🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.51 AU - 0.61 AU

Year: 266 Days

Day: 23.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.4

Radius: 8.3

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.97 AU - 1.27 AU

Year: 754 Days

Day: 8.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 112 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,745,581 km

• M1: 105,616 km (0.116 R)
• M2: 381,026 km (0.118 R)
• M3: 673,789 km (0.077 R)
• M4: 1,134,550 km (0.113 R)
• M5: 1,455,587 km (0.069 R)
• M6: 1,759,271 km (0.098 R)
• M7: 2,474,648 km (0.116 R)
• M8: 2,803,314 km (0.088 R)
• M9: 3,251,659 km (0.114 R)
• M10: 3,863,963 km (0.116 R)
• M11: 5,390,610 km (0.091 R)
• M12: 6,580,661 km (0.117 R)
• M13: 6,903,792 km (0.102 R)
• M14: 7,396,867 km (0.092 R)
• M15: 7,675,568 km (0.091 R)
• M16: 8,058,089 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.6

Radius: 10.7

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.94 AU - 3.98 AU

Year: 4092 Days

Day: 8.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,745,581 km

• M1: 135,087 km (0.052 R)
• M2: 681,269 km (0.054 R)
• M3: 1,565,841 km (0.086 R)
• M4: 2,068,340 km (0.052 R)
• M5: 2,475,246 km (0.088 R)
• M6: 3,296,389 km (0.1 R)
• M7: 3,893,733 km (0.119 R)
• M8: 4,269,523 km (0.112 R)
• M9: 5,376,248 km (0.076 R)
• M10: 7,030,950 km (0.11 R)
• M11: 11,119,311 km (0.069 R)
• M12: 13,729,195 km (0.057 R)
• M13: 15,962,093 km (0.093 R)
• M14: 17,138,530 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817.5

Radius: 3.4

Gravity: 70.72 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 6.44 AU - 10.42 AU

Year: 15562 Days

Day: 24.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 53,745,581 km

• M1: 42,336 km (0.103 R)
• M2: 206,445 km (0.072 R)
• M3: 383,419 km (0.102 R)
• M4: 517,758 km (0.08 R)
• M5: 711,039 km (0.09 R)
• M6: 1,147,266 km (0.074 R)
• M7: 1,297,762 km (0.117 R)
• M8: 1,476,980 km (0.039 R)
• M9: 2,055,475 km (0.111 R)
• M10: 2,584,752 km (0.09 R)
• M11: 2,724,177 km (0.078 R)
• M12: 2,967,872 km (0.117 R)
• M13: 4,475,220 km (0.082 R)
• M14: 4,884,221 km (0.088 R)
• M15: 6,554,930 km (0.097 R)
• M16: 8,168,941 km (0.037 R)
• M17: 8,368,654 km (0.081 R)
• M18: 10,201,079 km (0.119 R)
• M19: 14,561,258 km (0.039 R)
• M20: 14,929,120 km (0.085 R)
• M21: 15,914,521 km (0.103 R)
• M22: 20,565,070 km (0.092 R)
• M23: 20,934,876 km (0.089 R)
• M24: 21,878,689 km (0.092 R)
• M25: 24,361,564 km (0.089 R)
• M26: 26,805,994 km (0.084 R)
• M27: 29,878,136 km (0.108 R)
• M28: 31,805,106 km (0.052 R)
• M29: 32,548,458 km (0.113 R)
• M30: 33,557,645 km (0.034 R)
• M31: 34,198,821 km (0.076 R)
• M32: 37,665,453 km (0.027 R)
• M33: 37,941,311 km (0.109 R)
• M34: 40,197,845 km (0.088 R)
• M35: 41,799,889 km (0.112 R)
• M36: 41,947,692 km (0.115 R)
• M37: 44,512,697 km (0.113 R)
• M38: 51,973,143 km (0.11 R)
• M39: 53,176,807 km (0.105 R)
• M40: 56,356,959 km (0.089 R)
• M41: 56,717,938 km (0.037 R)
• M42: 61,935,014 km (0.047 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.7

Radius: 6.6

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 7.81 AU - 9.69 AU

Year: 16457 Days

Day: 17.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,745,581 km

• M1: 83,476 km (0.113 R)
• M2: 354,248 km (0.113 R)
• M3: 596,896 km (0.049 R)
• M4: 1,107,922 km (0.088 R)
• M5: 1,471,744 km (0.085 R)
• M6: 2,017,926 km (0.107 R)
• M7: 2,479,286 km (0.093 R)
• M8: 3,637,472 km (0.096 R)
• M9: 6,716,795 km (0.065 R)
• M10: 7,475,106 km (0.12 R)
• M11: 8,195,869 km (0.117 R)
• M12: 10,747,261 km (0.064 R)
• M13: 11,841,719 km (0.032 R)
• M14: 13,199,768 km (0.045 R)
• M15: 14,317,863 km (0.106 R)
• M16: 14,865,391 km (0.03 R)
• M17: 26,129,811 km (0.114 R)
• M18: 30,051,968 km (0.066 R)
• M19: 30,948,807 km (0.111 R)
• M20: 31,289,591 km (0.091 R)
• M21: 35,453,499 km (0.111 R)
• M22: 37,602,921 km (0.073 R)
• M23: 47,371,662 km (0.089 R)
• M24: 50,601,929 km (0.051 R)
• M25: 52,673,410 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.6

Radius: 5.9

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.31 AU - 10.69 AU

Year: 18617 Days

Day: 16.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,745,581 km

• M1: 77,940 km (0.055 R)
• M2: 318,943 km (0.093 R)
• M3: 502,798 km (0.077 R)
• M4: 1,083,537 km (0.118 R)
• M5: 1,596,209 km (0.097 R)
• M6: 2,091,229 km (0.081 R)
• M7: 2,556,628 km (0.069 R)
• M8: 3,112,533 km (0.088 R)
• M9: 4,739,560 km (0.107 R)
• M10: 8,384,811 km (0.084 R)
• M11: 8,666,504 km (0.089 R)
• M12: 15,503,875 km (0.101 R)
• M13: 21,911,002 km (0.076 R)
• M14: 40,920,553 km (0.113 R)
• M15: 43,105,878 km (0.09 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 11,466 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit