🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.1

Radius: 12.7

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.64 AU - 0.94 AU

Year: 461 Days

Day: 7.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,528,505 km

• M1: 157,975 km (0.095 R)
• M2: 637,586 km (0.086 R)
• M3: 1,064,389 km (0.118 R)
• M4: 1,586,785 km (0.106 R)
• M5: 2,005,509 km (0.114 R)
• M6: 2,569,493 km (0.104 R)
• M7: 3,248,518 km (0.118 R)
• M8: 3,665,447 km (0.072 R)
• M9: 4,143,113 km (0.082 R)
• M10: 4,662,367 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.4

Radius: 8.5

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.81 AU - 0.91 AU

Year: 523 Days

Day: 14.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,528,505 km

• M1: 105,766 km (0.088 R)
• M2: 407,654 km (0.116 R)
• M3: 714,629 km (0.071 R)
• M4: 1,241,513 km (0.032 R)
• M5: 1,551,629 km (0.105 R)
• M6: 2,541,817 km (0.076 R)
• M7: 3,807,864 km (0.117 R)
• M8: 5,433,395 km (0.071 R)
• M9: 6,526,806 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.2

Radius: 12.5

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.94 AU - 1.32 AU

Year: 788 Days

Day: 7.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,528,505 km

• M1: 155,881 km (0.09 R)
• M2: 548,875 km (0.044 R)
• M3: 1,169,257 km (0.051 R)
• M4: 1,573,620 km (0.059 R)
• M5: 1,995,785 km (0.086 R)
• M6: 2,985,375 km (0.112 R)
• M7: 3,483,686 km (0.119 R)
• M8: 4,213,125 km (0.112 R)
• M9: 4,719,065 km (0.108 R)
• M10: 5,208,848 km (0.081 R)
• M11: 6,551,190 km (0.112 R)
• M12: 7,398,213 km (0.077 R)
• M13: 8,112,244 km (0.071 R)
• M14: 9,535,368 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.2

Radius: 10.3

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.57 AU - 2.43 AU

Year: 1855 Days

Day: 11 Hours

Environment

Temp: -185 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,528,505 km

• M1: 128,056 km (0.098 R)
• M2: 449,691 km (0.109 R)
• M3: 823,985 km (0.099 R)
• M4: 1,265,897 km (0.111 R)
• M5: 1,753,736 km (0.089 R)
• M6: 2,442,784 km (0.063 R)
• M7: 3,044,466 km (0.114 R)
• M8: 3,606,505 km (0.038 R)
• M9: 4,684,508 km (0.114 R)
• M10: 5,574,465 km (0.094 R)
• M11: 6,846,646 km (0.113 R)
• M12: 8,250,472 km (0.053 R)

Asteroid Belt

Center: 3.96 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.7

Radius: 7.2

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.25 AU - 6.59 AU

Year: 9449 Days

Day: 18.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,528,505 km

• M1: 89,609 km (0.107 R)
• M2: 460,612 km (0.095 R)
• M3: 692,189 km (0.087 R)
• M4: 1,174,343 km (0.11 R)
• M5: 1,946,867 km (0.091 R)
• M6: 2,775,041 km (0.115 R)
• M7: 3,217,551 km (0.081 R)
• M8: 3,509,267 km (0.045 R)
• M9: 3,864,263 km (0.056 R)
• M10: 4,857,443 km (0.078 R)
• M11: 5,214,234 km (0.09 R)
• M12: 5,471,393 km (0.112 R)
• M13: 6,104,491 km (0.113 R)
• M14: 6,886,738 km (0.094 R)
• M15: 8,182,854 km (0.097 R)
• M16: 10,065,842 km (0.112 R)
• M17: 10,331,079 km (0.061 R)
• M18: 16,121,115 km (0.111 R)
• M19: 17,165,009 km (0.032 R)
• M20: 19,591,636 km (0.107 R)
• M21: 20,495,806 km (0.096 R)
• M22: 24,392,232 km (0.096 R)
• M23: 28,052,742 km (0.111 R)
• M24: 30,471,291 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430

Radius: 5.2

Gravity: 15.9 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.64 AU - 8 AU

Year: 11684 Days

Day: 21 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,528,505 km

• M1: 65,075 km (0.075 R)
• M2: 227,538 km (0.075 R)
• M3: 479,760 km (0.085 R)
• M4: 669,899 km (0.059 R)
• M5: 1,139,487 km (0.081 R)
• M6: 1,458,729 km (0.098 R)
• M7: 8,048,814 km (0.069 R)
• M8: 9,354,654 km (0.101 R)
• M9: 13,799,805 km (0.093 R)
• M10: 15,261,227 km (0.118 R)
• M11: 16,405,501 km (0.063 R)
• M12: 20,418,763 km (0.045 R)
• M13: 20,820,433 km (0.093 R)
• M14: 24,405,397 km (0.098 R)
• M15: 25,408,151 km (0.086 R)
• M16: 27,495,341 km (0.117 R)
• M17: 36,988,822 km (0.098 R)
• M18: 37,705,844 km (0.082 R)
• M19: 38,310,369 km (0.079 R)
• M20: 39,290,983 km (0.106 R)
• M21: 40,288,203 km (0.074 R)
• M22: 42,593,356 km (0.12 R)
• M23: 43,249,044 km (0.115 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 18,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit