🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.1

Radius: 11.3

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.52 AU - 0.58 AU

Year: 277 Days

Day: 14.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,290,807 km

• M1: 140,472 km (0.12 R)
• M2: 546,780 km (0.07 R)
• M3: 1,009,337 km (0.098 R)
• M4: 1,392,008 km (0.079 R)
• M5: 1,774,081 km (0.043 R)
• M6: 2,138,352 km (0.085 R)
• M7: 2,756,640 km (0.043 R)
• M8: 3,113,880 km (0.116 R)
• M9: 3,615,781 km (0.031 R)
• M10: 4,222,101 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.5

Radius: 10.5

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.43 AU - 0.71 AU

Year: 292 Days

Day: 12.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,290,807 km

• M1: 130,599 km (0.11 R)
• M2: 480,060 km (0.089 R)
• M3: 1,085,333 km (0.055 R)
• M4: 1,420,581 km (0.12 R)
• M5: 2,034,531 km (0.12 R)
• M6: 2,554,533 km (0.034 R)
• M7: 2,951,865 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.6

Radius: 12.1

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.66 AU - 0.68 AU

Year: 372 Days

Day: 6 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,290,807 km

• M1: 150,645 km (0.096 R)
• M2: 537,655 km (0.05 R)
• M3: 1,078,152 km (0.108 R)
• M4: 1,529,638 km (0.027 R)
• M5: 2,036,177 km (0.077 R)
• M6: 2,663,141 km (0.092 R)
• M7: 3,348,000 km (0.094 R)
• M8: 5,114,302 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379

Radius: 14.4

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.79 AU - 0.87 AU

Year: 513 Days

Day: 5.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,290,807 km

• M1: 179,218 km (0.108 R)
• M2: 774,618 km (0.112 R)
• M3: 1,230,742 km (0.066 R)
• M4: 1,934,899 km (0.07 R)
• M5: 2,395,062 km (0.078 R)
• M6: 2,970,715 km (0.115 R)
• M7: 3,543,525 km (0.091 R)
• M8: 4,021,191 km (0.061 R)
• M9: 5,183,865 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.1

Radius: 8.8

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.93 AU - 1.05 AU

Year: 668 Days

Day: 12.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,290,807 km

• M1: 109,506 km (0.025 R)
• M2: 402,867 km (0.095 R)
• M3: 689,347 km (0.052 R)
• M4: 1,277,715 km (0.098 R)
• M5: 1,615,358 km (0.052 R)
• M6: 1,907,522 km (0.07 R)
• M7: 2,352,576 km (0.079 R)
• M8: 2,797,630 km (0.102 R)
• M9: 3,170,128 km (0.053 R)
• M10: 4,254,713 km (0.114 R)
• M11: 4,693,783 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.5

Radius: 8.1

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.08 AU - 1.68 AU

Year: 1100 Days

Day: 8.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,290,807 km

• M1: 100,679 km (0.104 R)
• M2: 674,986 km (0.078 R)
• M3: 1,719,628 km (0.056 R)
• M4: 2,124,888 km (0.104 R)
• M5: 2,728,665 km (0.118 R)
• M6: 3,835,091 km (0.08 R)
• M7: 4,103,470 km (0.096 R)
• M8: 4,480,905 km (0.066 R)
• M9: 5,658,689 km (0.103 R)
• M10: 6,309,290 km (0.067 R)
• M11: 6,834,528 km (0.097 R)
• M12: 7,618,571 km (0.118 R)
• M13: 8,116,881 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.4

Radius: 12.8

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.63 AU - 1.89 AU

Year: 1584 Days

Day: 7.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,290,807 km

• M1: 159,322 km (0.07 R)
• M2: 607,667 km (0.112 R)
• M3: 1,052,122 km (0.119 R)
• M4: 1,812,079 km (0.065 R)
• M5: 2,453,255 km (0.081 R)
• M6: 3,015,444 km (0.067 R)
• M7: 4,286,727 km (0.061 R)
• M8: 4,694,680 km (0.097 R)
• M9: 8,264,983 km (0.097 R)
• M10: 8,869,658 km (0.093 R)
• M11: 9,471,340 km (0.11 R)
• M12: 10,650,920 km (0.118 R)
• M13: 11,330,992 km (0.117 R)
• M14: 12,738,707 km (0.12 R)
• M15: 14,647,576 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.4

Radius: 8.1

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.85 AU - 6.39 AU

Year: 7858 Days

Day: 9.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,290,807 km

• M1: 100,979 km (0.089 R)
• M2: 480,808 km (0.089 R)
• M3: 908,358 km (0.031 R)
• M4: 1,939,088 km (0.107 R)
• M5: 2,445,327 km (0.097 R)
• M6: 4,396,233 km (0.068 R)
• M7: 6,022,212 km (0.106 R)
• M8: 7,622,909 km (0.093 R)
• M9: 9,758,718 km (0.069 R)
• M10: 11,691,672 km (0.117 R)
• M11: 12,693,679 km (0.101 R)
• M12: 15,109,983 km (0.078 R)
• M13: 19,646,240 km (0.031 R)
• M14: 24,004,175 km (0.114 R)
• M15: 25,015,158 km (0.109 R)
• M16: 28,033,743 km (0.03 R)
• M17: 28,684,045 km (0.053 R)
• M18: 35,642,291 km (0.106 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 19,022 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit