🌌 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: 726.7

Radius: 10.2

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.71 AU - 0.89 AU

Year: 462 Days

Day: 10.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 15,622,731 km

• M1: 127,009 km (0.107 R)
• M2: 465,249 km (0.099 R)
• M3: 870,360 km (0.103 R)
• M4: 1,387,071 km (0.062 R)
• M5: 2,040,515 km (0.12 R)
• M6: 2,535,983 km (0.069 R)
• M7: 3,053,741 km (0.093 R)
• M8: 3,602,616 km (0.09 R)
• M9: 4,474,772 km (0.089 R)
• M10: 4,898,133 km (0.105 R)
• M11: 5,315,212 km (0.091 R)
• M12: 6,202,328 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.6

Radius: 10.6

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.81 AU - 0.81 AU

Year: 471 Days

Day: 7 Hours

Environment

Temp: -139 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,622,731 km

• M1: 131,796 km (0.05 R)
• M2: 503,546 km (0.076 R)
• M3: 890,556 km (0.101 R)
• M4: 1,247,347 km (0.119 R)
• M5: 1,693,897 km (0.083 R)
• M6: 2,130,274 km (0.036 R)
• M7: 2,871,980 km (0.109 R)
• M8: 3,363,110 km (0.113 R)
• M9: 4,072,652 km (0.119 R)
• M10: 4,604,174 km (0.108 R)
• M11: 6,330,683 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.5

Radius: 8.9

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.13 AU - 1.27 AU

Year: 849 Days

Day: 13.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 15,622,731 km

• M1: 115,190 km (0.1 R)
• M2: 496,815 km (0.061 R)
• M3: 911,649 km (0.106 R)
• M4: 2,693,061 km (0.069 R)
• M5: 3,267,367 km (0.082 R)
• M6: 3,708,830 km (0.096 R)
• M7: 4,711,735 km (0.11 R)
• M8: 5,946,815 km (0.097 R)
• M9: 8,326,468 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.5

Radius: 13.6

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.09 AU - 1.33 AU

Year: 859 Days

Day: 13.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 15,622,731 km

• M1: 169,195 km (0.079 R)
• M2: 733,179 km (0.075 R)
• M3: 1,330,823 km (0.093 R)
• M4: 1,917,546 km (0.108 R)
• M5: 2,816,629 km (0.112 R)
• M6: 3,725,286 km (0.065 R)
• M7: 4,562,286 km (0.12 R)
• M8: 4,998,962 km (0.104 R)
• M9: 5,502,060 km (0.107 R)
• M10: 6,267,702 km (0.071 R)
• M11: 7,716,707 km (0.112 R)
• M12: 9,323,538 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.6

Radius: 9.6

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.18 AU - 1.86 AU

Year: 1210 Days

Day: 13.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 15,622,731 km

• M1: 120,426 km (0.098 R)
• M2: 443,558 km (0.11 R)
• M3: 773,122 km (0.088 R)
• M4: 1,136,645 km (0.103 R)
• M5: 1,459,926 km (0.072 R)
• M6: 1,988,455 km (0.07 R)
• M7: 2,309,193 km (0.046 R)
• M8: 2,664,637 km (0.103 R)
• M9: 3,232,062 km (0.048 R)
• M10: 3,648,842 km (0.081 R)
• M11: 4,020,592 km (0.043 R)
• M12: 4,895,441 km (0.107 R)
• M13: 5,565,938 km (0.085 R)
• M14: 7,112,780 km (0.103 R)
• M15: 8,126,904 km (0.068 R)
• M16: 8,494,466 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.3

Radius: 12.6

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.65 AU - 2.23 AU

Year: 1745 Days

Day: 5.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,622,731 km

• M1: 156,779 km (0.072 R)
• M2: 682,465 km (0.108 R)
• M3: 1,341,893 km (0.089 R)
• M4: 1,995,187 km (0.077 R)
• M5: 2,974,305 km (0.097 R)
• M6: 3,468,875 km (0.078 R)
• M7: 3,868,302 km (0.058 R)
• M8: 4,394,737 km (0.045 R)
• M9: 5,147,064 km (0.086 R)
• M10: 7,782,380 km (0.099 R)
• M11: 8,574,052 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444

Radius: 11

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.3 AU - 2.38 AU

Year: 2311 Days

Day: 7.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 15,622,731 km

• M1: 138,228 km (0.091 R)
• M2: 499,058 km (0.052 R)
• M3: 1,150,408 km (0.063 R)
• M4: 1,547,889 km (0.111 R)
• M5: 2,602,405 km (0.118 R)
• M6: 3,382,408 km (0.099 R)
• M7: 4,234,517 km (0.113 R)
• M8: 5,114,302 km (0.082 R)
• M9: 5,989,450 km (0.108 R)
• M10: 6,854,574 km (0.057 R)
• M11: 7,485,728 km (0.11 R)
• M12: 8,125,259 km (0.04 R)
• M13: 10,870,978 km (0.107 R)
• M14: 11,653,375 km (0.103 R)
• M15: 12,999,157 km (0.113 R)
• M16: 13,795,018 km (0.068 R)
• M17: 15,391,676 km (0.094 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 16,317 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit