🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.6

Radius: 9.7

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.55 AU - 0.57 AU

Year: 279 Days

Day: 10.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,414,951 km

• M1: 121,324 km (0.084 R)
• M2: 499,358 km (0.114 R)
• M3: 1,059,303 km (0.082 R)
• M4: 1,396,047 km (0.099 R)
• M5: 2,185,774 km (0.115 R)
• M6: 2,813,188 km (0.087 R)
• M7: 3,349,048 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.3

Radius: 8.5

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.53 AU - 0.81 AU

Year: 366 Days

Day: 11.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,414,951 km

• M1: 105,766 km (0.1 R)
• M2: 476,320 km (0.109 R)
• M3: 757,564 km (0.083 R)
• M4: 1,136,345 km (0.112 R)
• M5: 1,561,652 km (0.114 R)
• M6: 1,870,572 km (0.102 R)
• M7: 2,319,964 km (0.065 R)
• M8: 2,621,553 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.1

Radius: 12.7

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.36 AU - 1.42 AU

Year: 1093 Days

Day: 13.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,414,951 km

• M1: 157,975 km (0.032 R)
• M2: 696,976 km (0.071 R)
• M3: 1,114,504 km (0.098 R)
• M4: 1,632,262 km (0.088 R)
• M5: 2,052,184 km (0.104 R)
• M6: 2,457,594 km (0.081 R)
• M7: 3,091,290 km (0.109 R)
• M8: 3,714,964 km (0.063 R)
• M9: 4,228,833 km (0.03 R)
• M10: 5,124,924 km (0.12 R)
• M11: 6,102,995 km (0.106 R)
• M12: 7,224,530 km (0.102 R)
• M13: 7,931,380 km (0.068 R)
• M14: 8,555,353 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.7

Radius: 14.9

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.4 AU - 1.72 AU

Year: 1299 Days

Day: 8.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,414,951 km

• M1: 185,352 km (0.094 R)
• M2: 774,618 km (0.071 R)
• M3: 1,647,073 km (0.061 R)
• M4: 2,462,082 km (0.095 R)
• M5: 3,503,732 km (0.115 R)
• M6: 4,143,861 km (0.107 R)
• M7: 4,707,695 km (0.119 R)
• M8: 5,447,756 km (0.114 R)
• M9: 6,241,522 km (0.119 R)
• M10: 8,310,461 km (0.064 R)
• M11: 8,855,895 km (0.116 R)
• M12: 9,734,333 km (0.116 R)
• M13: 11,350,290 km (0.098 R)
• M14: 11,878,969 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.6

Radius: 14.4

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.93 AU - 1.95 AU

Year: 1802 Days

Day: 8 Hours

Environment

Temp: -203 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,414,951 km

• M1: 181,761 km (0.078 R)
• M2: 690,993 km (0.065 R)
• M3: 1,150,707 km (0.085 R)
• M4: 1,638,845 km (0.101 R)
• M5: 3,146,492 km (0.115 R)
• M6: 4,162,262 km (0.109 R)
• M7: 5,198,077 km (0.086 R)
• M8: 5,717,631 km (0.086 R)
• M9: 6,421,189 km (0.063 R)
• M10: 7,608,697 km (0.116 R)
• M11: 8,178,815 km (0.083 R)
• M12: 8,965,101 km (0.097 R)
• M13: 9,488,843 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288

Radius: 8.6

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.38 AU - 3.36 AU

Year: 3242 Days

Day: 7.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,414,951 km

• M1: 110,254 km (0.071 R)
• M2: 389,553 km (0.07 R)
• M3: 899,233 km (0.08 R)
• M4: 1,242,261 km (0.077 R)
• M5: 1,800,111 km (0.088 R)
• M6: 2,516,087 km (0.115 R)
• M7: 4,238,108 km (0.091 R)
• M8: 6,211,004 km (0.099 R)
• M9: 7,354,531 km (0.108 R)
• M10: 8,697,022 km (0.082 R)
• M11: 9,632,009 km (0.054 R)
• M12: 10,632,669 km (0.108 R)
• M13: 16,746,135 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.1

Radius: 9.6

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.29 AU - 3.37 AU

Year: 4052 Days

Day: 5.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,414,951 km

• M1: 119,529 km (0.052 R)
• M2: 430,094 km (0.077 R)
• M3: 2,061,907 km (0.1 R)
• M4: 2,965,030 km (0.06 R)
• M5: 4,650,250 km (0.067 R)
• M6: 6,928,326 km (0.041 R)
• M7: 8,473,074 km (0.077 R)
• M8: 9,074,008 km (0.087 R)
• M9: 12,418,718 km (0.088 R)
• M10: 13,046,430 km (0.115 R)
• M11: 14,001,762 km (0.091 R)
• M12: 21,073,104 km (0.081 R)
• M13: 25,947,152 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.5

Radius: 3

Gravity: 23.94 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.56 AU - 7.16 AU

Year: 9460 Days

Day: 18.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 31,414,951 km

• M1: 37,250 km (0.115 R)
• M2: 588,817 km (0.117 R)
• M3: 771,327 km (0.075 R)
• M4: 927,507 km (0.101 R)
• M5: 1,027,438 km (0.096 R)
• M6: 1,196,035 km (0.115 R)
• M7: 1,314,666 km (0.07 R)
• M8: 1,538,165 km (0.095 R)
• M9: 1,772,735 km (0.071 R)
• M10: 1,898,547 km (0.04 R)
• M11: 2,514,740 km (0.089 R)
• M12: 2,993,005 km (0.115 R)
• M13: 3,706,287 km (0.103 R)
• M14: 3,866,058 km (0.051 R)
• M15: 4,474,772 km (0.103 R)
• M16: 5,909,565 km (0.104 R)
• M17: 10,345,142 km (0.071 R)
• M18: 10,525,407 km (0.105 R)
• M19: 11,220,289 km (0.11 R)
• M20: 12,243,688 km (0.113 R)
• M21: 13,702,866 km (0.057 R)
• M22: 14,474,192 km (0.086 R)
• M23: 15,922,599 km (0.094 R)
• M24: 17,148,703 km (0.079 R)
• M25: 18,436,442 km (0.045 R)
• M26: 19,103,798 km (0.111 R)
• M27: 21,934,638 km (0.072 R)
• M28: 22,306,987 km (0.072 R)
• M29: 23,682,540 km (0.061 R)
• M30: 24,153,324 km (0.072 R)
• M31: 29,660,171 km (0.115 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 13,099 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit