🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.9 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.7

Radius: 10.7

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.4 AU - 2.21 AU

Year: 1667 Days

Day: 14.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,490,362 km

• M1: 133,292 km (0.084 R)
• M2: 506,987 km (0.102 R)
• M3: 840,142 km (0.064 R)
• M4: 1,196,035 km (0.093 R)
• M5: 1,905,877 km (0.09 R)
• M6: 2,265,510 km (0.089 R)
• M7: 2,991,509 km (0.096 R)
• M8: 3,354,134 km (0.113 R)
• M9: 3,729,176 km (0.102 R)
• M10: 6,069,036 km (0.11 R)
• M11: 6,780,673 km (0.107 R)
• M12: 7,880,517 km (0.072 R)
• M13: 8,757,908 km (0.042 R)
• M14: 9,346,426 km (0.095 R)
• M15: 13,569,424 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661

Radius: 12.5

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.47 AU - 2.33 AU

Year: 1808 Days

Day: 8.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,490,362 km

• M1: 155,432 km (0.043 R)
• M2: 803,640 km (0.096 R)
• M3: 1,643,033 km (0.085 R)
• M4: 2,262,967 km (0.086 R)
• M5: 3,744,883 km (0.111 R)
• M6: 4,643,219 km (0.108 R)
• M7: 5,165,315 km (0.093 R)
• M8: 6,709,016 km (0.113 R)
• M9: 7,629,791 km (0.1 R)
• M10: 9,327,577 km (0.035 R)
• M11: 10,196,441 km (0.119 R)
• M12: 11,191,566 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.7

Radius: 9.5

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.33 AU - 2.67 AU

Year: 2728 Days

Day: 10.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,490,362 km

• M1: 118,182 km (0.105 R)
• M2: 740,509 km (0.115 R)
• M3: 1,135,597 km (0.1 R)
• M4: 1,448,107 km (0.105 R)
• M5: 1,952,252 km (0.09 R)
• M6: 2,252,944 km (0.09 R)
• M7: 3,348,599 km (0.097 R)
• M8: 3,923,055 km (0.118 R)
• M9: 5,243,854 km (0.119 R)
• M10: 7,636,822 km (0.097 R)
• M11: 8,124,212 km (0.109 R)
• M12: 8,597,689 km (0.092 R)
• M13: 10,919,448 km (0.036 R)
• M14: 12,355,887 km (0.083 R)
• M15: 12,846,568 km (0.106 R)
• M16: 14,154,352 km (0.081 R)
• M17: 14,940,339 km (0.105 R)
• M18: 16,279,091 km (0.089 R)
• M19: 18,091,618 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.9

Radius: 8.6

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.59 AU - 2.85 AU

Year: 3096 Days

Day: 5.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 52.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,490,362 km

• M1: 106,962 km (0.084 R)
• M2: 408,701 km (0.119 R)
• M3: 1,021,903 km (0.111 R)
• M4: 2,084,946 km (0.095 R)
• M5: 2,563,210 km (0.096 R)
• M6: 3,211,717 km (0.11 R)
• M7: 3,794,700 km (0.102 R)
• M8: 4,530,272 km (0.079 R)
• M9: 5,056,109 km (0.047 R)
• M10: 7,878,721 km (0.066 R)
• M11: 8,672,189 km (0.099 R)
• M12: 9,207,450 km (0.088 R)
• M13: 10,604,245 km (0.04 R)
• M14: 14,682,433 km (0.074 R)
• M15: 15,106,842 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.3

Radius: 11.9

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.67 AU - 3.31 AU

Year: 3569 Days

Day: 12.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,490,362 km

• M1: 147,952 km (0.083 R)
• M2: 528,978 km (0.076 R)
• M3: 956,828 km (0.084 R)
• M4: 1,577,061 km (0.094 R)
• M5: 1,969,456 km (0.062 R)
• M6: 2,530,298 km (0.088 R)
• M7: 3,135,123 km (0.114 R)
• M8: 4,138,625 km (0.083 R)
• M9: 4,655,187 km (0.094 R)
• M10: 5,366,674 km (0.119 R)
• M11: 6,101,349 km (0.111 R)
• M12: 7,686,787 km (0.087 R)
• M13: 8,590,508 km (0.113 R)
• M14: 11,322,764 km (0.113 R)
• M15: 11,992,364 km (0.119 R)
• M16: 12,414,379 km (0.096 R)
• M17: 12,886,211 km (0.062 R)
• M18: 13,823,890 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.6

Radius: 8.1

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.45 AU - 5.65 AU

Year: 6699 Days

Day: 13.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,490,362 km

• M1: 101,128 km (0.09 R)
• M2: 522,695 km (0.114 R)
• M3: 1,166,115 km (0.089 R)
• M4: 1,987,258 km (0.088 R)
• M5: 2,450,114 km (0.088 R)
• M6: 2,942,590 km (0.11 R)
• M7: 3,660,959 km (0.089 R)
• M8: 4,049,166 km (0.106 R)
• M9: 4,822,437 km (0.102 R)
• M10: 14,468,807 km (0.034 R)
• M11: 20,427,290 km (0.079 R)
• M12: 24,150,631 km (0.118 R)
• M13: 27,291,439 km (0.092 R)
• M14: 29,054,150 km (0.1 R)
• M15: 30,108,516 km (0.109 R)
• M16: 30,990,097 km (0.086 R)
• M17: 36,866,151 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10

Radius: 11.3

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.91 AU - 5.27 AU

Year: 6788 Days

Day: 7.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,490,362 km

• M1: 140,772 km (0.115 R)
• M2: 535,710 km (0.098 R)
• M3: 1,207,853 km (0.116 R)
• M4: 2,807,653 km (0.118 R)
• M5: 3,898,371 km (0.04 R)
• M6: 4,599,387 km (0.109 R)
• M7: 5,233,682 km (0.119 R)
• M8: 5,845,836 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.9

Radius: 13.7

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.39 AU - 4.99 AU

Year: 7011 Days

Day: 14.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,490,362 km

• M1: 170,841 km (0.106 R)
• M2: 650,601 km (0.111 R)
• M3: 1,444,966 km (0.112 R)
• M4: 1,971,850 km (0.095 R)
• M5: 3,043,120 km (0.096 R)
• M6: 3,626,552 km (0.052 R)
• M7: 4,715,774 km (0.082 R)
• M8: 5,724,512 km (0.086 R)
• M9: 6,618,659 km (0.098 R)
• M10: 12,497,705 km (0.096 R)
• M11: 13,135,142 km (0.075 R)
• M12: 14,582,052 km (0.1 R)
• M13: 15,961,644 km (0.049 R)
• M14: 21,583,233 km (0.037 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: 557 - 20,362 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit