🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.2

Radius: 8.4

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.39 AU - 0.63 AU

Year: 251 Days

Day: 14.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 57,006,058 km

• M1: 105,766 km (0.077 R)
• M2: 537,505 km (0.075 R)
• M3: 1,099,694 km (0.078 R)
• M4: 1,395,599 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.7

Radius: 8.4

Gravity: 12.99 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.87 AU - 2.81 AU

Year: 2471 Days

Day: 7.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,006,058 km

• M1: 104,569 km (0.119 R)
• M2: 726,896 km (0.114 R)
• M3: 1,110,764 km (0.099 R)
• M4: 1,389,615 km (0.097 R)
• M5: 1,670,709 km (0.068 R)
• M6: 2,336,270 km (0.086 R)
• M7: 2,675,708 km (0.102 R)
• M8: 3,836,886 km (0.114 R)
• M9: 4,268,775 km (0.061 R)
• M10: 5,156,788 km (0.051 R)
• M11: 5,554,868 km (0.089 R)
• M12: 7,141,952 km (0.085 R)
• M13: 8,321,382 km (0.098 R)
• M14: 10,819,516 km (0.112 R)
• M15: 11,265,916 km (0.053 R)
• M16: 13,221,310 km (0.034 R)
• M17: 13,498,066 km (0.104 R)
• M18: 14,015,525 km (0.035 R)
• M19: 15,494,300 km (0.041 R)
• M20: 17,128,657 km (0.081 R)
• M21: 17,791,226 km (0.071 R)
• M22: 19,049,942 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.6

Radius: 12.6

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.96 AU - 3.12 AU

Year: 2794 Days

Day: 6 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,006,058 km

• M1: 156,779 km (0.044 R)
• M2: 603,627 km (0.068 R)
• M3: 1,004,849 km (0.091 R)
• M4: 1,566,589 km (0.092 R)
• M5: 2,155,556 km (0.089 R)
• M6: 4,956,626 km (0.051 R)
• M7: 5,880,393 km (0.053 R)
• M8: 6,709,614 km (0.047 R)
• M9: 7,953,969 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.2

Radius: 9.1

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.26 AU - 4.08 AU

Year: 4853 Days

Day: 8.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,006,058 km

• M1: 185,651 km (0.043 R)
• M2: 1,358,648 km (0.111 R)
• M3: 1,786,049 km (0.1 R)
• M4: 2,980,438 km (0.076 R)
• M5: 4,990,585 km (0.097 R)
• M6: 5,511,784 km (0.087 R)
• M7: 6,432,409 km (0.105 R)
• M8: 7,110,985 km (0.114 R)
• M9: 7,706,983 km (0.065 R)
• M10: 8,200,656 km (0.107 R)
• M11: 10,627,433 km (0.081 R)
• M12: 11,156,411 km (0.054 R)
• M13: 13,032,069 km (0.105 R)
• M14: 17,960,870 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.7

Radius: 12.1

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.72 AU - 3.8 AU

Year: 5033 Days

Day: 6.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,006,058 km

• M1: 152,141 km (0.117 R)
• M2: 680,970 km (0.115 R)
• M3: 1,159,533 km (0.053 R)
• M4: 1,540,110 km (0.11 R)
• M5: 2,155,855 km (0.041 R)
• M6: 4,496,613 km (0.084 R)
• M7: 5,610,967 km (0.116 R)
• M8: 6,105,239 km (0.075 R)
• M9: 8,184,350 km (0.066 R)
• M10: 8,862,327 km (0.087 R)
• M11: 9,751,238 km (0.116 R)
• M12: 10,285,302 km (0.109 R)
• M13: 11,509,761 km (0.103 R)
• M14: 12,828,915 km (0.118 R)
• M15: 13,308,376 km (0.052 R)
• M16: 14,190,106 km (0.105 R)
• M17: 14,934,954 km (0.076 R)
• M18: 17,781,203 km (0.035 R)
• M19: 18,647,075 km (0.113 R)
• M20: 21,937,929 km (0.114 R)
• M21: 29,553,209 km (0.115 R)
• M22: 33,496,459 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.9

Radius: 7.3

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 8.45 AU - 9.25 AU

Year: 18173 Days

Day: 22.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,006,058 km

• M1: 108,608 km (0.049 R)
• M2: 633,098 km (0.088 R)
• M3: 1,126,173 km (0.057 R)
• M4: 2,790,748 km (0.101 R)
• M5: 3,044,466 km (0.098 R)
• M6: 3,927,991 km (0.094 R)
• M7: 5,038,905 km (0.048 R)
• M8: 14,871,375 km (0.078 R)
• M9: 15,577,327 km (0.105 R)
• M10: 19,362,752 km (0.084 R)
• M11: 20,289,660 km (0.068 R)
• M12: 21,600,885 km (0.086 R)
• M13: 22,597,806 km (0.117 R)
• M14: 23,247,808 km (0.116 R)
• M15: 24,198,054 km (0.108 R)
• M16: 29,013,460 km (0.086 R)
• M17: 34,187,452 km (0.067 R)
• M18: 36,165,884 km (0.054 R)
• M19: 42,277,405 km (0.078 R)
• M20: 49,507,471 km (0.098 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 17,831 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit