)
• M9: 4,644,415 km (0.104 R)
• M10: 5,807,090 km (0.109 R)
• M11: 6,674,459 km (0.09 R)
• M12: 7,530,158 km (0.101 R)
• M13: 8,051,208 km (0.092 R)
• M14: 8,631,049 km (0.113 R)
• M15: 9,798,062 km (0.099 R)
• M16: 10,499,227 km (0.117 R)
• M17: 12,804,680 km (0.061 R)
• M18: 16,649,345 km (0.116 R)
• M19: 18,047,188 km (0.078 R)
• M20: 21,524,590 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.2

Radius: 9.5

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.01 AU - 4.51 AU

Year: 4708 Days

Day: 6.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 18,127,867 km

• M1: 118,182 km (0.07 R)
• M2: 526,285 km (0.059 R)
• M3: 1,001,109 km (0.084 R)
• M4: 1,296,864 km (0.092 R)
• M5: 1,600,548 km (0.029 R)
• M6: 2,147,477 km (0.099 R)
• M7: 2,860,610 km (0.099 R)
• M8: 3,401,108 km (0.067 R)
• M9: 3,930,983 km (0.116 R)
• M10: 4,642,920 km (0.061 R)
• M11: 4,973,381 km (0.067 R)
• M12: 5,319,401 km (0.095 R)
• M13: 6,086,090 km (0.108 R)
• M14: 7,807,513 km (0.026 R)
• M15: 9,583,240 km (0.039 R)
• M16: 9,939,582 km (0.057 R)
• M17: 10,304,601 km (0.115 R)
• M18: 11,855,332 km (0.089 R)
• M19: 12,266,128 km (0.095 R)
• M20: 16,759,300 km (0.075 R)
• M21: 17,068,818 km (0.117 R)
• M22: 17,966,255 km (0.082 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 12,170 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit