🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.4

Radius: 11.2

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.4 AU - 0.64 AU

Year: 259 Days

Day: 6.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 35,158,710 km

• M1: 139,724 km (0.074 R)
• M2: 590,912 km (0.117 R)
• M3: 1,191,248 km (0.059 R)
• M4: 1,550,283 km (0.09 R)
• M5: 2,459,838 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.3

Radius: 14

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.66 AU - 1.08 AU

Year: 560 Days

Day: 10.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,158,710 km

• M1: 174,880 km (0.107 R)
• M2: 750,084 km (0.086 R)
• M3: 1,552,527 km (0.027 R)
• M4: 2,164,980 km (0.092 R)
• M5: 2,637,859 km (0.039 R)
• M6: 3,667,541 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.5

Radius: 11.4

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.83 AU - 1.07 AU

Year: 639 Days

Day: 10.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,158,710 km

• M1: 142,118 km (0.107 R)
• M2: 505,641 km (0.083 R)
• M3: 1,209,648 km (0.115 R)
• M4: 1,863,690 km (0.082 R)
• M5: 2,941,992 km (0.05 R)
• M6: 3,876,081 km (0.109 R)
• M7: 4,774,566 km (0.108 R)
• M8: 5,521,657 km (0.118 R)
• M9: 6,469,061 km (0.108 R)
• M10: 6,894,517 km (0.117 R)
• M11: 7,521,631 km (0.051 R)
• M12: 7,896,823 km (0.085 R)
• M13: 8,483,097 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.6

Radius: 12.5

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.85 AU - 1.17 AU

Year: 701 Days

Day: 6.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,158,710 km

• M1: 164,408 km (0.087 R)
• M2: 912,996 km (0.11 R)
• M3: 1,364,931 km (0.112 R)
• M4: 1,893,610 km (0.118 R)
• M5: 2,399,849 km (0.057 R)
• M6: 3,446,585 km (0.11 R)
• M7: 3,956,415 km (0.065 R)
• M8: 4,456,670 km (0.081 R)
• M9: 5,047,283 km (0.099 R)
• M10: 5,813,972 km (0.096 R)
• M11: 6,291,338 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.9

Radius: 9

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.07 AU - 1.43 AU

Year: 965 Days

Day: 14.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,158,710 km

• M1: 112,049 km (0.071 R)
• M2: 616,493 km (0.041 R)
• M3: 1,132,007 km (0.049 R)
• M4: 1,800,859 km (0.099 R)
• M5: 2,749,758 km (0.108 R)
• M6: 3,270,509 km (0.086 R)
• M7: 3,730,223 km (0.118 R)
• M8: 4,352,101 km (0.078 R)
• M9: 4,669,997 km (0.099 R)
• M10: 6,567,496 km (0.099 R)
• M11: 7,879,320 km (0.065 R)
• M12: 10,316,718 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.5

Radius: 9.1

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.84 AU - 1.86 AU

Year: 1737 Days

Day: 7.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,158,710 km

• M1: 113,545 km (0.054 R)
• M2: 1,023,100 km (0.119 R)
• M3: 1,317,808 km (0.072 R)
• M4: 1,613,413 km (0.107 R)
• M5: 2,029,744 km (0.083 R)
• M6: 3,021,578 km (0.112 R)
• M7: 5,542,152 km (0.103 R)
• M8: 6,064,249 km (0.12 R)
• M9: 7,050,248 km (0.1 R)
• M10: 7,997,353 km (0.111 R)
• M11: 8,935,481 km (0.032 R)
• M12: 10,342,898 km (0.077 R)
• M13: 11,099,564 km (0.116 R)
• M14: 11,818,980 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.1

Radius: 8.9

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.28 AU - 5.32 AU

Year: 8422 Days

Day: 11 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,158,710 km

• M1: 110,702 km (0.073 R)
• M2: 468,840 km (0.079 R)
• M3: 1,019,659 km (0.096 R)
• M4: 1,393,205 km (0.07 R)
• M5: 2,370,677 km (0.081 R)
• M6: 2,801,220 km (0.116 R)
• M7: 3,137,067 km (0.102 R)
• M8: 4,759,905 km (0.082 R)
• M9: 5,299,056 km (0.118 R)
• M10: 7,235,899 km (0.084 R)
• M11: 9,603,136 km (0.039 R)
• M12: 10,324,946 km (0.101 R)
• M13: 15,074,678 km (0.094 R)
• M14: 15,374,772 km (0.099 R)
• M15: 17,390,752 km (0.091 R)
• M16: 21,786,835 km (0.081 R)
• M17: 22,715,689 km (0.099 R)
• M18: 23,751,504 km (0.062 R)
• M19: 25,575,551 km (0.095 R)
• M20: 26,696,338 km (0.113 R)
• M21: 29,500,551 km (0.049 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 11,118 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit