🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.8

Radius: 9

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.6 AU - 0.74 AU

Year: 366 Days

Day: 6.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,643,878 km

• M1: 111,899 km (0.074 R)
• M2: 429,196 km (0.11 R)
• M3: 739,462 km (0.065 R)
• M4: 1,350,121 km (0.098 R)
• M5: 1,635,703 km (0.084 R)
• M6: 2,429,769 km (0.102 R)
• M7: 2,756,640 km (0.068 R)
• M8: 3,085,755 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.1

Radius: 11

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.71 AU - 0.73 AU

Year: 407 Days

Day: 5.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,643,878 km

• M1: 136,732 km (0.068 R)
• M2: 480,808 km (0.096 R)
• M3: 931,845 km (0.095 R)
• M4: 1,415,345 km (0.082 R)
• M5: 1,939,985 km (0.072 R)
• M6: 2,661,346 km (0.109 R)
• M7: 3,129,587 km (0.098 R)
• M8: 4,041,835 km (0.114 R)
• M9: 6,026,251 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179

Radius: 10.6

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.72 AU - 0.92 AU

Year: 495 Days

Day: 6.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,643,878 km

• M1: 131,796 km (0.114 R)
• M2: 479,611 km (0.094 R)
• M3: 945,159 km (0.052 R)
• M4: 1,287,140 km (0.116 R)
• M5: 1,624,932 km (0.051 R)
• M6: 2,257,881 km (0.103 R)
• M7: 2,614,672 km (0.102 R)
• M8: 3,116,722 km (0.111 R)
• M9: 3,954,919 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.9

Radius: 10.6

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.83 AU - 1.13 AU

Year: 647 Days

Day: 13.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,643,878 km

• M1: 132,095 km (0.084 R)
• M2: 483,201 km (0.065 R)
• M3: 884,572 km (0.113 R)
• M4: 1,444,667 km (0.06 R)
• M5: 1,949,410 km (0.069 R)
• M6: 2,600,011 km (0.081 R)
• M7: 3,056,284 km (0.112 R)
• M8: 3,747,576 km (0.067 R)
• M9: 4,130,846 km (0.036 R)
• M10: 4,992,530 km (0.1 R)
• M11: 6,630,776 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801

Radius: 8.2

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.89 AU - 1.29 AU

Year: 759 Days

Day: 13.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,643,878 km

• M1: 102,774 km (0.102 R)
• M2: 414,835 km (0.111 R)
• M3: 718,818 km (0.064 R)
• M4: 1,025,194 km (0.079 R)
• M5: 1,303,147 km (0.064 R)
• M6: 1,574,817 km (0.078 R)
• M7: 1,839,156 km (0.1 R)
• M8: 2,193,853 km (0.101 R)
• M9: 2,525,960 km (0.05 R)
• M10: 3,016,491 km (0.086 R)
• M11: 3,512,558 km (0.102 R)
• M12: 4,015,207 km (0.119 R)
• M13: 4,718,616 km (0.099 R)
• M14: 5,036,512 km (0.094 R)
• M15: 5,368,619 km (0.11 R)
• M16: 5,995,284 km (0.106 R)
• M17: 6,389,923 km (0.069 R)
• M18: 7,048,304 km (0.093 R)
• M19: 7,394,024 km (0.118 R)
• M20: 7,654,624 km (0.096 R)
• M21: 8,448,241 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.5

Radius: 9.2

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.93 AU - 2.51 AU

Year: 2206 Days

Day: 11.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,643,878 km

• M1: 114,442 km (0.117 R)
• M2: 416,480 km (0.058 R)
• M3: 739,462 km (0.045 R)
• M4: 1,427,164 km (0.097 R)
• M5: 2,061,459 km (0.074 R)
• M6: 2,568,745 km (0.066 R)
• M7: 3,523,030 km (0.108 R)
• M8: 4,526,084 km (0.118 R)
• M9: 5,094,107 km (0.11 R)
• M10: 6,207,414 km (0.078 R)
• M11: 7,009,707 km (0.093 R)
• M12: 7,528,513 km (0.112 R)
• M13: 8,469,334 km (0.11 R)
• M14: 9,209,544 km (0.112 R)
• M15: 10,920,944 km (0.056 R)
• M16: 11,978,451 km (0.037 R)
• M17: 12,644,910 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.5

Radius: 7.9

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.81 AU - 6.83 AU

Year: 9363 Days

Day: 15.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,643,878 km

• M1: 98,286 km (0.113 R)
• M2: 417,976 km (0.031 R)
• M3: 787,034 km (0.087 R)
• M4: 1,307,037 km (0.112 R)
• M5: 2,153,611 km (0.098 R)
• M6: 2,894,868 km (0.097 R)
• M7: 3,845,413 km (0.119 R)
• M8: 4,178,119 km (0.063 R)
• M9: 4,785,037 km (0.119 R)
• M10: 5,449,252 km (0.031 R)
• M11: 6,003,512 km (0.079 R)
• M12: 6,523,365 km (0.095 R)
• M13: 7,339,421 km (0.11 R)
• M14: 8,263,637 km (0.099 R)
• M15: 9,490,938 km (0.108 R)
• M16: 10,885,788 km (0.114 R)
• M17: 12,633,391 km (0.039 R)
• M18: 12,913,587 km (0.087 R)
• M19: 13,312,864 km (0.091 R)
• M20: 13,956,883 km (0.095 R)
• M21: 15,243,724 km (0.025 R)
• M22: 16,742,096 km (0.1 R)
• M23: 17,561,593 km (0.105 R)
• M24: 19,059,666 km (0.089 R)
• M25: 21,344,923 km (0.114 R)
• M26: 25,282,788 km (0.064 R)
• M27: 27,468,862 km (0.067 R)
• M28: 32,422,347 km (0.084 R)
• M29: 36,562,617 km (0.047 R)
• M30: 37,708,088 km (0.115 R)
• M31: 38,523,845 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.6

Radius: 3.8

Gravity: 48.45 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.98 AU - 6.78 AU

Year: 10746 Days

Day: 19.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,643,878 km

• M1: 48,021 km (0.068 R)
• M2: 509,231 km (0.113 R)
• M3: 2,198,042 km (0.084 R)
• M4: 2,589,390 km (0.101 R)
• M5: 3,742,490 km (0.051 R)
• M6: 4,041,985 km (0.089 R)
• M7: 4,813,311 km (0.064 R)
• M8: 6,918,154 km (0.109 R)
• M9: 7,410,630 km (0.107 R)
• M10: 8,058,688 km (0.113 R)
• M11: 10,921,542 km (0.088 R)
• M12: 11,307,355 km (0.119 R)
• M13: 14,527,599 km (0.103 R)
• M14: 14,659,843 km (0.082 R)
• M15: 17,701,168 km (0.12 R)
• M16: 19,328,494 km (0.11 R)
• M17: 19,973,859 km (0.072 R)
• M18: 20,968,685 km (0.116 R)
• M19: 22,083,039 km (0.114 R)
• M20: 24,336,133 km (0.115 R)
• M21: 33,595,643 km (0.064 R)
• M22: 38,301,244 km (0.092 R)
• M23: 38,807,333 km (0.096 R)
• M24: 42,072,008 km (0.08 R)
• M25: 47,087,725 km (0.117 R)
• M26: 49,289,955 km (0.059 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: 539 - 17,630 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit