🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.5

Radius: 11.6

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.78 AU - 1.22 AU

Year: 636 Days

Day: 13.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,200,476 km

• M1: 144,512 km (0.093 R)
• M2: 595,699 km (0.1 R)
• M3: 997,070 km (0.09 R)
• M4: 1,408,015 km (0.046 R)
• M5: 1,951,504 km (0.079 R)
• M6: 2,334,176 km (0.111 R)
• M7: 2,778,930 km (0.1 R)
• M8: 3,267,217 km (0.032 R)
• M9: 4,562,286 km (0.086 R)
• M10: 5,033,520 km (0.081 R)
• M11: 5,518,516 km (0.111 R)
• M12: 6,173,455 km (0.088 R)
• M13: 7,342,263 km (0.114 R)
• M14: 7,778,640 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.5

Radius: 13.5

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.97 AU - 1.27 AU

Year: 754 Days

Day: 9.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,200,476 km

• M1: 167,849 km (0.064 R)
• M2: 614,997 km (0.087 R)
• M3: 1,796,521 km (0.052 R)
• M4: 2,338,664 km (0.081 R)
• M5: 2,939,299 km (0.09 R)
• M6: 3,526,620 km (0.085 R)
• M7: 4,175,576 km (0.119 R)
• M8: 5,029,331 km (0.087 R)
• M9: 6,120,498 km (0.051 R)
• M10: 7,602,564 km (0.114 R)
• M11: 8,902,719 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.3

Radius: 12.2

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.18 AU - 1.34 AU

Year: 899 Days

Day: 7.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,200,476 km

• M1: 151,842 km (0.112 R)
• M2: 542,741 km (0.089 R)
• M3: 984,354 km (0.119 R)
• M4: 1,433,148 km (0.116 R)
• M5: 1,961,976 km (0.11 R)
• M6: 3,000,335 km (0.102 R)
• M7: 3,754,757 km (0.041 R)
• M8: 4,308,568 km (0.118 R)
• M9: 5,118,940 km (0.054 R)
• M10: 5,821,900 km (0.096 R)
• M11: 6,677,600 km (0.076 R)
• M12: 7,301,274 km (0.082 R)
• M13: 8,348,459 km (0.073 R)
• M14: 9,351,662 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.4

Radius: 10.5

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.85 AU - 2.15 AU

Year: 1798 Days

Day: 10 Hours

Environment

Temp: -187 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 19,200,476 km

• M1: 130,599 km (0.082 R)
• M2: 462,557 km (0.118 R)
• M3: 805,884 km (0.103 R)
• M4: 1,559,558 km (0.12 R)
• M5: 2,138,202 km (0.072 R)
• M6: 2,497,237 km (0.066 R)
• M7: 3,385,849 km (0.066 R)
• M8: 3,998,751 km (0.096 R)
• M9: 4,360,030 km (0.058 R)
• M10: 4,723,553 km (0.103 R)
• M11: 6,217,736 km (0.088 R)
• M12: 6,704,378 km (0.098 R)
• M13: 7,348,397 km (0.041 R)
• M14: 7,977,007 km (0.068 R)
• M15: 8,581,682 km (0.057 R)
• M16: 9,372,606 km (0.089 R)
• M17: 10,112,068 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.8

Radius: 14.9

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.61 AU - 2.87 AU

Year: 2884 Days

Day: 9.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 19,200,476 km

• M1: 185,950 km (0.063 R)
• M2: 724,951 km (0.114 R)
• M3: 1,286,392 km (0.097 R)
• M4: 2,616,616 km (0.066 R)
• M5: 3,321,821 km (0.034 R)
• M6: 4,302,884 km (0.066 R)
• M7: 5,573,717 km (0.107 R)
• M8: 7,491,113 km (0.052 R)
• M9: 8,117,031 km (0.074 R)
• M10: 12,589,558 km (0.065 R)
• M11: 14,205,515 km (0.03 R)
• M12: 15,166,831 km (0.112 R)
• M13: 18,548,490 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.1

Radius: 8.9

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.79 AU - 6.35 AU

Year: 9509 Days

Day: 8.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 100.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,200,476 km

• M1: 110,852 km (0.11 R)
• M2: 528,978 km (0.088 R)
• M3: 1,287,439 km (0.085 R)
• M4: 1,709,904 km (0.096 R)
• M5: 2,098,709 km (0.11 R)
• M6: 3,032,947 km (0.095 R)
• M7: 3,311,199 km (0.112 R)
• M8: 3,812,951 km (0.109 R)
• M9: 4,481,204 km (0.074 R)
• M10: 5,661,681 km (0.107 R)
• M11: 7,486,625 km (0.099 R)
• M12: 9,378,889 km (0.061 R)
• M13: 10,331,827 km (0.09 R)
• M14: 15,875,924 km (0.075 R)
• M15: 16,936,125 km (0.115 R)
• M16: 41,422,005 km (0.098 R)
• M17: 43,019,261 km (0.115 R)
• M18: 45,771,862 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 14.5

Radius: 3.3

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 8.44 AU - 9.74 AU

Year: 17425 Days

Day: 22.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,200,476 km

• M1: 40,990 km (0.11 R)
• M2: 170,392 km (0.12 R)
• M3: 435,180 km (0.032 R)
• M4: 891,005 km (0.118 R)
• M5: 1,553,723 km (0.107 R)
• M6: 2,004,911 km (0.11 R)
• M7: 2,120,400 km (0.051 R)
• M8: 5,855,261 km (0.107 R)
• M9: 7,222,136 km (0.071 R)
• M10: 7,742,139 km (0.053 R)
• M11: 18,129,018 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 19,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit