🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.63 AU - 0.69 AU

Year: 352 Days

Day: 36.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,113,736 km

• M1: 336,894 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.4

Radius: 14.4

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.94 AU - 1.02 AU

Year: 636 Days

Day: 15 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,113,736 km

• M1: 179,069 km (0.091 R)
• M2: 664,813 km (0.093 R)
• M3: 1,126,472 km (0.053 R)
• M4: 1,759,271 km (0.101 R)
• M5: 2,220,481 km (0.102 R)
• M6: 2,731,208 km (0.109 R)
• M7: 3,370,440 km (0.1 R)
• M8: 4,022,836 km (0.118 R)
• M9: 4,838,743 km (0.104 R)
• M10: 5,442,071 km (0.093 R)
• M11: 6,699,741 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420

Radius: 11.5

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.25 AU - 1.37 AU

Year: 984 Days

Day: 9 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,113,736 km

• M1: 143,464 km (0.09 R)
• M2: 518,357 km (0.107 R)
• M3: 900,130 km (0.103 R)
• M4: 1,464,563 km (0.112 R)
• M5: 2,099,157 km (0.12 R)
• M6: 2,486,616 km (0.09 R)
• M7: 2,873,925 km (0.068 R)
• M8: 3,368,196 km (0.058 R)
• M9: 3,830,304 km (0.058 R)
• M10: 4,545,232 km (0.117 R)
• M11: 5,004,946 km (0.045 R)
• M12: 5,514,477 km (0.118 R)
• M13: 6,220,130 km (0.071 R)
• M14: 6,919,051 km (0.081 R)
• M15: 7,575,935 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.5

Radius: 8.4

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.44 AU - 3.28 AU

Year: 3173 Days

Day: 9 Hours

Environment

Temp: -201 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,113,736 km

• M1: 108,608 km (0.049 R)
• M2: 434,881 km (0.042 R)
• M3: 890,257 km (0.071 R)
• M4: 1,363,435 km (0.047 R)
• M5: 1,630,916 km (0.106 R)
• M6: 2,563,210 km (0.055 R)
• M7: 3,358,921 km (0.101 R)
• M8: 3,716,011 km (0.06 R)
• M9: 4,529,076 km (0.04 R)
• M10: 5,157,985 km (0.1 R)
• M11: 5,430,552 km (0.082 R)
• M12: 5,738,724 km (0.081 R)
• M13: 6,085,641 km (0.066 R)
• M14: 6,940,294 km (0.091 R)
• M15: 8,573,454 km (0.08 R)
• M16: 9,424,516 km (0.079 R)
• M17: 10,330,631 km (0.071 R)
• M18: 11,627,794 km (0.054 R)
• M19: 13,444,061 km (0.111 R)
• M20: 15,238,787 km (0.098 R)
• M21: 16,220,000 km (0.06 R)
• M22: 19,237,837 km (0.105 R)
• M23: 19,956,057 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.1

Radius: 8.2

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.61 AU - 5.49 AU

Year: 6367 Days

Day: 6.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 34,113,736 km

• M1: 102,026 km (0.099 R)
• M2: 378,034 km (0.093 R)
• M3: 799,900 km (0.042 R)
• M4: 1,210,247 km (0.059 R)
• M5: 2,020,020 km (0.091 R)
• M6: 2,440,839 km (0.109 R)
• M7: 2,881,704 km (0.11 R)
• M8: 3,831,201 km (0.116 R)
• M9: 4,788,029 km (0.086 R)
• M10: 5,279,907 km (0.099 R)
• M11: 6,396,805 km (0.11 R)
• M12: 7,736,753 km (0.109 R)
• M13: 8,570,312 km (0.104 R)
• M14: 9,090,165 km (0.091 R)
• M15: 10,640,298 km (0.046 R)
• M16: 11,477,897 km (0.089 R)
• M17: 11,815,389 km (0.093 R)
• M18: 12,109,798 km (0.072 R)
• M19: 14,310,233 km (0.117 R)
• M20: 15,917,363 km (0.1 R)
• M21: 17,074,054 km (0.111 R)
• M22: 17,641,179 km (0.027 R)
• M23: 17,961,618 km (0.106 R)
• M24: 18,351,320 km (0.092 R)
• M25: 18,812,979 km (0.115 R)
• M26: 21,022,989 km (0.072 R)
• M27: 25,135,285 km (0.065 R)
• M28: 26,116,946 km (0.104 R)
• M29: 27,208,861 km (0.114 R)
• M30: 28,859,224 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.2

Radius: 13.8

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.88 AU - 6.12 AU

Year: 7334 Days

Day: 6.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,113,736 km

• M1: 178,021 km (0.077 R)
• M2: 712,834 km (0.048 R)
• M3: 3,535,596 km (0.097 R)
• M4: 6,256,482 km (0.1 R)
• M5: 6,955,254 km (0.111 R)
• M6: 7,929,884 km (0.092 R)
• M7: 9,496,024 km (0.115 R)
• M8: 11,452,465 km (0.108 R)
• M9: 11,943,595 km (0.099 R)
• M10: 13,126,764 km (0.078 R)
• M11: 15,075,426 km (0.09 R)
• M12: 19,748,714 km (0.081 R)
• M13: 22,451,349 km (0.068 R)
• M14: 28,670,133 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.3

Radius: 9.2

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.99 AU - 6.07 AU

Year: 8531 Days

Day: 7.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,113,736 km

• M1: 114,592 km (0.06 R)
• M2: 424,858 km (0.062 R)
• M3: 1,023,249 km (0.118 R)
• M4: 1,336,208 km (0.07 R)
• M5: 1,700,629 km (0.116 R)
• M6: 2,874,523 km (0.082 R)
• M7: 3,212,614 km (0.097 R)
• M8: 4,704,554 km (0.106 R)
• M9: 6,956,151 km (0.029 R)
• M10: 10,385,982 km (0.108 R)
• M11: 10,994,696 km (0.116 R)
• M12: 14,804,953 km (0.114 R)
• M13: 17,718,671 km (0.06 R)
• M14: 23,761,228 km (0.057 R)
• M15: 25,231,925 km (0.094 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: 440 - 11,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit