🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.3

Radius: 13.7

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.45 AU - 0.57 AU

Year: 243 Days

Day: 6.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 38,822,358 km

• M1: 170,392 km (0.081 R)
• M2: 596,447 km (0.114 R)
• M3: 1,183,020 km (0.108 R)
• M4: 1,846,935 km (0.093 R)
• M5: 2,497,387 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.4

Radius: 8.5

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.51 AU - 0.65 AU

Year: 295 Days

Day: 12.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,822,358 km

• M1: 105,766 km (0.118 R)
• M2: 438,471 km (0.069 R)
• M3: 725,101 km (0.072 R)
• M4: 1,057,657 km (0.097 R)
• M5: 1,395,000 km (0.076 R)
• M6: 1,796,970 km (0.118 R)
• M7: 2,233,197 km (0.069 R)
• M8: 2,580,414 km (0.082 R)
• M9: 3,064,961 km (0.113 R)
• M10: 3,417,115 km (0.08 R)
• M11: 3,892,387 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.9

Radius: 11.1

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.97 AU - 0.99 AU

Year: 647 Days

Day: 5.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,822,358 km

• M1: 138,079 km (0.117 R)
• M2: 602,131 km (0.1 R)
• M3: 1,173,894 km (0.103 R)
• M4: 2,349,584 km (0.115 R)
• M5: 2,835,029 km (0.031 R)
• M6: 3,723,491 km (0.076 R)
• M7: 5,610,519 km (0.118 R)
• M8: 7,092,136 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.2

Radius: 14.3

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.25 AU - 1.81 AU

Year: 1262 Days

Day: 12.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,822,358 km

• M1: 177,872 km (0.118 R)
• M2: 729,738 km (0.108 R)
• M3: 1,244,505 km (0.081 R)
• M4: 2,336,719 km (0.077 R)
• M5: 3,234,007 km (0.04 R)
• M6: 3,849,901 km (0.094 R)
• M7: 5,068,825 km (0.097 R)
• M8: 6,764,666 km (0.118 R)
• M9: 7,248,017 km (0.108 R)
• M10: 7,825,465 km (0.101 R)
• M11: 8,558,793 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.6

Radius: 10.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.64 AU - 1.7 AU

Year: 1439 Days

Day: 6.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,822,358 km

• M1: 135,536 km (0.077 R)
• M2: 675,883 km (0.089 R)
• M3: 2,217,040 km (0.09 R)
• M4: 2,655,661 km (0.082 R)
• M5: 3,557,587 km (0.084 R)
• M6: 3,968,383 km (0.104 R)
• M7: 4,522,493 km (0.103 R)
• M8: 5,449,850 km (0.081 R)
• M9: 6,478,934 km (0.118 R)
• M10: 7,138,362 km (0.1 R)
• M11: 7,632,932 km (0.081 R)
• M12: 8,030,862 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.6

Radius: 8.6

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.9 AU - 2.24 AU

Year: 1986 Days

Day: 12 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,822,358 km

• M1: 110,254 km (0.109 R)
• M2: 382,223 km (0.086 R)
• M3: 810,820 km (0.105 R)
• M4: 1,093,560 km (0.118 R)
• M5: 1,592,021 km (0.085 R)
• M6: 2,103,346 km (0.119 R)
• M7: 2,398,054 km (0.107 R)
• M8: 3,133,178 km (0.073 R)
• M9: 3,403,800 km (0.042 R)
• M10: 3,794,999 km (0.099 R)
• M11: 4,140,570 km (0.085 R)
• M12: 4,937,179 km (0.096 R)
• M13: 6,023,708 km (0.093 R)
• M14: 6,318,565 km (0.116 R)
• M15: 6,805,357 km (0.115 R)
• M16: 7,372,333 km (0.094 R)
• M17: 8,176,720 km (0.066 R)
• M18: 10,477,984 km (0.092 R)
• M19: 11,456,355 km (0.117 R)
• M20: 11,948,681 km (0.117 R)
• M21: 12,854,197 km (0.097 R)
• M22: 14,103,040 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.8

Radius: 9.3

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.95 AU - 2.37 AU

Year: 2117 Days

Day: 6.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,822,358 km

• M1: 115,789 km (0.077 R)
• M2: 495,019 km (0.051 R)
• M3: 825,780 km (0.033 R)
• M4: 1,211,743 km (0.065 R)
• M5: 2,383,543 km (0.098 R)
• M6: 2,714,005 km (0.069 R)
• M7: 3,090,094 km (0.064 R)
• M8: 3,451,672 km (0.119 R)
• M9: 6,225,515 km (0.047 R)
• M10: 6,701,835 km (0.066 R)
• M11: 7,094,679 km (0.117 R)
• M12: 7,503,081 km (0.053 R)
• M13: 10,120,446 km (0.066 R)
• M14: 11,393,224 km (0.072 R)
• M15: 12,183,251 km (0.061 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.1

Radius: 13

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.14 AU - 2.22 AU

Year: 2146 Days

Day: 10.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,822,358 km

• M1: 161,865 km (0.12 R)
• M2: 1,267,393 km (0.089 R)
• M3: 1,810,733 km (0.081 R)
• M4: 2,718,343 km (0.091 R)
• M5: 3,133,327 km (0.06 R)
• M6: 3,732,018 km (0.098 R)
• M7: 5,100,839 km (0.12 R)
• M8: 6,043,006 km (0.099 R)
• M9: 6,497,484 km (0.104 R)
• M10: 7,197,303 km (0.078 R)
• M11: 7,630,539 km (0.064 R)
• M12: 9,785,346 km (0.048 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.9

Radius: 9.8

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.58 AU - 4.12 AU

Year: 4089 Days

Day: 5.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,822,358 km

• M1: 121,922 km (0.106 R)
• M2: 460,761 km (0.1 R)
• M3: 3,752,513 km (0.081 R)
• M4: 6,260,072 km (0.101 R)
• M5: 7,175,911 km (0.115 R)
• M6: 7,886,650 km (0.05 R)
• M7: 8,925,607 km (0.03 R)
• M8: 9,418,832 km (0.075 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.7

Radius: 12.9

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.69 AU - 5.63 AU

Year: 7816 Days

Day: 12 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,822,358 km

• M1: 160,369 km (0.083 R)
• M2: 736,022 km (0.104 R)
• M3: 1,875,509 km (0.036 R)
• M4: 2,844,604 km (0.102 R)
• M5: 3,754,458 km (0.083 R)
• M6: 6,180,935 km (0.098 R)
• M7: 6,769,902 km (0.104 R)
• M8: 7,472,114 km (0.105 R)
• M9: 9,509,039 km (0.104 R)
• M10: 10,729,010 km (0.098 R)
• M11: 11,478,944 km (0.109 R)
• M12: 13,707,653 km (0.103 R)
• M13: 16,601,773 km (0.063 R)
• M14: 18,366,729 km (0.066 R)
• M15: 20,555,196 km (0.113 R)
• M16: 28,344,907 km (0.078 R)
• M17: 29,391,045 km (0.085 R)
• M18: 34,687,707 km (0.085 R)
• M19: 36,660,305 km (0.096 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 10,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit