🌌 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: 761.9

Radius: 12.1

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.48 AU - 0.54 AU

Year: 243 Days

Day: 12.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,899,632 km

• M1: 150,495 km (0.047 R)
• M2: 602,879 km (0.08 R)
• M3: 1,347,129 km (0.117 R)
• M4: 1,871,320 km (0.11 R)
• M5: 2,633,371 km (0.074 R)
• M6: 3,096,676 km (0.1 R)
• M7: 4,045,874 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.9

Radius: 9.8

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.52 AU - 0.7 AU

Year: 318 Days

Day: 7.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,899,632 km

• M1: 121,922 km (0.093 R)
• M2: 491,579 km (0.076 R)
• M3: 932,444 km (0.118 R)
• M4: 1,248,544 km (0.103 R)
• M5: 1,564,195 km (0.109 R)
• M6: 3,122,706 km (0.083 R)
• M7: 3,825,068 km (0.107 R)
• M8: 4,194,276 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.8

Radius: 11.9

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.59 AU - 0.85 AU

Year: 407 Days

Day: 13.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 46,899,632 km

• M1: 148,102 km (0.046 R)
• M2: 565,630 km (0.081 R)
• M3: 1,399,787 km (0.091 R)
• M4: 2,755,593 km (0.108 R)
• M5: 3,158,609 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770

Radius: 14

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.24 AU - 1.32 AU

Year: 966 Days

Day: 6.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,899,632 km

• M1: 174,581 km (0.1 R)
• M2: 758,312 km (0.09 R)
• M3: 1,322,146 km (0.086 R)
• M4: 2,094,669 km (0.061 R)
• M5: 2,929,575 km (0.113 R)
• M6: 3,897,773 km (0.06 R)
• M7: 4,631,700 km (0.057 R)
• M8: 5,318,653 km (0.097 R)
• M9: 6,072,926 km (0.097 R)
• M10: 6,554,481 km (0.077 R)
• M11: 7,204,484 km (0.034 R)
• M12: 7,948,284 km (0.112 R)
• M13: 8,880,279 km (0.032 R)
• M14: 9,387,266 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.2

Radius: 10.5

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.2 AU - 3.56 AU

Year: 3259 Days

Day: 9 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,899,632 km

• M1: 131,945 km (0.074 R)
• M2: 508,483 km (0.052 R)
• M3: 1,098,946 km (0.116 R)
• M4: 1,464,264 km (0.095 R)
• M5: 2,046,798 km (0.073 R)
• M6: 2,595,373 km (0.054 R)
• M7: 3,002,728 km (0.075 R)
• M8: 4,620,929 km (0.076 R)
• M9: 4,985,349 km (0.065 R)
• M10: 7,135,818 km (0.058 R)
• M11: 8,399,172 km (0.107 R)
• M12: 11,281,923 km (0.118 R)
• M13: 15,866,799 km (0.062 R)
• M14: 18,854,268 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.3

Radius: 8.8

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.55 AU - 4.09 AU

Year: 4034 Days

Day: 5.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,899,632 km

• M1: 116,836 km (0.045 R)
• M2: 455,376 km (0.112 R)
• M3: 975,378 km (0.08 R)
• M4: 1,347,727 km (0.075 R)
• M5: 1,640,939 km (0.056 R)
• M6: 2,010,895 km (0.066 R)
• M7: 2,861,807 km (0.1 R)
• M8: 3,551,005 km (0.092 R)
• M9: 4,385,312 km (0.083 R)
• M10: 5,146,765 km (0.078 R)
• M11: 6,590,684 km (0.103 R)
• M12: 6,903,792 km (0.091 R)
• M13: 8,745,342 km (0.119 R)
• M14: 9,679,132 km (0.115 R)
• M15: 10,430,562 km (0.085 R)
• M16: 11,257,389 km (0.091 R)
• M17: 11,934,320 km (0.054 R)
• M18: 13,703,315 km (0.083 R)
• M19: 14,085,687 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.3

Radius: 9.6

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.14 AU - 4.18 AU

Year: 4669 Days

Day: 6.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,899,632 km

• M1: 119,379 km (0.069 R)
• M2: 447,148 km (0.115 R)
• M3: 1,101,040 km (0.082 R)
• M4: 2,861,957 km (0.063 R)
• M5: 3,422,650 km (0.099 R)
• M6: 4,055,000 km (0.05 R)
• M7: 5,173,394 km (0.077 R)
• M8: 7,023,321 km (0.087 R)
• M9: 7,624,405 km (0.101 R)
• M10: 10,208,559 km (0.098 R)
• M11: 11,651,879 km (0.064 R)
• M12: 13,679,977 km (0.061 R)
• M13: 14,247,851 km (0.094 R)
• M14: 14,938,993 km (0.086 R)
• M15: 15,989,320 km (0.076 R)
• M16: 17,746,795 km (0.087 R)
• M17: 21,228,536 km (0.111 R)
• M18: 26,624,831 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330

Radius: 6.4

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.85 AU - 8.33 AU

Year: 13944 Days

Day: 18.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,899,632 km

• M1: 79,586 km (0.082 R)
• M2: 380,876 km (0.103 R)
• M3: 679,474 km (0.093 R)
• M4: 1,163,423 km (0.063 R)
• M5: 2,192,058 km (0.066 R)
• M6: 2,608,388 km (0.102 R)
• M7: 3,623,260 km (0.08 R)
• M8: 3,828,210 km (0.104 R)
• M9: 4,040,788 km (0.102 R)
• M10: 4,756,763 km (0.048 R)
• M11: 5,129,113 km (0.117 R)
• M12: 5,723,914 km (0.092 R)
• M13: 6,326,943 km (0.113 R)
• M14: 7,534,347 km (0.111 R)
• M15: 8,301,934 km (0.107 R)
• M16: 9,744,357 km (0.088 R)
• M17: 12,410,789 km (0.087 R)
• M18: 13,418,181 km (0.074 R)
• M19: 13,662,923 km (0.107 R)
• M20: 14,543,007 km (0.111 R)
• M21: 16,415,674 km (0.081 R)
• M22: 18,746,259 km (0.117 R)
• M23: 22,469,451 km (0.043 R)
• M24: 24,961,751 km (0.032 R)
• M25: 25,706,300 km (0.057 R)
• M26: 30,910,660 km (0.068 R)
• M27: 33,533,260 km (0.09 R)
• M28: 38,843,536 km (0.104 R)
• M29: 41,244,582 km (0.037 R)
• M30: 42,284,586 km (0.05 R)
• M31: 44,281,269 km (0.09 R)
• M32: 45,371,538 km (0.09 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 16,944 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit