🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.61 AU - 0.79 AU

Year: 267 Days

Day: 36.7 Hours

Environment

Temp: -39 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.7 AU - 1.04 AU

Year: 370 Days

Day: 42.1 Hours

Environment

Temp: -57 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 58,488,966 km

• M1: 102,475 km (0.089 R)
• M2: 273,315 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.76 AU - 0.98 AU

Year: 370 Days

Day: 37.5 Hours

Environment

Temp: -59 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,488,966 km

• M1: 64,626 km (0.069 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.88 AU - 2 AU

Year: 1234 Days

Day: 31.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,488,966 km

• M1: 521,049 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.1

Radius: 13

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.34 AU - 3.48 AU

Year: 2266 Days

Day: 5.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,488,966 km

• M1: 162,014 km (0.098 R)
• M2: 655,987 km (0.113 R)
• M3: 1,096,253 km (0.09 R)
• M4: 1,533,827 km (0.095 R)
• M5: 2,404,187 km (0.053 R)
• M6: 3,047,907 km (0.065 R)
• M7: 4,299,443 km (0.052 R)
• M8: 4,927,754 km (0.068 R)
• M9: 5,396,294 km (0.102 R)
• M10: 7,276,141 km (0.052 R)
• M11: 7,730,171 km (0.11 R)
• M12: 11,218,793 km (0.073 R)
• M13: 13,107,017 km (0.11 R)
• M14: 13,599,045 km (0.086 R)
• M15: 14,763,515 km (0.119 R)
• M16: 15,247,464 km (0.116 R)
• M17: 16,972,926 km (0.103 R)
• M18: 17,612,008 km (0.055 R)
• M19: 18,211,746 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.5

Radius: 9.9

Gravity: 9.85 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.3 AU - 6.96 AU

Year: 7794 Days

Day: 5.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,488,966 km

• M1: 128,505 km (0.065 R)
• M2: 514,168 km (0.1 R)
• M3: 948,899 km (0.093 R)
• M4: 1,411,007 km (0.054 R)
• M5: 2,036,177 km (0.103 R)
• M6: 2,478,837 km (0.034 R)
• M7: 3,558,784 km (0.085 R)
• M8: 4,657,730 km (0.109 R)
• M9: 6,505,712 km (0.061 R)
• M10: 7,310,698 km (0.119 R)
• M11: 7,634,279 km (0.078 R)
• M12: 8,310,311 km (0.114 R)
• M13: 9,164,366 km (0.081 R)
• M14: 9,781,756 km (0.103 R)
• M15: 11,258,736 km (0.11 R)
• M16: 13,836,905 km (0.09 R)
• M17: 15,826,856 km (0.062 R)
• M18: 16,233,015 km (0.076 R)
• M19: 18,667,122 km (0.117 R)
• M20: 19,892,777 km (0.115 R)
• M21: 25,243,145 km (0.09 R)
• M22: 26,645,326 km (0.089 R)
• M23: 27,220,529 km (0.106 R)
• M24: 27,803,961 km (0.037 R)
• M25: 28,197,553 km (0.113 R)
• M26: 29,400,470 km (0.111 R)
• M27: 38,067,273 km (0.026 R)
• M28: 38,674,640 km (0.109 R)
• M29: 40,033,737 km (0.083 R)
• M30: 41,296,642 km (0.038 R)
• M31: 43,240,517 km (0.106 R)
• M32: 44,569,843 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.4

Radius: 3.1

Gravity: 15.96 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 12.3 AU - 19.16 AU

Year: 28483 Days

Day: 16.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,488,966 km

• M1: 38,746 km (0.113 R)
• M2: 139,575 km (0.075 R)
• M3: 1,434,793 km (0.092 R)
• M4: 2,566,202 km (0.12 R)
• M5: 3,145,594 km (0.113 R)
• M6: 3,723,491 km (0.081 R)
• M7: 4,883,024 km (0.114 R)
• M8: 18,014,725 km (0.073 R)
• M9: 19,407,481 km (0.102 R)
• M10: 26,931,506 km (0.077 R)
• M11: 27,036,225 km (0.027 R)
• M12: 30,757,621 km (0.12 R)
• M13: 31,447,866 km (0.114 R)
• M14: 40,553,739 km (0.069 R)
• M15: 43,076,408 km (0.114 R)
• M16: 45,999,849 km (0.115 R)
• M17: 55,728,049 km (0.11 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 14,443 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit