🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.5

Radius: 14.7

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.53 AU - 0.63 AU

Year: 305 Days

Day: 8 Hours

Environment

Temp: -145 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 33,487,698 km

• M1: 183,856 km (0.069 R)
• M2: 1,412,353 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.4

Radius: 12.1

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.51 AU - 0.77 AU

Year: 353 Days

Day: 10 Hours

Environment

Temp: -158 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,487,698 km

• M1: 150,495 km (0.109 R)
• M2: 565,181 km (0.113 R)
• M3: 1,090,718 km (0.106 R)
• M4: 1,523,954 km (0.093 R)
• M5: 2,073,127 km (0.091 R)
• M6: 2,673,164 km (0.116 R)
• M7: 3,363,708 km (0.111 R)
• M8: 3,770,315 km (0.095 R)
• M9: 4,196,519 km (0.098 R)
• M10: 4,640,526 km (0.116 R)
• M11: 5,115,948 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.4

Radius: 12.4

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.6 AU - 0.96 AU

Year: 476 Days

Day: 13.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 80.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,487,698 km

• M1: 174,282 km (0.094 R)
• M2: 565,181 km (0.112 R)
• M3: 1,249,741 km (0.103 R)
• M4: 1,804,450 km (0.111 R)
• M5: 2,520,425 km (0.06 R)
• M6: 3,670,384 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.5

Radius: 9.4

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.31 AU - 4.03 AU

Year: 4853 Days

Day: 6.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,487,698 km

• M1: 116,986 km (0.029 R)
• M2: 415,134 km (0.118 R)
• M3: 788,530 km (0.041 R)
• M4: 1,159,982 km (0.101 R)
• M5: 1,464,114 km (0.039 R)
• M6: 1,822,102 km (0.118 R)
• M7: 2,391,322 km (0.107 R)
• M8: 2,700,990 km (0.088 R)
• M9: 3,342,914 km (0.117 R)
• M10: 5,434,292 km (0.054 R)
• M11: 6,122,143 km (0.09 R)
• M12: 6,963,930 km (0.045 R)
• M13: 7,498,144 km (0.079 R)
• M14: 10,545,603 km (0.059 R)
• M15: 14,870,178 km (0.118 R)
• M16: 15,926,339 km (0.052 R)
• M17: 16,385,604 km (0.12 R)
• M18: 18,752,542 km (0.069 R)
• M19: 19,459,392 km (0.115 R)
• M20: 21,338,640 km (0.109 R)
• M21: 22,179,979 km (0.06 R)
• M22: 23,335,772 km (0.108 R)
• M23: 24,003,427 km (0.103 R)
• M24: 25,221,603 km (0.064 R)
• M25: 25,610,707 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.2

Radius: 8.8

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.91 AU - 4.71 AU

Year: 5133 Days

Day: 9.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 173.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,487,698 km

• M1: 109,506 km (0.11 R)
• M2: 500,704 km (0.111 R)
• M3: 879,336 km (0.077 R)
• M4: 1,211,593 km (0.104 R)
• M5: 3,089,046 km (0.077 R)
• M6: 4,322,630 km (0.083 R)
• M7: 4,985,499 km (0.102 R)
• M8: 5,301,150 km (0.097 R)
• M9: 5,686,215 km (0.093 R)
• M10: 6,268,600 km (0.045 R)
• M11: 8,040,886 km (0.113 R)
• M12: 9,632,906 km (0.12 R)
• M13: 10,375,809 km (0.118 R)
• M14: 11,200,692 km (0.047 R)
• M15: 13,178,675 km (0.105 R)
• M16: 13,529,631 km (0.101 R)
• M17: 23,577,522 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976

Radius: 14.1

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.31 AU - 5.93 AU

Year: 7997 Days

Day: 9.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 33,487,698 km

• M1: 175,927 km (0.113 R)
• M2: 952,041 km (0.072 R)
• M3: 2,501,276 km (0.041 R)
• M4: 3,182,844 km (0.07 R)
• M5: 3,830,453 km (0.092 R)
• M6: 4,393,839 km (0.115 R)
• M7: 5,424,120 km (0.118 R)
• M8: 6,461,880 km (0.108 R)
• M9: 7,424,542 km (0.084 R)
• M10: 8,658,725 km (0.045 R)
• M11: 9,586,680 km (0.056 R)
• M12: 10,025,601 km (0.093 R)
• M13: 10,838,964 km (0.063 R)
• M14: 13,727,998 km (0.109 R)
• M15: 14,539,716 km (0.059 R)
• M16: 15,449,421 km (0.04 R)
• M17: 16,190,529 km (0.118 R)
• M18: 16,744,340 km (0.111 R)
• M19: 17,526,438 km (0.101 R)
• M20: 18,258,570 km (0.115 R)
• M21: 21,063,829 km (0.101 R)
• M22: 21,891,554 km (0.1 R)
• M23: 23,877,765 km (0.093 R)
• M24: 25,236,114 km (0.082 R)
• M25: 27,030,091 km (0.051 R)
• M26: 27,515,985 km (0.113 R)
• M27: 33,587,116 km (0.061 R)
• M28: 34,489,041 km (0.118 R)
• M29: 36,459,395 km (0.119 R)
• M30: 43,746,606 km (0.111 R)
• M31: 45,503,633 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.6

Radius: 12.5

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5 AU - 5.92 AU

Year: 8806 Days

Day: 10.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,487,698 km

• M1: 157,377 km (0.06 R)
• M2: 1,402,480 km (0.092 R)
• M3: 2,864,799 km (0.088 R)
• M4: 4,231,077 km (0.11 R)
• M5: 5,746,204 km (0.062 R)
• M6: 12,994,969 km (0.081 R)
• M7: 14,108,725 km (0.113 R)
• M8: 15,870,389 km (0.094 R)
• M9: 19,577,125 km (0.067 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.9

Radius: 13.5

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.04 AU - 6.02 AU

Year: 8976 Days

Day: 10.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,487,698 km

• M1: 168,447 km (0.091 R)
• M2: 645,964 km (0.07 R)
• M3: 2,549,297 km (0.118 R)
• M4: 3,583,318 km (0.12 R)
• M5: 4,587,867 km (0.108 R)
• M6: 6,113,915 km (0.101 R)
• M7: 7,186,532 km (0.07 R)
• M8: 8,499,403 km (0.092 R)
• M9: 9,966,509 km (0.118 R)
• M10: 13,236,719 km (0.098 R)
• M11: 20,775,255 km (0.102 R)
• M12: 25,442,708 km (0.066 R)
• M13: 30,860,994 km (0.097 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 12,189 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit