🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.4

Radius: 14.9

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1 AU - 1.36 AU

Year: 815 Days

Day: 8.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 25,774,342 km

• M1: 185,352 km (0.065 R)
• M2: 665,860 km (0.115 R)
• M3: 3,281,429 km (0.099 R)
• M4: 3,943,699 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.8

Radius: 13.5

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.08 AU - 1.64 AU

Year: 1008 Days

Day: 12.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,774,342 km

• M1: 177,423 km (0.062 R)
• M2: 859,739 km (0.108 R)
• M3: 1,675,795 km (0.082 R)
• M4: 2,154,209 km (0.11 R)
• M5: 2,890,231 km (0.107 R)
• M6: 3,918,267 km (0.09 R)
• M7: 4,612,102 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.8

Radius: 15

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.43 AU - 2.09 AU

Year: 1485 Days

Day: 12.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,774,342 km

• M1: 186,698 km (0.104 R)
• M2: 730,486 km (0.093 R)
• M3: 1,530,835 km (0.056 R)
• M4: 2,240,976 km (0.077 R)
• M5: 2,941,393 km (0.115 R)
• M6: 3,530,959 km (0.103 R)
• M7: 4,020,443 km (0.114 R)
• M8: 4,932,242 km (0.113 R)
• M9: 5,770,289 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.8

Radius: 11.5

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.25 AU - 2.37 AU

Year: 2232 Days

Day: 9.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,774,342 km

• M1: 143,165 km (0.097 R)
• M2: 600,635 km (0.083 R)
• M3: 1,042,099 km (0.116 R)
• M4: 1,986,959 km (0.09 R)
• M5: 2,697,998 km (0.092 R)
• M6: 3,217,701 km (0.081 R)
• M7: 5,559,655 km (0.079 R)
• M8: 5,947,563 km (0.067 R)
• M9: 7,136,866 km (0.099 R)
• M10: 9,702,170 km (0.112 R)
• M11: 10,266,453 km (0.076 R)
• M12: 13,945,962 km (0.082 R)
• M13: 14,347,633 km (0.076 R)
• M14: 16,621,371 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.9

Radius: 13.1

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.95 AU - 3.69 AU

Year: 3846 Days

Day: 6.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,774,342 km

• M1: 164,558 km (0.108 R)
• M2: 592,557 km (0.111 R)
• M3: 1,117,197 km (0.096 R)
• M4: 2,374,417 km (0.102 R)
• M5: 2,838,919 km (0.103 R)
• M6: 3,345,158 km (0.081 R)
• M7: 4,377,682 km (0.095 R)
• M8: 6,237,334 km (0.117 R)
• M9: 6,689,718 km (0.082 R)
• M10: 10,415,602 km (0.105 R)
• M11: 11,097,918 km (0.084 R)
• M12: 16,453,223 km (0.074 R)
• M13: 19,782,822 km (0.102 R)
• M14: 22,540,210 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 15,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit