🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.1

Radius: 12.3

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.41 AU - 0.67 AU

Year: 279 Days

Day: 7.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 109.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 25,635,829 km

• M1: 153,039 km (0.097 R)
• M2: 540,946 km (0.119 R)
• M3: 939,774 km (0.077 R)
• M4: 1,391,559 km (0.089 R)
• M5: 2,108,732 km (0.097 R)
• M6: 2,804,362 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.4

Radius: 10

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.45 AU - 0.63 AU

Year: 279 Days

Day: 7.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 25,635,829 km

• M1: 124,765 km (0.038 R)
• M2: 462,407 km (0.047 R)
• M3: 800,947 km (0.096 R)
• M4: 1,121,535 km (0.109 R)
• M5: 1,475,633 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20

Radius: 9.3

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.56 AU - 0.74 AU

Year: 368 Days

Day: 8.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 25,635,829 km

• M1: 115,938 km (0.114 R)
• M2: 618,886 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.8

Radius: 8.8

Gravity: 11.12 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.66 AU - 0.82 AU

Year: 447 Days

Day: 5.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 113.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,635,829 km

• M1: 109,506 km (0.084 R)
• M2: 398,678 km (0.112 R)
• M3: 877,541 km (0.095 R)
• M4: 1,158,486 km (0.105 R)
• M5: 1,571,526 km (0.057 R)
• M6: 2,196,845 km (0.053 R)
• M7: 2,665,086 km (0.039 R)
• M8: 3,151,279 km (0.052 R)
• M9: 3,748,175 km (0.11 R)
• M10: 4,258,004 km (0.11 R)
• M11: 4,643,518 km (0.085 R)
• M12: 5,315,362 km (0.111 R)
• M13: 6,235,239 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.9

Radius: 8.7

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.79 AU - 1.19 AU

Year: 692 Days

Day: 6.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,635,829 km

• M1: 108,159 km (0.099 R)
• M2: 379,829 km (0.098 R)
• M3: 819,796 km (0.116 R)
• M4: 1,266,496 km (0.078 R)
• M5: 1,589,328 km (0.111 R)
• M6: 1,976,188 km (0.104 R)
• M7: 2,553,037 km (0.067 R)
• M8: 3,111,785 km (0.085 R)
• M9: 4,114,989 km (0.077 R)
• M10: 5,392,106 km (0.088 R)
• M11: 5,877,850 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.7

Radius: 8

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.7 AU - 2.78 AU

Year: 3188 Days

Day: 5.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,635,829 km

• M1: 99,483 km (0.118 R)
• M2: 411,394 km (0.069 R)
• M3: 681,867 km (0.069 R)
• M4: 1,258,716 km (0.072 R)
• M5: 1,871,170 km (0.096 R)
• M6: 2,353,175 km (0.111 R)
• M7: 2,774,741 km (0.116 R)
• M8: 3,845,712 km (0.052 R)
• M9: 4,713,530 km (0.049 R)
• M10: 5,076,454 km (0.037 R)
• M11: 5,482,463 km (0.073 R)
• M12: 5,731,244 km (0.05 R)
• M13: 6,198,139 km (0.115 R)
• M14: 7,659,710 km (0.059 R)
• M15: 8,066,317 km (0.095 R)
• M16: 8,787,080 km (0.036 R)
• M17: 12,699,962 km (0.052 R)
• M18: 15,771,804 km (0.093 R)
• M19: 16,740,451 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.8

Radius: 11.1

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.7 AU - 2.88 AU

Year: 3276 Days

Day: 11 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,635,829 km

• M1: 138,079 km (0.091 R)
• M2: 493,075 km (0.111 R)
• M3: 888,611 km (0.094 R)
• M4: 1,246,599 km (0.081 R)
• M5: 1,714,990 km (0.031 R)
• M6: 2,537,928 km (0.085 R)
• M7: 2,978,793 km (0.087 R)
• M8: 3,528,415 km (0.083 R)
• M9: 3,973,619 km (0.11 R)
• M10: 4,433,333 km (0.094 R)
• M11: 4,977,570 km (0.049 R)
• M12: 6,002,016 km (0.118 R)
• M13: 7,036,485 km (0.083 R)
• M14: 9,609,419 km (0.1 R)
• M15: 10,158,743 km (0.11 R)
• M16: 10,979,736 km (0.049 R)
• M17: 11,493,156 km (0.052 R)
• M18: 12,338,982 km (0.096 R)
• M19: 13,273,520 km (0.115 R)
• M20: 14,456,390 km (0.07 R)
• M21: 19,897,714 km (0.103 R)
• M22: 22,248,195 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.4

Radius: 8

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.23 AU - 4.03 AU

Year: 4861 Days

Day: 10.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,635,829 km

• M1: 100,231 km (0.071 R)
• M2: 353,350 km (0.115 R)
• M3: 768,484 km (0.092 R)
• M4: 1,320,949 km (0.116 R)
• M5: 2,230,654 km (0.105 R)
• M6: 4,278,948 km (0.097 R)
• M7: 4,928,951 km (0.089 R)
• M8: 5,344,085 km (0.102 R)
• M9: 6,363,893 km (0.093 R)
• M10: 10,573,727 km (0.108 R)
• M11: 23,478,039 km (0.116 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: 204 - 19,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit