🌌 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: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.6

Radius: 10

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.63 AU - 0.97 AU

Year: 469 Days

Day: 14.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,052,966 km

• M1: 124,465 km (0.118 R)
• M2: 809,773 km (0.087 R)
• M3: 1,165,816 km (0.077 R)
• M4: 1,774,081 km (0.106 R)
• M5: 2,469,262 km (0.098 R)
• M6: 2,933,614 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128

Radius: 8.4

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.79 AU - 0.91 AU

Year: 514 Days

Day: 9.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,052,966 km

• M1: 104,419 km (0.073 R)
• M2: 407,804 km (0.057 R)
• M3: 707,448 km (0.103 R)
• M4: 1,012,628 km (0.05 R)
• M5: 1,293,872 km (0.106 R)
• M6: 1,561,353 km (0.11 R)
• M7: 2,055,176 km (0.074 R)
• M8: 2,367,087 km (0.062 R)
• M9: 2,790,299 km (0.054 R)
• M10: 3,394,824 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.4

Radius: 13.8

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.06 AU - 1.1 AU

Year: 736 Days

Day: 14.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,052,966 km

• M1: 171,589 km (0.052 R)
• M2: 644,318 km (0.097 R)
• M3: 1,242,560 km (0.078 R)
• M4: 1,990,250 km (0.084 R)
• M5: 3,114,628 km (0.104 R)
• M6: 3,572,846 km (0.102 R)
• M7: 4,345,669 km (0.079 R)
• M8: 5,260,460 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240

Radius: 9.8

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.23 AU - 1.37 AU

Year: 972 Days

Day: 11.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,052,966 km

• M1: 122,072 km (0.117 R)
• M2: 430,842 km (0.079 R)
• M3: 749,186 km (0.036 R)
• M4: 1,086,829 km (0.104 R)
• M5: 1,402,181 km (0.099 R)
• M6: 1,937,292 km (0.078 R)
• M7: 2,489,907 km (0.097 R)
• M8: 2,933,465 km (0.12 R)
• M9: 3,266,320 km (0.033 R)
• M10: 3,966,139 km (0.102 R)
• M11: 4,329,512 km (0.101 R)
• M12: 4,715,026 km (0.063 R)
• M13: 5,106,673 km (0.063 R)
• M14: 5,698,632 km (0.107 R)
• M15: 6,143,685 km (0.061 R)
• M16: 6,651,720 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.5

Radius: 13.7

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.24 AU - 1.4 AU

Year: 995 Days

Day: 10.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,052,966 km

• M1: 170,392 km (0.09 R)
• M2: 736,770 km (0.08 R)
• M3: 2,018,225 km (0.063 R)
• M4: 2,461,184 km (0.117 R)
• M5: 3,232,361 km (0.08 R)
• M6: 5,274,073 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.8

Radius: 14.4

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.96 AU - 2.22 AU

Year: 1982 Days

Day: 13.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,052,966 km

• M1: 179,667 km (0.094 R)
• M2: 856,448 km (0.076 R)
• M3: 1,463,666 km (0.091 R)
• M4: 2,146,281 km (0.077 R)
• M5: 3,002,280 km (0.099 R)
• M6: 4,345,519 km (0.099 R)
• M7: 4,889,008 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46

Radius: 9.6

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.5 AU - 3.76 AU

Year: 3633 Days

Day: 6 Hours

Environment

Temp: -208 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,052,966 km

• M1: 119,379 km (0.109 R)
• M2: 525,238 km (0.083 R)
• M3: 1,442,423 km (0.105 R)
• M4: 2,354,670 km (0.108 R)
• M5: 3,310,750 km (0.088 R)
• M6: 3,671,431 km (0.097 R)
• M7: 6,639,602 km (0.117 R)
• M8: 8,155,478 km (0.073 R)
• M9: 8,681,613 km (0.05 R)
• M10: 9,541,951 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73

Radius: 12.8

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.05 AU - 4.05 AU

Year: 4388 Days

Day: 10.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,052,966 km

• M1: 160,818 km (0.077 R)
• M2: 608,265 km (0.103 R)
• M3: 1,412,802 km (0.073 R)
• M4: 2,484,821 km (0.115 R)
• M5: 3,525,573 km (0.071 R)
• M6: 5,038,157 km (0.117 R)
• M7: 5,894,754 km (0.081 R)
• M8: 6,453,951 km (0.104 R)
• M9: 6,972,158 km (0.074 R)
• M10: 8,724,997 km (0.063 R)
• M11: 9,390,558 km (0.073 R)
• M12: 9,895,750 km (0.063 R)
• M13: 10,653,612 km (0.039 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.2

Radius: 9.2

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.63 AU - 4.23 AU

Year: 5111 Days

Day: 12.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,052,966 km

• M1: 114,442 km (0.06 R)
• M2: 421,567 km (0.055 R)
• M3: 1,327,831 km (0.109 R)
• M4: 2,220,780 km (0.094 R)
• M5: 4,284,184 km (0.114 R)
• M6: 4,723,254 km (0.115 R)
• M7: 6,484,320 km (0.069 R)
• M8: 7,312,643 km (0.053 R)
• M9: 8,093,993 km (0.085 R)
• M10: 8,445,398 km (0.047 R)
• M11: 11,634,974 km (0.119 R)
• M12: 13,388,561 km (0.109 R)
• M13: 15,017,981 km (0.115 R)
• M14: 16,032,553 km (0.11 R)
• M15: 16,775,606 km (0.066 R)
• M16: 19,419,150 km (0.078 R)
• M17: 20,912,735 km (0.114 R)
• M18: 28,905,001 km (0.101 R)
• M19: 31,132,962 km (0.092 R)
• M20: 32,680,403 km (0.061 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.6

Radius: 4.7

Gravity: 36.74 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 7.83 AU - 8.91 AU

Year: 15885 Days

Day: 17.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,052,966 km

• M1: 58,493 km (0.068 R)
• M2: 325,525 km (0.069 R)
• M3: 516,861 km (0.069 R)
• M4: 679,324 km (0.092 R)
• M5: 833,859 km (0.119 R)
• M6: 1,939,985 km (0.102 R)
• M7: 2,174,106 km (0.047 R)
• M8: 3,224,133 km (0.073 R)
• M9: 3,441,050 km (0.091 R)
• M10: 4,246,336 km (0.116 R)
• M11: 4,408,200 km (0.057 R)
• M12: 4,744,347 km (0.117 R)
• M13: 7,085,404 km (0.095 R)
• M14: 7,406,142 km (0.08 R)
• M15: 10,042,206 km (0.114 R)
• M16: 11,227,171 km (0.097 R)
• M17: 11,600,118 km (0.072 R)
• M18: 13,038,502 km (0.064 R)
• M19: 15,185,979 km (0.117 R)
• M20: 17,641,030 km (0.085 R)
• M21: 20,256,898 km (0.106 R)
• M22: 21,466,696 km (0.081 R)
• M23: 22,331,821 km (0.089 R)
• M24: 35,383,636 km (0.102 R)
• M25: 39,224,113 km (0.081 R)
• M26: 39,508,648 km (0.112 R)
• M27: 44,249,704 km (0.084 R)
• M28: 45,023,125 km (0.114 R)
• M29: 47,882,239 km (0.119 R)
• M30: 52,739,383 km (0.11 R)
• M31: 58,283,480 km (0.062 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 10,954 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit