🌌 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: 716.7

Radius: 14.6

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.44 AU - 0.68 AU

Year: 284 Days

Day: 5.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,641,468 km

• M1: 181,612 km (0.103 R)
• M2: 650,751 km (0.112 R)
• M3: 1,135,448 km (0.066 R)
• M4: 2,002,367 km (0.091 R)
• M5: 2,723,429 km (0.083 R)
• M6: 3,492,512 km (0.09 R)
• M7: 3,958,958 km (0.09 R)
• M8: 4,441,411 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.4

Radius: 12.8

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.01 AU - 1.69 AU

Year: 1064 Days

Day: 12.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,641,468 km

• M1: 163,361 km (0.09 R)
• M2: 582,534 km (0.104 R)
• M3: 1,215,333 km (0.087 R)
• M4: 1,639,892 km (0.112 R)
• M5: 2,893,372 km (0.116 R)
• M6: 3,293,846 km (0.104 R)
• M7: 4,277,452 km (0.082 R)
• M8: 4,952,438 km (0.088 R)
• M9: 6,469,659 km (0.102 R)
• M10: 10,369,376 km (0.088 R)
• M11: 10,951,462 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.4

Radius: 9.6

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.63 AU - 2.01 AU

Year: 1665 Days

Day: 8.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,641,468 km

• M1: 119,379 km (0.119 R)
• M2: 530,923 km (0.117 R)
• M3: 860,936 km (0.115 R)
• M4: 1,332,319 km (0.113 R)
• M5: 1,813,725 km (0.107 R)
• M6: 2,176,499 km (0.082 R)
• M7: 2,496,788 km (0.096 R)
• M8: 2,910,576 km (0.074 R)
• M9: 3,509,716 km (0.033 R)
• M10: 4,318,442 km (0.048 R)
• M11: 5,416,640 km (0.039 R)
• M12: 6,344,745 km (0.083 R)
• M13: 6,669,223 km (0.087 R)
• M14: 7,955,615 km (0.047 R)
• M15: 9,179,774 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.6

Radius: 12.4

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.53 AU - 3.99 AU

Year: 3992 Days

Day: 9.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,641,468 km

• M1: 154,235 km (0.103 R)
• M2: 872,754 km (0.057 R)
• M3: 1,262,307 km (0.073 R)
• M4: 2,090,630 km (0.093 R)
• M5: 3,384,951 km (0.055 R)
• M6: 4,640,975 km (0.087 R)
• M7: 5,156,339 km (0.044 R)
• M8: 5,847,182 km (0.075 R)
• M9: 6,967,072 km (0.118 R)
• M10: 9,435,586 km (0.083 R)
• M11: 10,225,014 km (0.065 R)
• M12: 11,403,696 km (0.069 R)
• M13: 16,303,176 km (0.059 R)
• M14: 18,873,118 km (0.116 R)
• M15: 20,318,981 km (0.068 R)
• M16: 22,520,463 km (0.054 R)
• M17: 23,500,928 km (0.042 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.4

Radius: 6.6

Gravity: 13.55 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.01 AU - 6.65 AU

Year: 10802 Days

Day: 22.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 143.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 26,641,468 km

• M1: 94,097 km (0.099 R)
• M2: 357,090 km (0.106 R)
• M3: 680,670 km (0.052 R)
• M4: 954,135 km (0.054 R)
• M5: 1,168,659 km (0.092 R)
• M6: 1,609,224 km (0.071 R)
• M7: 2,263,416 km (0.057 R)
• M8: 3,036,687 km (0.082 R)
• M9: 3,483,835 km (0.098 R)
• M10: 3,867,255 km (0.068 R)
• M11: 6,630,327 km (0.072 R)
• M12: 8,411,439 km (0.107 R)
• M13: 10,593,474 km (0.103 R)
• M14: 10,963,729 km (0.087 R)
• M15: 12,886,660 km (0.116 R)
• M16: 14,957,693 km (0.073 R)
• M17: 16,809,415 km (0.099 R)
• M18: 20,388,245 km (0.09 R)
• M19: 20,878,776 km (0.043 R)
• M20: 21,968,747 km (0.066 R)
• M21: 22,225,606 km (0.035 R)
• M22: 23,808,800 km (0.1 R)
• M23: 24,444,292 km (0.1 R)
• M24: 30,895,401 km (0.087 R)
• M25: 31,542,561 km (0.105 R)
• M26: 38,271,773 km (0.11 R)
• M27: 38,768,288 km (0.077 R)
• M28: 42,896,142 km (0.12 R)
• M29: 44,790,650 km (0.11 R)
• M30: 45,758,548 km (0.112 R)
• M31: 47,879,397 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.2

Radius: 5

Gravity: 33.81 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.24 AU - 7.68 AU

Year: 12454 Days

Day: 18.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 26,641,468 km

• M1: 74,949 km (0.096 R)
• M2: 349,161 km (0.117 R)
• M3: 620,682 km (0.098 R)
• M4: 1,325,736 km (0.087 R)
• M5: 1,748,949 km (0.106 R)
• M6: 2,357,812 km (0.105 R)
• M7: 2,789,851 km (0.059 R)
• M8: 3,097,873 km (0.051 R)
• M9: 3,350,095 km (0.059 R)
• M10: 4,280,444 km (0.1 R)
• M11: 6,078,012 km (0.113 R)
• M12: 7,947,985 km (0.119 R)
• M13: 8,135,132 km (0.116 R)
• M14: 8,566,572 km (0.075 R)
• M15: 10,115,658 km (0.063 R)
• M16: 11,482,235 km (0.098 R)
• M17: 14,025,698 km (0.1 R)
• M18: 14,997,935 km (0.034 R)
• M19: 20,105,355 km (0.102 R)
• M20: 20,892,988 km (0.111 R)
• M21: 22,999,027 km (0.067 R)
• M22: 23,283,712 km (0.037 R)
• M23: 25,646,909 km (0.062 R)
• M24: 26,365,129 km (0.12 R)
• M25: 30,958,531 km (0.062 R)
• M26: 36,313,686 km (0.098 R)
• M27: 40,990,265 km (0.064 R)
• M28: 41,268,966 km (0.086 R)
• M29: 41,549,013 km (0.102 R)
• M30: 43,834,719 km (0.111 R)
• M31: 44,272,443 km (0.113 R)
• M32: 48,188,915 km (0.101 R)
• M33: 51,192,691 km (0.11 R)
• M34: 56,357,707 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.5

Radius: 4.8

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 8.9 AU - 10.62 AU

Year: 20681 Days

Day: 24.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,641,468 km

• M1: 63,878 km (0.081 R)
• M2: 346,618 km (0.099 R)
• M3: 1,932,206 km (0.116 R)
• M4: 2,837,124 km (0.052 R)
• M5: 3,585,861 km (0.044 R)
• M6: 4,017,152 km (0.076 R)
• M7: 6,303,306 km (0.11 R)
• M8: 6,580,511 km (0.12 R)
• M9: 6,769,902 km (0.118 R)
• M10: 7,806,466 km (0.091 R)
• M11: 9,533,424 km (0.096 R)
• M12: 13,517,065 km (0.094 R)
• M13: 14,716,092 km (0.064 R)
• M14: 21,029,721 km (0.051 R)
• M15: 22,350,221 km (0.117 R)
• M16: 26,482,264 km (0.08 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 14,261 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit