🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.05 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.4

Radius: 13.3

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.88 AU - 2.32 AU

Year: 1996 Days

Day: 8.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,248,848 km

• M1: 165,904 km (0.114 R)
• M2: 761,902 km (0.074 R)
• M3: 1,235,828 km (0.096 R)
• M4: 1,966,913 km (0.117 R)
• M5: 2,650,725 km (0.068 R)
• M6: 3,191,222 km (0.045 R)
• M7: 3,697,461 km (0.113 R)
• M8: 4,179,316 km (0.092 R)
• M9: 6,182,282 km (0.116 R)
• M10: 8,103,567 km (0.064 R)
• M11: 9,118,439 km (0.026 R)
• M12: 9,864,184 km (0.099 R)
• M13: 13,388,561 km (0.105 R)
• M14: 14,307,840 km (0.12 R)
• M15: 15,693,415 km (0.06 R)
• M16: 16,320,828 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.5

Radius: 14.4

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.86 AU - 3.14 AU

Year: 3409 Days

Day: 11.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,248,848 km

• M1: 179,667 km (0.081 R)
• M2: 890,706 km (0.093 R)
• M3: 1,869,824 km (0.111 R)
• M4: 2,779,828 km (0.12 R)
• M5: 3,575,090 km (0.078 R)
• M6: 4,539,398 km (0.082 R)
• M7: 6,644,090 km (0.073 R)
• M8: 8,164,902 km (0.103 R)
• M9: 8,620,577 km (0.047 R)
• M10: 12,388,050 km (0.055 R)
• M11: 14,163,478 km (0.051 R)
• M12: 15,209,466 km (0.084 R)
• M13: 16,204,591 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.9

Radius: 14.1

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.52 AU - 5.96 AU

Year: 9021 Days

Day: 7.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 170.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,248,848 km

• M1: 175,478 km (0.077 R)
• M2: 802,144 km (0.113 R)
• M3: 1,244,804 km (0.107 R)
• M4: 2,237,535 km (0.101 R)
• M5: 2,750,955 km (0.062 R)
• M6: 3,296,389 km (0.102 R)
• M7: 4,667,154 km (0.103 R)
• M8: 5,482,014 km (0.078 R)
• M9: 6,919,201 km (0.082 R)
• M10: 7,937,214 km (0.1 R)
• M11: 9,053,065 km (0.113 R)
• M12: 19,420,646 km (0.048 R)
• M13: 21,108,409 km (0.073 R)
• M14: 24,045,315 km (0.105 R)
• M15: 25,517,657 km (0.088 R)
• M16: 30,400,681 km (0.083 R)
• M17: 31,360,650 km (0.097 R)
• M18: 32,340,816 km (0.062 R)
• M19: 33,005,479 km (0.118 R)
• M20: 37,186,889 km (0.06 R)
• M21: 41,318,932 km (0.062 R)
• M22: 44,509,705 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.1

Radius: 5.1

Gravity: 29.57 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.61 AU - 7.13 AU

Year: 10547 Days

Day: 18.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,248,848 km

• M1: 63,429 km (0.101 R)
• M2: 255,364 km (0.069 R)
• M3: 434,133 km (0.094 R)
• M4: 776,114 km (0.087 R)
• M5: 1,123,929 km (0.102 R)
• M6: 1,784,703 km (0.079 R)
• M7: 2,389,527 km (0.109 R)
• M8: 2,674,810 km (0.08 R)
• M9: 3,121,659 km (0.111 R)
• M10: 3,642,708 km (0.104 R)
• M11: 4,455,174 km (0.11 R)
• M12: 5,981,521 km (0.111 R)
• M13: 6,862,204 km (0.048 R)
• M14: 7,609,296 km (0.081 R)
• M15: 8,972,731 km (0.12 R)
• M16: 9,312,767 km (0.081 R)
• M17: 10,868,734 km (0.117 R)
• M18: 14,156,596 km (0.088 R)
• M19: 18,515,728 km (0.101 R)
• M20: 19,226,318 km (0.051 R)
• M21: 19,386,687 km (0.099 R)
• M22: 21,210,136 km (0.09 R)
• M23: 24,907,597 km (0.118 R)
• M24: 28,698,108 km (0.054 R)
• M25: 33,779,349 km (0.078 R)
• M26: 41,935,126 km (0.096 R)
• M27: 44,826,553 km (0.111 R)
• M28: 49,034,143 km (0.108 R)
• M29: 50,391,594 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.6

Radius: 5.9

Gravity: 15.87 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 8.6 AU - 9.38 AU

Year: 17683 Days

Day: 18.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,248,848 km

• M1: 73,453 km (0.117 R)
• M2: 289,023 km (0.09 R)
• M3: 1,166,863 km (0.075 R)
• M4: 1,614,161 km (0.068 R)
• M5: 1,850,825 km (0.111 R)
• M6: 2,415,557 km (0.093 R)
• M7: 5,475,282 km (0.049 R)
• M8: 10,222,621 km (0.112 R)
• M9: 10,508,203 km (0.116 R)
• M10: 11,704,238 km (0.115 R)
• M11: 12,207,037 km (0.066 R)
• M12: 14,506,206 km (0.117 R)
• M13: 16,761,394 km (0.091 R)
• M14: 20,296,542 km (0.081 R)
• M15: 25,846,772 km (0.085 R)
• M16: 26,164,069 km (0.091 R)
• M17: 32,329,596 km (0.051 R)
• M18: 38,979,670 km (0.036 R)
• M19: 46,175,178 km (0.112 R)
• M20: 47,903,781 km (0.04 R)
• M21: 48,864,648 km (0.076 R)
• M22: 49,187,780 km (0.085 R)
• M23: 65,248,906 km (0.119 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 15,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit