🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.7

Radius: 13.3

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.57 AU - 0.87 AU

Year: 407 Days

Day: 5.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 16,480,947 km

• M1: 165,605 km (0.1 R)
• M2: 603,777 km (0.107 R)
• M3: 1,063,790 km (0.099 R)
• M4: 1,479,224 km (0.073 R)
• M5: 2,158,996 km (0.025 R)
• M6: 2,879,609 km (0.101 R)
• M7: 3,321,522 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.1

Radius: 12.9

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.73 AU - 0.95 AU

Year: 513 Days

Day: 8 Hours

Environment

Temp: -165 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 16,480,947 km

• M1: 160,369 km (0.098 R)
• M2: 809,474 km (0.075 R)
• M3: 1,307,934 km (0.114 R)
• M4: 1,998,029 km (0.098 R)
• M5: 2,588,043 km (0.114 R)
• M6: 3,171,924 km (0.117 R)
• M7: 3,597,978 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212

Radius: 11.4

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.87 AU - 0.95 AU

Year: 579 Days

Day: 11.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,480,947 km

• M1: 142,118 km (0.111 R)
• M2: 513,719 km (0.118 R)
• M3: 1,376,450 km (0.07 R)
• M4: 1,736,682 km (0.085 R)
• M5: 2,152,713 km (0.094 R)
• M6: 2,844,753 km (0.117 R)
• M7: 3,232,660 km (0.092 R)
• M8: 3,979,453 km (0.091 R)
• M9: 4,588,466 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.5

Radius: 10.7

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.95 AU - 1.25 AU

Year: 769 Days

Day: 10.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,480,947 km

• M1: 133,591 km (0.113 R)
• M2: 545,434 km (0.12 R)
• M3: 1,249,890 km (0.095 R)
• M4: 2,323,853 km (0.071 R)
• M5: 2,769,505 km (0.069 R)
• M6: 4,254,115 km (0.116 R)
• M7: 4,611,803 km (0.091 R)
• M8: 4,957,374 km (0.102 R)
• M9: 6,693,607 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867

Radius: 10

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.09 AU - 1.59 AU

Year: 1034 Days

Day: 12 Hours

Environment

Temp: -183 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 16,480,947 km

• M1: 124,615 km (0.094 R)
• M2: 596,596 km (0.094 R)
• M3: 997,967 km (0.103 R)
• M4: 1,528,591 km (0.029 R)
• M5: 1,874,312 km (0.086 R)
• M6: 2,272,840 km (0.078 R)
• M7: 3,213,512 km (0.117 R)
• M8: 4,186,197 km (0.091 R)
• M9: 4,759,755 km (0.117 R)
• M10: 5,932,154 km (0.088 R)
• M11: 6,264,560 km (0.12 R)
• M12: 7,138,362 km (0.108 R)
• M13: 7,773,255 km (0.105 R)
• M14: 8,226,237 km (0.061 R)
• M15: 8,612,349 km (0.086 R)
• M16: 9,185,010 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.5

Radius: 13.4

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.55 AU - 2.37 AU

Year: 1830 Days

Day: 10.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 16,480,947 km

• M1: 167,699 km (0.082 R)
• M2: 672,592 km (0.076 R)
• M3: 1,258,866 km (0.077 R)
• M4: 1,831,377 km (0.113 R)
• M5: 3,236,101 km (0.078 R)
• M6: 4,062,929 km (0.111 R)
• M7: 4,730,733 km (0.049 R)
• M8: 6,438,692 km (0.081 R)
• M9: 6,910,225 km (0.08 R)
• M10: 8,221,301 km (0.118 R)
• M11: 10,068,685 km (0.099 R)
• M12: 11,219,691 km (0.073 R)
• M13: 11,982,640 km (0.046 R)
• M14: 12,496,957 km (0.116 R)
• M15: 13,191,540 km (0.036 R)
• M16: 14,303,800 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.4

Radius: 14.1

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.04 AU - 2.54 AU

Year: 2311 Days

Day: 10.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 16,480,947 km

• M1: 176,077 km (0.086 R)
• M2: 793,916 km (0.11 R)
• M3: 1,471,744 km (0.089 R)
• M4: 1,978,581 km (0.059 R)
• M5: 2,814,834 km (0.089 R)
• M6: 3,439,704 km (0.048 R)
• M7: 4,042,583 km (0.118 R)
• M8: 4,550,767 km (0.105 R)
• M9: 5,302,347 km (0.066 R)
• M10: 6,944,782 km (0.044 R)
• M11: 7,418,259 km (0.09 R)
• M12: 7,883,509 km (0.111 R)
• M13: 8,681,314 km (0.091 R)
• M14: 9,331,167 km (0.085 R)
• M15: 9,943,621 km (0.105 R)
• M16: 11,061,416 km (0.071 R)
• M17: 11,554,491 km (0.076 R)
• M18: 14,067,286 km (0.092 R)
• M19: 14,691,857 km (0.095 R)
• M20: 15,900,907 km (0.086 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 11,037 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit