🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.7

Radius: 8.2

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.89 AU - 1.35 AU

Year: 754 Days

Day: 5.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,870,753 km

• M1: 102,026 km (0.077 R)
• M2: 393,143 km (0.082 R)
• M3: 793,617 km (0.096 R)
• M4: 1,213,688 km (0.107 R)
• M5: 1,541,905 km (0.035 R)
• M6: 1,834,818 km (0.045 R)
• M7: 2,472,105 km (0.069 R)
• M8: 2,888,286 km (0.06 R)
• M9: 3,479,946 km (0.117 R)
• M10: 4,047,221 km (0.081 R)
• M11: 5,054,164 km (0.088 R)
• M12: 6,258,577 km (0.056 R)
• M13: 6,948,821 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.1

Radius: 12.6

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.36 AU - 1.74 AU

Year: 1227 Days

Day: 5.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,870,753 km

• M1: 156,629 km (0.085 R)
• M2: 617,690 km (0.064 R)
• M3: 1,208,751 km (0.105 R)
• M4: 1,676,095 km (0.087 R)
• M5: 3,127,643 km (0.102 R)
• M6: 3,910,638 km (0.116 R)
• M7: 4,429,593 km (0.086 R)
• M8: 5,014,072 km (0.116 R)
• M9: 5,459,724 km (0.114 R)
• M10: 6,020,566 km (0.085 R)
• M11: 6,501,374 km (0.068 R)
• M12: 7,057,280 km (0.105 R)
• M13: 8,099,827 km (0.089 R)
• M14: 8,947,299 km (0.106 R)
• M15: 10,041,009 km (0.066 R)
• M16: 10,851,830 km (0.119 R)
• M17: 12,023,779 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.4

Radius: 13

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.6 AU - 4.32 AU

Year: 4092 Days

Day: 6.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,870,753 km

• M1: 169,345 km (0.064 R)
• M2: 582,235 km (0.112 R)
• M3: 1,063,491 km (0.052 R)
• M4: 2,658,653 km (0.082 R)
• M5: 3,744,883 km (0.069 R)
• M6: 5,132,853 km (0.07 R)
• M7: 8,182,704 km (0.036 R)
• M8: 8,972,282 km (0.079 R)
• M9: 9,423,918 km (0.089 R)
• M10: 14,817,819 km (0.107 R)
• M11: 20,783,931 km (0.095 R)
• M12: 22,321,498 km (0.114 R)
• M13: 24,221,990 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.2

Radius: 11.3

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.15 AU - 4.57 AU

Year: 5788 Days

Day: 6.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 22,870,753 km

• M1: 163,361 km (0.048 R)
• M2: 561,740 km (0.102 R)
• M3: 1,203,066 km (0.074 R)
• M4: 1,606,532 km (0.092 R)
• M5: 2,070,135 km (0.111 R)
• M6: 2,905,041 km (0.098 R)
• M7: 3,784,826 km (0.106 R)
• M8: 4,561,538 km (0.116 R)
• M9: 5,471,692 km (0.089 R)
• M10: 6,532,939 km (0.082 R)
• M11: 8,234,615 km (0.115 R)
• M12: 9,318,003 km (0.113 R)
• M13: 10,731,104 km (0.103 R)
• M14: 11,463,984 km (0.096 R)
• M15: 12,177,865 km (0.102 R)
• M16: 12,759,352 km (0.101 R)
• M17: 13,920,979 km (0.098 R)
• M18: 15,272,596 km (0.108 R)
• M19: 15,762,679 km (0.085 R)
• M20: 17,296,207 km (0.056 R)
• M21: 17,694,586 km (0.1 R)
• M22: 18,926,823 km (0.096 R)
• M23: 20,215,459 km (0.1 R)
• M24: 23,936,706 km (0.113 R)
• M25: 27,278,573 km (0.096 R)
• M26: 27,909,577 km (0.106 R)
• M27: 29,107,407 km (0.114 R)
• M28: 31,016,725 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.2

Radius: 12.8

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.13 AU - 6.25 AU

Year: 7518 Days

Day: 12.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,870,753 km

• M1: 159,172 km (0.117 R)
• M2: 756,516 km (0.099 R)
• M3: 1,253,780 km (0.085 R)
• M4: 2,660,748 km (0.107 R)
• M5: 3,324,813 km (0.12 R)
• M6: 4,035,103 km (0.036 R)
• M7: 5,202,266 km (0.076 R)
• M8: 5,707,159 km (0.113 R)
• M9: 6,904,241 km (0.068 R)
• M10: 8,095,638 km (0.116 R)
• M11: 9,273,871 km (0.072 R)
• M12: 9,791,181 km (0.077 R)
• M13: 14,016,722 km (0.035 R)
• M14: 18,274,876 km (0.103 R)
• M15: 19,867,196 km (0.109 R)
• M16: 21,041,988 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15.9

Radius: 6.6

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.4 AU - 12.6 AU

Year: 21633 Days

Day: 17.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,870,753 km

• M1: 85,271 km (0.043 R)
• M2: 1,906,625 km (0.116 R)
• M3: 2,329,239 km (0.114 R)
• M4: 2,714,154 km (0.087 R)
• M5: 5,153,647 km (0.104 R)
• M6: 7,765,326 km (0.102 R)
• M7: 9,773,229 km (0.12 R)
• M8: 12,464,046 km (0.091 R)
• M9: 12,971,631 km (0.102 R)
• M10: 19,191,761 km (0.112 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 14,533 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit