🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.1

Radius: 13

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.59 AU - 0.91 AU

Year: 419 Days

Day: 13.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,728,963 km

• M1: 161,865 km (0.047 R)
• M2: 600,037 km (0.102 R)
• M3: 1,315,713 km (0.045 R)
• M4: 2,071,781 km (0.105 R)
• M5: 3,016,940 km (0.055 R)
• M6: 3,478,749 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.8

Radius: 13.1

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.88 AU - 1.14 AU

Year: 655 Days

Day: 6.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,728,963 km

• M1: 163,062 km (0.07 R)
• M2: 664,813 km (0.037 R)
• M3: 1,180,178 km (0.075 R)
• M4: 1,715,888 km (0.092 R)
• M5: 2,211,356 km (0.098 R)
• M6: 2,657,606 km (0.062 R)
• M7: 3,210,670 km (0.045 R)
• M8: 3,774,653 km (0.039 R)
• M9: 4,821,091 km (0.076 R)
• M10: 5,496,375 km (0.078 R)
• M11: 6,016,527 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.5

Radius: 11.4

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.98 AU - 1.36 AU

Year: 817 Days

Day: 7.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,728,963 km

• M1: 141,819 km (0.11 R)
• M2: 585,227 km (0.111 R)
• M3: 1,011,880 km (0.092 R)
• M4: 2,553,486 km (0.034 R)
• M5: 3,632,984 km (0.078 R)
• M6: 4,490,928 km (0.113 R)
• M7: 4,959,469 km (0.083 R)
• M8: 6,234,940 km (0.096 R)
• M9: 8,244,488 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.5

Radius: 14.5

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.68 AU - 4.3 AU

Year: 5146 Days

Day: 5.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,728,963 km

• M1: 182,061 km (0.032 R)
• M2: 721,062 km (0.089 R)
• M3: 1,271,133 km (0.067 R)
• M4: 1,746,555 km (0.043 R)
• M5: 2,266,109 km (0.078 R)
• M6: 2,800,173 km (0.088 R)
• M7: 3,401,407 km (0.086 R)
• M8: 4,088,211 km (0.098 R)
• M9: 5,109,515 km (0.115 R)
• M10: 5,620,691 km (0.088 R)
• M11: 6,165,975 km (0.062 R)
• M12: 7,805,568 km (0.112 R)
• M13: 8,422,659 km (0.089 R)
• M14: 9,546,738 km (0.096 R)
• M15: 11,070,691 km (0.052 R)
• M16: 11,811,201 km (0.077 R)
• M17: 12,295,748 km (0.107 R)
• M18: 13,304,786 km (0.075 R)
• M19: 15,392,574 km (0.073 R)
• M20: 16,816,297 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.8

Radius: 11

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.81 AU - 4.27 AU

Year: 5243 Days

Day: 7.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 79.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,728,963 km

• M1: 136,882 km (0.064 R)
• M2: 608,863 km (0.068 R)
• M3: 1,054,665 km (0.096 R)
• M4: 1,402,929 km (0.079 R)
• M5: 1,779,467 km (0.084 R)
• M6: 2,137,903 km (0.036 R)
• M7: 2,513,095 km (0.075 R)
• M8: 2,879,759 km (0.097 R)
• M9: 3,701,799 km (0.113 R)
• M10: 5,666,618 km (0.032 R)
• M11: 6,484,768 km (0.03 R)
• M12: 7,822,323 km (0.033 R)
• M13: 8,464,397 km (0.032 R)
• M14: 9,102,731 km (0.1 R)
• M15: 9,854,012 km (0.069 R)
• M16: 10,688,768 km (0.1 R)
• M17: 11,706,482 km (0.03 R)
• M18: 12,168,590 km (0.081 R)
• M19: 12,594,794 km (0.082 R)
• M20: 14,243,961 km (0.11 R)
• M21: 15,093,228 km (0.067 R)
• M22: 17,423,963 km (0.109 R)
• M23: 17,844,632 km (0.084 R)
• M24: 18,395,302 km (0.1 R)
• M25: 20,115,977 km (0.062 R)
• M26: 22,787,196 km (0.108 R)
• M27: 23,654,565 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.9

Radius: 15

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.76 AU - 4.9 AU

Year: 5818 Days

Day: 7.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,728,963 km

• M1: 187,297 km (0.109 R)
• M2: 752,776 km (0.1 R)
• M3: 2,946,480 km (0.103 R)
• M4: 3,640,315 km (0.076 R)
• M5: 4,691,240 km (0.09 R)
• M6: 5,817,263 km (0.071 R)
• M7: 6,685,379 km (0.089 R)
• M8: 9,941,975 km (0.05 R)
• M9: 11,939,107 km (0.107 R)
• M10: 19,659,255 km (0.042 R)
• M11: 20,900,319 km (0.096 R)
• M12: 25,900,927 km (0.106 R)
• M13: 26,556,764 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.1

Radius: 13.4

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.58 AU - 5.74 AU

Year: 8694 Days

Day: 9.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,728,963 km

• M1: 166,802 km (0.063 R)
• M2: 585,526 km (0.042 R)
• M3: 1,036,863 km (0.07 R)
• M4: 1,705,416 km (0.096 R)
• M5: 3,124,651 km (0.12 R)
• M6: 4,404,909 km (0.113 R)
• M7: 6,448,715 km (0.114 R)
• M8: 6,909,028 km (0.083 R)
• M9: 7,660,309 km (0.12 R)
• M10: 9,686,462 km (0.034 R)
• M11: 11,995,804 km (0.044 R)
• M12: 13,250,482 km (0.07 R)
• M13: 13,938,931 km (0.096 R)
• M14: 16,472,820 km (0.103 R)
• M15: 17,404,515 km (0.053 R)
• M16: 19,739,140 km (0.112 R)
• M17: 28,456,806 km (0.11 R)
• M18: 30,980,223 km (0.081 R)
• M19: 32,193,611 km (0.084 R)
• M20: 32,916,019 km (0.107 R)
• M21: 34,823,392 km (0.119 R)
• M22: 36,468,221 km (0.077 R)
• M23: 37,140,364 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.4

Radius: 3

Gravity: 38.38 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.69 AU - 8.67 AU

Year: 13742 Days

Day: 19.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,728,963 km

• M1: 39,943 km (0.057 R)
• M2: 237,711 km (0.094 R)
• M3: 1,348,026 km (0.096 R)
• M4: 1,581,399 km (0.066 R)
• M5: 1,684,921 km (0.091 R)
• M6: 2,747,365 km (0.045 R)
• M7: 4,274,161 km (0.079 R)
• M8: 9,912,953 km (0.106 R)
• M9: 10,523,612 km (0.117 R)
• M10: 11,376,320 km (0.076 R)
• M11: 13,157,582 km (0.108 R)
• M12: 13,769,736 km (0.099 R)
• M13: 15,050,294 km (0.112 R)
• M14: 15,855,579 km (0.086 R)
• M15: 16,478,056 km (0.115 R)
• M16: 18,594,716 km (0.026 R)
• M17: 20,885,508 km (0.086 R)
• M18: 21,970,990 km (0.116 R)
• M19: 24,709,679 km (0.074 R)
• M20: 32,367,743 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.2

Radius: 5.7

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 9.35 AU - 11.43 AU

Year: 21624 Days

Day: 16.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,728,963 km

• M1: 71,657 km (0.091 R)
• M2: 287,378 km (0.063 R)
• M3: 619,186 km (0.074 R)
• M4: 2,113,519 km (0.064 R)
• M5: 5,846,883 km (0.073 R)
• M6: 10,181,631 km (0.117 R)
• M7: 20,996,660 km (0.111 R)
• M8: 26,461,619 km (0.105 R)
• M9: 36,324,457 km (0.102 R)
• M10: 40,846,053 km (0.084 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: 272 - 11,026 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit