🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.3

Radius: 13.8

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.68 AU - 0.7 AU

Year: 376 Days

Day: 14.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 11,652,999 km

• M1: 171,589 km (0.116 R)
• M2: 604,675 km (0.07 R)
• M3: 1,530,386 km (0.114 R)
• M4: 2,107,236 km (0.107 R)
• M5: 2,545,707 km (0.083 R)
• M6: 3,099,219 km (0.114 R)
• M7: 4,341,779 km (0.079 R)
• M8: 4,793,714 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.7

Radius: 14.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.66 AU - 0.76 AU

Year: 392 Days

Day: 9.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 11,652,999 km

• M1: 180,864 km (0.083 R)
• M2: 748,737 km (0.107 R)
• M3: 1,373,009 km (0.113 R)
• M4: 2,098,409 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.7

Radius: 8.7

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.91 AU - 1.07 AU

Year: 646 Days

Day: 14.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 11,652,999 km

• M1: 108,309 km (0.099 R)
• M2: 402,867 km (0.104 R)
• M3: 756,666 km (0.114 R)
• M4: 1,040,004 km (0.086 R)
• M5: 1,385,127 km (0.066 R)
• M6: 1,671,008 km (0.118 R)
• M7: 2,086,442 km (0.087 R)
• M8: 2,357,214 km (0.093 R)
• M9: 2,803,614 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.6

Radius: 9.8

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.77 AU - 2.09 AU

Year: 1759 Days

Day: 9.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 11,652,999 km

• M1: 121,922 km (0.066 R)
• M2: 608,564 km (0.108 R)
• M3: 1,078,002 km (0.099 R)
• M4: 1,388,268 km (0.069 R)
• M5: 1,822,401 km (0.102 R)
• M6: 2,196,845 km (0.1 R)
• M7: 2,554,832 km (0.07 R)
• M8: 2,951,716 km (0.097 R)
• M9: 3,573,145 km (0.078 R)
• M10: 4,165,254 km (0.106 R)
• M11: 4,475,071 km (0.1 R)
• M12: 4,969,043 km (0.104 R)
• M13: 8,764,640 km (0.068 R)
• M14: 9,146,264 km (0.091 R)
• M15: 9,909,064 km (0.117 R)
• M16: 11,261,279 km (0.092 R)
• M17: 11,943,146 km (0.103 R)
• M18: 14,993,297 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.2

Radius: 12

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.42 AU - 2.54 AU

Year: 2562 Days

Day: 14.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 11,652,999 km

• M1: 149,598 km (0.087 R)
• M2: 551,418 km (0.111 R)
• M3: 1,411,007 km (0.078 R)
• M4: 2,631,875 km (0.07 R)
• M5: 3,178,955 km (0.105 R)
• M6: 4,806,879 km (0.107 R)
• M7: 6,008,150 km (0.094 R)
• M8: 6,486,564 km (0.117 R)
• M9: 7,251,906 km (0.079 R)
• M10: 8,996,816 km (0.115 R)
• M11: 9,376,944 km (0.12 R)
• M12: 11,929,383 km (0.106 R)
• M13: 12,903,564 km (0.056 R)
• M14: 15,155,012 km (0.115 R)
• M15: 16,145,201 km (0.108 R)
• M16: 16,811,510 km (0.055 R)
• M17: 17,872,458 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.5

Radius: 8

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.53 AU - 2.95 AU

Year: 2975 Days

Day: 9.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 11,652,999 km

• M1: 99,632 km (0.042 R)
• M2: 542,891 km (0.051 R)
• M3: 867,069 km (0.055 R)
• M4: 1,153,250 km (0.114 R)
• M5: 1,523,355 km (0.089 R)
• M6: 1,887,028 km (0.113 R)
• M7: 2,187,121 km (0.048 R)
• M8: 2,548,250 km (0.072 R)
• M9: 2,948,724 km (0.065 R)
• M10: 4,259,650 km (0.043 R)
• M11: 5,221,564 km (0.098 R)
• M12: 5,817,712 km (0.108 R)
• M13: 6,212,800 km (0.039 R)
• M14: 6,911,122 km (0.083 R)
• M15: 8,039,240 km (0.072 R)
• M16: 8,630,301 km (0.066 R)
• M17: 9,144,768 km (0.108 R)
• M18: 9,752,435 km (0.039 R)
• M19: 10,463,025 km (0.068 R)
• M20: 10,889,827 km (0.075 R)
• M21: 12,671,089 km (0.097 R)
• M22: 15,469,317 km (0.06 R)
• M23: 16,853,397 km (0.082 R)
• M24: 17,332,559 km (0.098 R)
• M25: 17,602,583 km (0.105 R)
• M26: 18,938,492 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90

Radius: 10.1

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.9 AU - 2.98 AU

Year: 3307 Days

Day: 13.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 11,652,999 km

• M1: 136,134 km (0.117 R)
• M2: 482,453 km (0.071 R)
• M3: 830,717 km (0.098 R)
• M4: 1,162,076 km (0.085 R)
• M5: 1,523,804 km (0.109 R)
• M6: 2,703,682 km (0.079 R)
• M7: 3,945,494 km (0.092 R)
• M8: 4,303,931 km (0.068 R)
• M9: 4,988,790 km (0.079 R)
• M10: 5,616,951 km (0.111 R)
• M11: 6,005,457 km (0.118 R)
• M12: 7,055,933 km (0.104 R)
• M13: 8,417,573 km (0.091 R)
• M14: 9,308,279 km (0.067 R)
• M15: 10,165,774 km (0.075 R)
• M16: 10,484,417 km (0.039 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 19,685 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit