🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.3

Radius: 10.9

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.67 AU - 0.97 AU

Year: 504 Days

Day: 11 Hours

Environment

Temp: -164 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,551,856 km

• M1: 135,536 km (0.118 R)
• M2: 555,457 km (0.078 R)
• M3: 921,972 km (0.066 R)
• M4: 1,271,731 km (0.074 R)
• M5: 2,338,215 km (0.059 R)
• M6: 2,897,561 km (0.058 R)
• M7: 3,855,736 km (0.063 R)
• M8: 4,949,446 km (0.086 R)
• M9: 5,543,050 km (0.109 R)
• M10: 5,892,959 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.4

Radius: 11

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.92 AU - 0.96 AU

Year: 618 Days

Day: 12.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,551,856 km

• M1: 136,732 km (0.066 R)
• M2: 591,211 km (0.081 R)
• M3: 982,409 km (0.106 R)
• M4: 1,506,301 km (0.041 R)
• M5: 2,360,355 km (0.101 R)
• M6: 3,174,317 km (0.062 R)
• M7: 3,565,067 km (0.05 R)
• M8: 4,181,260 km (0.096 R)
• M9: 5,425,466 km (0.037 R)
• M10: 6,064,698 km (0.095 R)
• M11: 6,901,548 km (0.087 R)
• M12: 7,584,163 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.2

Radius: 8.9

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.34 AU - 1.58 AU

Year: 1197 Days

Day: 5.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,551,856 km

• M1: 110,852 km (0.12 R)
• M2: 395,836 km (0.099 R)
• M3: 741,557 km (0.072 R)
• M4: 1,146,817 km (0.062 R)
• M5: 1,488,349 km (0.113 R)
• M6: 1,773,333 km (0.107 R)
• M7: 2,095,268 km (0.079 R)
• M8: 2,522,220 km (0.112 R)
• M9: 3,537,242 km (0.042 R)
• M10: 4,449,340 km (0.099 R)
• M11: 4,820,642 km (0.101 R)
• M12: 6,202,926 km (0.111 R)
• M13: 7,245,324 km (0.12 R)
• M14: 7,808,261 km (0.109 R)
• M15: 8,299,540 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.6

Radius: 13.2

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.43 AU - 1.49 AU

Year: 1197 Days

Day: 10.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 51.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 18,551,856 km

• M1: 164,109 km (0.04 R)
• M2: 763,697 km (0.1 R)
• M3: 1,189,303 km (0.085 R)
• M4: 1,638,695 km (0.076 R)
• M5: 2,119,503 km (0.078 R)
• M6: 2,634,119 km (0.091 R)
• M7: 3,887,301 km (0.106 R)
• M8: 4,366,612 km (0.073 R)
• M9: 4,941,367 km (0.068 R)
• M10: 5,505,501 km (0.119 R)
• M11: 6,488,658 km (0.101 R)
• M12: 6,951,215 km (0.054 R)
• M13: 7,460,745 km (0.073 R)
• M14: 7,969,079 km (0.065 R)
• M15: 8,500,450 km (0.107 R)
• M16: 9,255,171 km (0.089 R)
• M17: 9,782,953 km (0.041 R)
• M18: 10,643,889 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.5

Radius: 8.6

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.81 AU - 2.45 AU

Year: 2108 Days

Day: 5.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,551,856 km

• M1: 118,482 km (0.112 R)
• M2: 545,135 km (0.096 R)
• M3: 1,198,728 km (0.025 R)
• M4: 1,590,225 km (0.05 R)
• M5: 1,913,656 km (0.079 R)
• M6: 2,848,194 km (0.083 R)
• M7: 3,242,983 km (0.109 R)
• M8: 3,612,489 km (0.083 R)
• M9: 3,960,753 km (0.082 R)
• M10: 4,279,397 km (0.091 R)
• M11: 5,006,742 km (0.104 R)
• M12: 5,279,907 km (0.104 R)
• M13: 5,687,561 km (0.106 R)
• M14: 7,456,706 km (0.043 R)
• M15: 10,017,522 km (0.091 R)
• M16: 10,547,847 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248

Radius: 11

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.19 AU - 2.73 AU

Year: 2617 Days

Day: 9.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,551,856 km

• M1: 136,882 km (0.108 R)
• M2: 715,078 km (0.111 R)
• M3: 1,389,615 km (0.036 R)
• M4: 1,846,187 km (0.098 R)
• M5: 2,452,059 km (0.06 R)
• M6: 2,837,273 km (0.118 R)
• M7: 3,597,530 km (0.117 R)
• M8: 4,225,392 km (0.057 R)
• M9: 5,069,423 km (0.088 R)
• M10: 7,223,034 km (0.089 R)
• M11: 9,125,470 km (0.119 R)
• M12: 9,992,839 km (0.037 R)
• M13: 10,497,881 km (0.115 R)
• M14: 11,126,342 km (0.104 R)
• M15: 11,965,735 km (0.085 R)
• M16: 12,458,511 km (0.092 R)
• M17: 13,283,094 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.2

Radius: 12.3

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.37 AU - 2.91 AU

Year: 2909 Days

Day: 10 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 18,551,856 km

• M1: 153,039 km (0.111 R)
• M2: 556,803 km (0.032 R)
• M3: 1,062,444 km (0.063 R)
• M4: 1,625,979 km (0.097 R)
• M5: 2,200,435 km (0.076 R)
• M6: 2,607,940 km (0.117 R)
• M7: 4,207,141 km (0.116 R)
• M8: 5,490,840 km (0.06 R)
• M9: 5,989,300 km (0.106 R)
• M10: 6,463,825 km (0.091 R)
• M11: 7,578,479 km (0.033 R)
• M12: 8,985,297 km (0.11 R)
• M13: 13,655,443 km (0.118 R)
• M14: 14,762,168 km (0.082 R)
• M15: 16,380,368 km (0.078 R)
• M16: 17,101,430 km (0.089 R)
• M17: 17,682,768 km (0.111 R)
• M18: 18,496,730 km (0.113 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: 197 - 12,284 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit